Intake Manifold Leak Symptoms








1998 Honda Civic EX standard is leaking fuel from under the left side of the engine just under the spark wires. Exhaust manifold. The coolant needs to be refilled every one or two weeks. Gaskets are subject to extremely high temperatures and pressures. The first thing you'll find is lower intake manifold gasket failure. Leaks in your auto's intake manifold can usually be identified easily by an auto mechanic who will be able to recognize certain warning signs. after the work was completed and i started the car, it turned out that i stiil had that leak. An intake leak will not be limited to just the manifold seals. No other symptoms other than air in system & overheating. The oil leak is internal to the engine so no external oil leakage will be present. If the engine reacts to this in any way -- for instance, by speeding up briefly -- then the fluid is slipping in through the leaks. Re: 2002 cavalier leaking under hood during refuel Sounds like 2 issues if you can press on the manifold and make it stop. However, without a code, it is hard to tell. You're starting to see lots of customers complain about problems and symptoms stemming from a low coolant situation. Apr 28, 2006 · Seems strange that such a clean, obviously low-mileage engine would develop a leak at this one area only. Anyone else have this problem. And exhaust gases are used by the turbo system. Suspect this if the engine overheats at high speed or under a load, but overheating may also be caused by a damaged impeller, clogged raw-water filter, or restricted raw-water intake. An intake leak. The most common cause of a vacuum leak is simply a disconnected hose, so start by looking at every single vacuum line that comes off of your intake manifold. I found the coolant leak in the upper intake manifold, but decided to go all the way down to the head gasket seeing as the 90k mileage suggests it was due. 2, the upper intake plenum seal is about $15-$20 and the bolts do not need to be replaced. Anyone deal with an intake manifold leak on a GM 3800. Engine pistons create vacuum on their downward stroke which allows the air/fuel mixture to be delivered into the combustion chamber. A Vacuum leak around your engines intake manifold can cause a lot of different symptoms to your engine like rough idle or rough acceleration. Any coolant leaks should be addressed as soon as possible to prevent the possibility of serious engine damage occurring due to a bad intake manifold gasket. The re-installation of the intake manifold would be so much easier if that power steering pulley wasn't there (you can still pull it off if you want; most guys don't). so my question is can a bad exhaust manifold leak cause lean codes p0171 and p0174 i have a 98ford expedition 4. I first thought it was the plugs because they had been in the car for several thousand miles. Does anyone here know of the symptoms of an intake manifold gasket leak? The hoe is having the same issues its been having with the tuned pcm, but with the stock computer now. Mar 28, 2019 · Symptoms of a Bad or Failing Exhaust Manifold Gasket Burning Smell Yes, it may come as something of a surprise, but when a valve full of burning hot exhaust gasses starts to fail, you may notice this manifest as a burning smell. Find intake manifold gaskets near me that are low priced and of the highest quality at AutoZone. Second is the lower intake gaskets can start leaking through the seals between the metal of the manifold and the heads. i have never heard a pop or ping with an exhaust leak, altough im not an expert but it sounds like it might be in the engine. When these things happen, the engine uses more fuel than necessary to regain the lost power or to just keep running. A Vacuum leak around your engines intake manifold can cause a lot of different symptoms to your engine like rough idle or rough acceleration. SBC Chevy Fel Pro 1205 Intake Manifold Gasket 327 350 400 Performance (Stock/Small Race Port) 5. If there is a leak the engine will slow and possibly stop when the water gets inside the manifold. this gasket seals between the lower pan and the intake manifold. Below are the top 5 symptoms of an intake manifold gasket leak in your car. Problems include coolant leak, coolant odor, milky colored oil, milky or whitish substance on either the dipstick or oil fill cap. After only a 20 min. Lightly smear the PermaShield™ on both sides of all four composite gaskets. There are a few types of thermal insulation but three are particularly common: Ceramic paint is sprayed or brushed onto the manifold and then cured in an oven. Sep 18, 2016 · I haven't noticed a coolant leak either which I thought was typical with an intake manifold gasket leak. Bad Intake Manifold Gasket Symptoms 1) Coolant Leaking. Intake Manifold Runner Control Circuit Open Bank 1. In time, this intake also leaks at the seam between the aluminum housing and the plastic intake. I have a GMC Yukon XL 5. FREE Shipping. An intake air leak in the manifold will result in poor running conditions, such as an erratic or rough idle, hesitations, or sluggish acceleration. 