Symptoms of a Bad or Failing Exhaust Manifold Gasket

Our certified mechanics come to you · 12-month, 12,000-mile warranty

GET A QUOTE Get a fair and transparent estimate upfront
Red-stars EXCELLENT RATING ON

Cost of Replacing a Bad or Failing Exhaust Manifold Gasket

If the engine is noisy, causing performance issues, or smells burnt, you may need to replace the exhaust manifold gasket. Our certified technicians can come to you and diagnose the problem. You will receive a $30 credit towards any follow-up repairs that result from the diagnostic. Following are example prices for Exhaust Manifold Gasket Replacement. Click on the button below to get an upfront quote for your car.

Cars Estimate Parts Cost Labor Cost Savings Average Dealer Price
2003 Toyota Tacoma $120 $36.11 $84.00 27% $165.11
2007 Honda S2000 $104 $13.36 $91.00 31% $153.11
2008 Ford Ranger $186 $31.88 $154.00 30% $268.38
2012 Mercedes-Benz ML350 $367 $38.06 $329.00 32% $543.31
2010 Mercedes-Benz CLS550 $368 $67.25 $301.00 30% $529.50
2003 Porsche 911 $128 $36.64 $91.00 27% $176.39
GET A QUOTE FOR YOUR CAR Get a fair and transparent estimate upfront

How to Diagnose a Bad or Failing Exhaust Manifold Gasket?

mainfold gasket

Engine exhaust manifolds are the metal components that are responsible for collecting exhaust gases and transporting them to the exhaust for expulsion from the tailpipe. They are bolted to the engine cylinder head(s) and are sealed using a gasket known as the exhaust manifold gasket.

The exhaust manifold gasket is usually a multi-layered gasket that contains metal and other materials that are designed to provide the best seal possible. As the exhaust manifold gasket is the first in the exhaust system, it is a very important seal that should be inspected if any problems arise. When it fails or has any issues, it can cause all sorts of problems for the vehicle. Usually a bad or failing exhaust manifold gasket will produce a few symptoms that can alert the driver of a potential issue.

1. Excessively noisy engine

One of the first symptoms of a problem with an exhaust manifold gasket is an excessively noisy engine. A faulty exhaust manifold gasket will produce an exhaust leak that will sound like a hissing or tapping sound coming from the engine. The sound may be especially pronounced during a cold start or during acceleration.

2. Decrease in power, acceleration, and fuel efficiency

Engine performance issues are another common symptom of a problem with an exhaust manifold gasket. If the exhaust manifold gasket fails, the exhaust leak can result in engine performance issues such as a decrease in power, acceleration, and even fuel efficiency. The performance decrease may be minor at first, but will worsen over time if not addressed.

3. Burning smell coming from the engine bay

Another symptom of a potential problem with the exhaust manifold gasket is a burning smell from the engine bay. If the gasket fails and leaks near any plastic components, or engine wiring, the heat from the exhaust gases may cause the components to burn up. This may result in a burning smell coming from the engine bay as a result of the components being exposed to such high heat. The smell may sometimes be accompanied by faint smoke. Any sort of burning smells should be checked out as soon as possible to make sure that they are not a potential safety hazard.

Exhaust manifold gaskets are one of the most important gaskets of an engine, as they are the main gasket that seals and pressurizes the entire exhaust system. When the exhaust manifold gasket, or gaskets fail or have an issue, it can cause problems with the performance and drivability of the vehicle. If you suspect that you may be having an issue with your exhaust manifold gaskets, have the vehicle inspected by a professional technician, such as one from YourMechanic, to determine if your vehicle needs an exhaust manifold gasket replacement.

engines
gaskets

Fast and easy Exhaust Manifold Gasket Replacement service at your home or office.

GET A QUOTE FOR YOUR CAR
Get a fair and transparent estimate upfront

Recent Exhaust Manifold Gasket Replacement reviews

Excellent Rating


YourMechanic Exhaust Manifold Gasket Replacement Service

Average Rating

4.5/5

Number of Reviews

51

Rating Summary
42
5
1
0
3
42
5
1
0
3

Gregory

28 years of experience
141 reviews
Gregory
28 years of experience
Very nice to deal with and knows his stuff
2009 DODGE RAM 1500 - EXHAUST MANIFOLD GASKET - LITTLETON, COLORADO

Peter

40 years of experience
1059 reviews
Peter
40 years of experience
Pete now's his stuff great guy I will never touch my truck again It's not worth It prices are very fair used pete twice both times perfect experience thanks again pete of my mechanic
2002 FORD F-250 SUPER DUTY - EXHAUST MANIFOLD GASKET - SURPRISE, ARIZONA

Duane

22 years of experience
323 reviews
Duane
22 years of experience
replaced exhaust manifold, showed up early and I thought he did a good job.
2004 BMW 530I - EXHAUST MANIFOLD GASKET - CHULA VISTA, CALIFORNIA

Richard

18 years of experience
451 reviews
Richard
18 years of experience
Richard was professional, informative and impressive I have found my new mechanic
2003 PONTIAC GRAND AM - EXHAUST MANIFOLD GASKET - POWDER SPRINGS, GEORGIA

More related articles

How Long Does a Throttle Return Spring Last?
Not all vehicles on the road feature an electronic throttle control (ETC), which is also called drive-by-wire. For vehicles that don't offer this system, they have a throttle cable instead that...
Symptoms of a Bad or Failing Flexible Clutch Hose
Common signs include difficulty shifting, low clutch fluid, and feeling no resistance at the clutch pedal.
How to Find the Keyless Code on a Ford Explorer or Mercury Mountaineer
Many Ford Explorers and Mercury Mountaineers were manufactured with an option known as the Ford keyless entry keypad. Some models refer to it as SecuriCode as well. It...

Related questions

Q: My car starts then stallsafter a few seconds and won't start again

Hello. The steps you have taken at this point are all appropriate, and help to eliminate a lot of the electrical components that can cause stalling. You may be looking at a mechanical issue instead of an electrical one. You...

Q: Q: Coolant leak.

Hi, some of these engine cylinder heads were manufactured with a machining flaw that will leak coolant on the right side of the cylinder head. A coolant pressure test of the head will need to be done to verify the...

Q: Truck won't start after battery replacement

Hello there, thank you for asking about your 1995 Isuzu Pickup. You said you hear it trying to start, which means to me that it is cranking but not starting. If the engine cranks normally but doesn't start, the cause...

How can we help?

Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST.

1-800-701-6230 · hi@yourmechanic.com