8l Has anyone done this repair or know if there is a write up for it I looked and am having a hard time finding one 04-11-2016, 04:32 PM #2. 3L GMC Yukon Car Forums Signs of an Intake Manifold leak!!!! 5. P2279 - Intake system air leak detected Cause:- Charge air pressure in manifold leaking through worn swirl flap bearings. When this happens to coolant burns/evaporates with the combustion process and appears as white smoke coming from the tailpipe. Mar 28, 2019 · Symptoms of a Bad or Failing Exhaust Manifold Gasket Burning Smell Yes, it may come as something of a surprise, but when a valve full of burning hot exhaust gasses starts to fail, you may notice this manifest as a burning smell. The fault is for the Intake Manifold Flap Position Sensor which is only available with the whole intake manifold. They will never give a good "seat" to prevent the leak. Right from the start I did not like the black rubber gasket that just laid on the block. Some have speculated that the EGR pipe's proximity to the back of the intake manifold seal contributes to the infamous intake manifold leak. Stick your hand in under the TB and intake manifold. The most common and most deadly air leaks take place at the crank seals, and at the inlet manifold/base gaskets. Coolant Loss from the Lower Intake Manifold Gasket Contributed by Ken Hayes If you can't find your coolant leak, here is another place to check I was experiencing a progressive coolant loss that started about three months ago. Some newer cars have plastic manifolds and they will crack from age. This condition may result in a low engine coolant level and higher engine operating temperatures. Upon looking around my engine bay, I also discovered that my driver side header has a broken/missing bolt. The intake manifold is the platform that directs air/fuel mixture from the carburetor or throttle body fuel injection to the cylinders. com Car Chat > GMC > Yukon > Signs of an Intake Manifold leak!!!! 5. what is this hose for? i think its leaking oil. but please don't rely solely on my theory. After some simple diagnostics, it was time to look at the intake manifold. We offer Hi-Tech automotive Oil Stop-Leaks, Transmission Sealers and Oil Additives for a wide variety of applications. I have no way of telling if my current intake had been fabricated to fit my engine, so my question is, will this cast iron intake fit my engine? I have heard multiple different things about what years of 273 cylinder heads that could fit a 318 through 360 intake manifold. One solution can be tightening all intake bolts with a torque wrench. Check these with your torch/spray. Intake manifold leak on 3. Stick your hand in under the TB and intake manifold. I found the intake manifold was way loose, (especially near #4 cyl) and I tightened it up for the mean time. 1 CAI, Mopar TCM, BT catch can, trubendz cat back. Jul 01, 2010 · If the intake manifold or intake ports on the head are milled at too high a feed rate, it can leave an undulating wavy finish with ridges and valleys that can be difficult to seal. Estimate does not include taxes and fees. I am interested in why this happens and whether it is fixable. Below is a list of. 3L at 61,000 I've read on the web that Dexcool caused gasket problems. oil breather - ducati up north. 0 block with the old inlet gasket still on it. Intake leaks tend to happen for different reasons on different bikes. it would not start, and after transport to a TDI mechanic, was told the missing procedure was bleed of air from the high pressure lines to the injector. I found the intake manifold was way loose, (especially near #4 cyl) and I tightened it up for the mean time. Did you use any sealer on the intake gaskets?. I suspect I have an EFI common rail injector that fails to hold pressure and slowly leaks petrol into the manifold when the engine is shut down (and possibly while running). Thoroughly inspect the mounting surface of the intake all the way around. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. Also spray onto #1 and 2 injectors. This may result in coolant or vacuum leaks, as well as premature failure of the intake manifold gasket sealing beads. Look it up on Yahoo. Did the dealer do any test other than listening? There are two easy ways to confirm a leak: 1) My usual - start the engine and spray water over the intake manifold. If you have one of these cars, check the PCV valve under the intake manifold or at the top of the engine on newer 2. One of the most common symptoms of an issue with intake manifold gaskets is engine performance issues. Exhaust/Intake Manifold Leak - Ford 9N, 2N, 8N Forum - Yesterday's Tractors Jump to forum order in days for posts. 4L PCV Valve Cover/Intake Manifold Issues Video: I made a video to help better explain how this whole PCV system works to supplement this. Below is a list of. 9 chrysler/dodge magnum engines is the lower plenum gasket going bad. Stronger intake manifold bolts (LYG101450, LYG101440) have been. If your MAP isn't hooked up, in all likelihood, the motor runs very poorly and tends to run way rich, if at all, without stalling. 8 V6s all commonly had/have lower intake manifold gasket leaks. To check it, drain the oil and look for signs of contamination by the coolant. A Vacuum leak around your engines intake manifold can cause a lot of different symptoms to your engine like rough idle or rough acceleration. The exhaust manifold tap method provides a more accurate means to measure the water, but requires that a hole be drilled in each manifold. For some reason I wanna say there is some sort of a power valve diaphram on the fire wall side of the intake manifold and it is a pain in the *** to get too. I'm planning on taking care of a pesky leak that seems to come and go at the front passenger side of my intake manifold on my 1999 truck with the 454. The other problem is oil leakage from the intake manifold end rails. It helps to temporarily put in some 4-inch long bolts, with heads cut off, in the four center intake manifold holes in the heads to help line up the manifold when lowering it into position. Leaking intake manifolds can cause anything vacuum related to go haywire. Common problems with intake manifolds include vacuum, coolant or oil leaks, reduced flow due to carbon build-up and issues with the intake tuning valves. But they also commonly have head gasket leaks. Intake manifolds are as critical as Heads when it comes to Tightning and torque. 1995- 2004, 3800 Intake Manifold Coolant Leak Cheap Fix! V6 Engine (VIN K - RPO L36) 3800 Series II w/ Plastic Intake Manifold IF your problem is coolant going directly into the engine, by ANY the indicators below. If you suspect a small vacuum leak causing your p0171 lean code, you can use a smoke machine to smoke check the intake manifold to help find the leak. Thoroughly inspect the mounting surface of the intake all the way around. Right from the start I did not like the black rubber gasket that just laid on the block. : motorcycles. Check that the MAP sensor hose is connected and intact. Guaranteed fix for a common problem on 2000-2002 Saturn S-Series DOHC Intake Manifold Repair Kit, 00-02 Saturn SL2 Water Distribution Pipe, Engine Coolant Water Outlet System -- Intake Manifold Water Outlet Cooling Stem and 1. Rough running even under a light load, lack of power, boost leak from manifold, engine ‘hunting’. Any air leak. after the work was completed and i started the car, it turned out that i stiil had that leak. the gaskets are included in some kits in case you have an intake or heads that have already been milled. Dec 29, 2014 · -Dorman Intake Manifold - the original intake was a little warped but still idled rough The solution I could hear a hissing noise from the passenger side of the motor which i originally thought was the intake manifold gasket again. How could you tell the different symptoms between intake manifold leak and head gasket leak? It idles often suddenly. An engine intake manifold plenum pan gasket oil leak may occur on some V-6 and V-8 style engines. May 18, 2009 · Lets just hear what everyone would list as symptoms of a blown or leaking intake gasket. The intake manifold is the component that provides this oxygen. This failed often enough that VW extended the warranty on this manifold. Exhaust/Intake Manifold Leak - Ford 9N, 2N, 8N Forum - Yesterday's Tractors Jump to forum order in days for posts. download head gasket stop leak free and unlimited. I found the intake manifold was way loose, (especially near #4 cyl) and I tightened it up for the mean time. The plenum is a relatively simple job. If your previous check didn't turn out anything wrong, check the intake gasket between the manifold and cylinder head, and the base gasket located between the intake manifold and throttle body or carburetor. Jan 25, 2006 · I just finished fixing a manifold gasket leak today on a 98 with the same engine. 2003 Chevy Impala, intake manifold gasket leak and alternator issue?? Hey, I know this is going to be one of the dumber questions on here but I don't really care as I have just discovered the problem and haven't bothered to go in to a shop and pay to get a diagnosis when I could maybe figure it out here and just do it myself. Anyone else have this problem. It could be worn throttle shafts, cracked or hard vacuum lines (i. 8 liter V6 engines. Gases from the engine are expelled through the exhaust manifold into the exhaust pipes and out of the vehicle. 9 chrysler/dodge magnum engines is the lower plenum gasket going bad. You should make sure which it is. Whatever the case may be, you'll need to repair the leak to get your vehicle running right. Seemed to be leaking to the outside of the engine, which is probably better. This may result in coolant or vacuum leaks, as well as premature failure of the intake manifold gasket sealing beads. How to Install the Intake Manifold in Your Ford Big-Block Ford Engine Rebuild- Covers In-Depth Ford Big-Block Rebuild Steps Including the Lima Series, FE Series, and Clevelands. In some engines, an intake manifold can corrode or crack causing either vacuum or coolant leaks. P2279 – Intake system air leak detected Cause:- Charge air pressure in manifold leaking through worn swirl flap bearings. After some simple diagnostics, it was time to look at the intake manifold. With any luck, I'll never hear the telltale signs of my engine hissing while idling, but if I do, I'll know it's time for a checkup (and probably time to. May 08, 2015 · An extremely low reading could also indicate an air leak at the intake manifold or throttle body. Dec 15, 2008 · This plastic manifold was used on most 3. improved cylinder head casting for 1997-2012 cummins 15. One of the most common air leaks is around the intake manifold. Firstly, it causes vibration during acceleration and deceleration of the vehicle, and it also makes the drive shaft vibrate. 9L, 4 Cyl, 7, 16 00-02 Authentic Saturn Water Distribution Pipe. possible vacuum leak from intake?? This is a discussion on possible vacuum leak from intake?? within the General Help forums, part of the LSx Technical Help Section category; i bought a bbk intake and put in on my 98 ss when i was doing h/c/i swap. ) So if you are doing any sort work that requires removal of, or easy access to, the intake manifold, it pays to give the EGR section a thorough cleaning. It doesn't appear to be related to ring seal. Also note that this MAY NOT occur with all vehicles. I am pretty sure it is a manifold gasket leak. bad idle air control valve symptoms. When an intake manifold gasket fails from constant expansion and contraction, it can leak coolant into the engine and contaminate the engine oil. Im replacing the intake manifold gaskets, there was a leak. This problem has been a gold mine for GM and the auto repair industry. Re: rough idle and vacuum leak under intake manifold (fetah) 05-01-2010 11:12 PM #15 Very interesting, from digging around under the intake manifold in my wife's car (BEA) it didn't seem to be similar to my AMU but I couldn't tell what was going on in there. · White exhaust steam / smoke · Losing Coolant and engine running poorly, with No visible leaks. Charge Air Cooler - Leak Check NOTE: The long term integrity of the charge air cooler system is the responsibility of the vehicle and component manufacturers; however, the following symptoms can be checked by any Authorized Repair Location:. Leaking oil on the back of the engine from the intake manifold. 8l Has anyone done this repair or know if there is a write up for it I looked and am having a hard time finding one 04-11-2016, 04:32 PM #2. Remove the vacuum actuator rod by pushing it out of the lever using a flat screwdriver. help! - stag owners club forum. He has certifications in automation and control technology. com Car Chat > GMC > Yukon > Signs of an Intake Manifold leak!!!! 5. If the fuel trims, particularly the short term trims, pull fuel, you have found a vacuum leak. May 18, 2009 · Lets just hear what everyone would list as symptoms of a blown or leaking intake gasket. Typically, on a generic across-the-frame metric engine, there is a rubber intake "boot" that moves fuel from the injector unit or carburetor into the cylinder head. If a leak is present, you will hear a hissing sound, though it may be difficult to hear with the engine running. Just open the valve a bit and move the torch around the manifold - especially at the seams etc. Boost leaks can also cause bad gas mileage, lack of power, a whistling sound, a squealing/screaming sound, unstable boost and boost spikes. It also transports coolant to the cylinders. While I used to work on my own vehicles, I don't anymore (I'm 54). Intake manifold leaks aren't extremely common, but they do happen. The radiator cap has yellow residue right under inside. An air leak may not seem very serious but it allows dirt and debris into the engine which can cause issues down the road. Spray carburetor cleaner around the gasket-mating surface of the intake manifold, both upper and lower, if you have a double manifold. The Premium Manifold Seal from CV Performance is guaranteed to provide a snug and leak-free fit. Usually a faulty intake manifold gasket will produce a few symptoms that can alert the driver of a potential issue. Seems to be leaking at the rear cylinder where the manifold connects. If you have a compression problem in a cylinder in an OHV or OHC engine, a leakdown test is a reasonably straightforward way to figure out the fault in that cylinder. 5 Leaky Intake Manifold Gasket Symptoms You Need To Know! #1. but please don't rely solely on my theory. On most vehicles a normal reading is 17 to 21 inches Hg. Mar 04, 2017 · Leaking coolant from a cracked intake manifold gasket is an extremely common problem on most GM vehicles made from the late 90s to the mid-2000s. Your o-ring lips should be welded and dressed (by a skilled pro). There are several ways to identify a faulty U-joint. The leak is pretty loud. Symptoms usually develop just after working on or around the carburetor. The engineers decided not to put a bolt in the top outer corner of the #1 cylinder intake. This vapor is introduced inside the intake manifold and a vacuum leak can be spotted visually by vapor coming out in the area of the leak. If you think you may have one, it's easy to confirm by spraying brake cleaner onto the intake manifold while the engine is idling. By Jason Van Wyhe. Symptoms of an Exhaust Manifold Leak. Air Intake Cracks and Leaks Examples One of the common issues that causes the mass air flow sensor to read incorrectly is an air leak in the intake system. com Car Chat > GMC > Yukon > Signs of an Intake Manifold leak!!!! 5. I've read a little through the old posts but couldn't find an exact answer to a question I have. The manifold is connected to many small pipes, which collect exhaust fumes from the exhaust stroke via the engine's pistons. No smoke, no leaks, no oil in coolant, no coolant in oil, etc. The Delta-P (EGR Differential Pressure Sensor), if it is the original from the factory (painted red), it will have to be replaced. The only way an exhaust leak can cause a rough idle is if the leak was in a place where it could enter the air intake system. About every 3 years the gasket would get sucked into the manifold in that corner and create a small vacuum leak. A mechanic can replace an intake manifold gasket for a few hundred bucks including parts and labor. My case is different because the leaks are internal and HAVE NOT made it to the outside. Did you use any sealer on the intake gaskets?. Oct 03, 2012 · Learn how to diagnose an intake manifold gasket leak on this 1968 Ford Mustang 302 V8. The FNA Tite Seal Kit is it; this kit installs easily, seals better, and eliminates the need to adjust your heads to get the intake to seal. Ford Mustang Intake Manifolds, Plenums & Gaskets A new Intake Manifold for your Ford Mustang will help improve your engine's ability to breathe better, creating more power that you can feel. in two passes. Symptoms usually develop just after working on or around the carburetor. Yeah that was me that suggested that rear evap hose over the axle, but these hoses are separated from the intake by the purge solenoid. The intake manifold takes incoming air from the intake and distributes it to each cylinder. Of course, the lesser the dirt that goes past the intake valve, the better. A regular swing between high and low readings often means a blown head gasket between two, side-by-side cylinders. However it works great for finding an air or a vacuum leak. I will probably just replace the spacers as well as the gaskets but my main question is what prep goes with the gaskets. 8 V6s all commonly had/have lower intake manifold gasket leaks. every 383-400-440 produced used a metal valley pan without gaskets, and we are talking ten of thousands of them. Aug 13, 2008 · For some reason I wanna say there is some sort of a power valve diaphram on the fire wall side of the intake manifold and it is a pain in the *** to get too. Estimate does not include taxes and fees. When there is a small leak in the Hyundai Sonata’s EVAP system, it will throw the P0456 OBDII Code. It may exhibit signs of both running rich and lean at the same time. It does not bode well for the engine if this part is damaged or defective. The symptoms will be more than obvious when this leak is occurring. No smoke, no leaks, no oil in coolant, no coolant in oil, etc. how to increase horsepower on a detroit diesel series. Not sure if that could be the problem instead, or if that is another problem along with the intake manifold gasket. Smoke and fluttery/uneven idle when starting up, "misfire" or engine rocking. I have a question for you guys and the technical division I have a 2003, 100 year anniversary Heritage Softail classic EFI and she sputters a little when I am driving at low speeds it happens usually from 5 to 15 MPH at 2nd gear I change the air filter, spark plugs, and use 93 or better gasoline I am suspecting the fuel. There is a TSB, #04-06-01-017 issued 5/26/04 which discusses new upper intake manifold service kits. I am pretty sure it is a manifold gasket leak. A 'blown' exhaust gasket can be detected by excessive noise from the exhaust, and by white burn marks around the manifold flange. If you think you may have one, it's easy to confirm by spraying brake cleaner onto the intake manifold while the engine is idling. One of the most common problems on the GM Vortec ‘Spider’ 4. When coolant leaks, air enters the system to fill the void. then you could some how block all intake ports on the bottom of the intake manifold and still use the vacuum test on the plexiglass on the top of the carb pad to test the intake manifold by itself for an hard to find leak. With this method, however, it is difficult to accurately determine the amount of water in the manifolds. If there is a large leak, it’ll throw P0455. Brake/carb cleaner is a good way to find them. The average cost for an intake manifold gasket replacement is between $427 and $558. If oil is leaking out, then air is also leaking in, since the PCV valve puts the interior of the engine under a vacuum. Over time, the O-ring loses its elasticity and starts to harden. It turned out to be from the EGR Valve. this is the second motor I swapped and have had that problem on the first motor I immediately got a new OEM intake mani gasket and CHANGED it. then upon start up the start will turn the motor over compressing. Coolant and air can leak through these cracks, heating up and suffocating your engine!. An unusual sound in the engine is another symptom of an exhaust manifold leak. Just cleaned or replaced the throttle body and now you've got one or more of these symptoms? - Fluctuating idle - MIL on with DTC P2279 (intake air system leak) - MIL on with P0507 (idle control system RPM higher than expected) What's probably happened is the throttle plate is now in a different position from the one the ECM/PCM had learned. The white smoke is the water vapor in the oil, it will come out the valve covers no matter where the leak is. Intake manifolds fail by leaking, due to either cracking or warping. & bolt sequence from the Forum's Tips & Tricks (10 each 5/16" bolts torqued to 105 in. Engine heat causes the lower part of the gasket to dry, shrink and crack, allowing a vacuum leak. Engine does not perform as well. Any coolant leaks should be addressed as soon as possible to prevent the possibility of serious engine damage occurring due to a bad intake manifold gasket. If you pull your intake tube off, open the throttle body blade, and look inside with a flashlight, you'll see the inside of the intake coated with oil. i guess it has to go to headhog for repair. A faulty exhaust manifold gasket will produce an exhaust leak that will sound like a hissing or tapping sound coming from the engine. You may see puddles underneath your car or notice smoke or steam coming off of the engine and exhaust from the coolant dripping onto it and then burning. Typically, on a generic across-the-frame metric engine, there is a rubber intake “boot” that moves fuel from the injector unit or carburetor into the cylinder head. If it is a vacuum leak in the intake, you can sometimes pinpoint it by waving the nozzle of a propane torch (don't light it!!) around the intake manifold. Blown Intake Gasket Symptoms. Runs great besides the miss from said leak. All O-rings are replaced with new with. 1 day ago · check for leaks at oil lines, connections, mating joints, seals, and gaskets. The most common cause of a vacuum leak is simply a disconnected hose, so start by looking at every single vacuum line that comes off of your intake manifold. Most experts agree that the problem stems from GM’s “DexCool” coolant, which reacts with the intake manifold gasket, causing it to leak coolant. I have built 20 or 30 big blocks and never used anything but a valley pan and never had sealing issues with a cast iron or aluminum intake. Re: R&R for 360 FE Intake Manifold. You should make sure which it is. You might want to try putting some gasket maker on there to help seal it up, otherwise I think your looking at replacing or resurfacing the head or manifold. Pay particular attention to the intake manifold hose body, in addition to the clamp sealing area. Often, to find the source of a vacuum leak in the intake manifold, mechanics use a device called a smoke machine. Apr 27, 2016 · A cracked plastic intake manifold can be fixed a couple of ways. Noticing puddles, leaks or smells could indicate the coolant leaking caused by a bad manifold gasket. Carb cleaner will only show up the leaks on the outside of the motor. Disconnect each hose one at a time and then cover the corresponding nozzle with your finger. Engine does not perform as well. A regular swing between high and low readings often means a blown head gasket between two, side-by-side cylinders. this gasket seals between the lower pan and the intake manifold. ohio - the brake cleaner is used to test for an intake leak. With the engine running (AND acting up) you simply squirt water along. You wil see some "Black" sticky stuff in it, but its normal. Dec 29, 2014 · -Dorman Intake Manifold - the original intake was a little warped but still idled rough The solution I could hear a hissing noise from the passenger side of the motor which i originally thought was the intake manifold gasket again. Common Boost Leak Areas. Titan® Head Gasket Sealers are rated #1 by auto mechanics. Anyone else have this problem. I think it was around $250. Signs of an Intake Manifold leak!!!! 5. if you are not. hose), loose mounts and many others. This problem has been a gold mine for GM and the auto repair industry. How many of you guys had to replace the intake manifold gasket on your S-10's due to it leaking? I had to do mine on my S-10, 4. Rapid Vibration at Idle. Opened her up and found a pool of oil bathing MAP sensor like you say. With any luck, I'll never hear the telltale signs of my engine hissing while idling, but if I do, I'll know it's time for a checkup (and probably time to. A blown intake gasket can cause havoc in an otherwise healthy car engine, but the symptoms can be difficult to detect. Right from the start I did not like the black rubber gasket that just laid on the block. Leaks in your auto's intake manifold can usually be identified easily by an auto mechanic who will be able to recognize certain warning signs. Mar 28, 2019 · If it presents with one of the other symptoms, then definitely check out your manifold intake gasket. Jan 08, 2013 · The BMW M60 and M62 V8 engines do have a common issue with vacuum leakage at the throttle body mounting plate to intake manifold junction. AmericanMuscle has Intake Manifolds available from such brand name manufactures as Ford Racing and BBK. Check and make sure the sensor has power, ground and it’s reference voltage (usually 5 or 1 volts). Often times, the coolant will have debris and dirt inside of it which will create even more problems. The aluminum heads have high quality Viton rubber valve guide seals so you know that's not the issue. The re-installation of the intake manifold would be so much easier if that power steering pulley wasn't there (you can still pull it off if you want; most guys don't). i guess it has to go to headhog for repair. On a cold startup, after the RPM's settle, the engine sounds like it has a cam in it. 020, Eagle intake manifold, 6. For example, consider looking at the manifold from an end view, from the front or rear of the car. Follow Bob’s instructions to address your intake leak. Noteafter purchasing the vehicle, I did replace an old carb and retorqued the intake manifold to spec in proper sequence. what symptoms are you having? and of course there is no such thing as a coolant issue with the intake manifold on a 5. Notice: Undefined index: HTTP_REFERER in C:\xampp\htdocs\81eurq\ojiah. But it has an annoying oil control problem. it's just based on my experience, which showed very similar symptoms though. Throttle Body: Another often overlooked place for a vacuum leak is the throttle body. 9 chrysler/dodge magnum engines is the lower plenum gasket going bad. Did you use any sealer on the intake gaskets?. I have to say, reading your post is depressing as I have this sinking feeling that this is not the last time I will have to replace the intake manifold. I siliconed it in place but when I tightened the manifold it "squeezed" out. The 351C intake manifolds (especially the 4v) are difficult to install without being tilted a little, and will pull oil and air from the valley. In some cars, there are intake manifold gaskets which also serve as a seal for the coolant of the engine. Pay particular attention to the intake manifold hose body, in addition to the clamp sealing area. Other intake manifold leak symptoms include a lowering of the water level in the top tank. The manifold if leaking can reportedly injure the engine. It doesn't leak and doesn't smoke, yet it consumes a quart in 600 miles. Over time, the environment of the engine compartment can degrade the seal that sits in between the throttle body and the intake manifold. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Check that the MAP sensor hose is connected and intact. Following the published diagnostic procedures will improve diagnostic accuracy and support our fix it right the first time approach. The gasket is an Intake Manifold gasjet. This vacuum leak could cause a poor running condition or lean fault codes. 67 Trending price is based on prices over last 90 days. Chevrolet Silverado 2007-2013: How to Find Vacuum Leak. Are you doing just the upper intake plenum, or both the upper and lower manifold? On a 4.