Valve Cover Gasket Replacement at your home or office

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$99.47 - $1,020.63

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Average rating from customers who
received a Valve Cover Gasket Replacement.
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How much does Valve Cover Gasket Replacement cost?

It depends on the type of car you drive and the auto repair shop you go to. Our mechanics are mobile, which means they don't have the overhead that repair shops have. They provide you convenience by coming to your home or office.

Cars Estimate Parts Cost Labor Cost Savings Average Dealer Price
2009 Pontiac G6 $328 $159.67 $167.97 14% $385.42
2007 Honda S2000 $146 $66.31 $79.99 15% $173.81
2013 Hyundai Santa Fe $162 $81.60 $79.99 14% $189.10
2007 Mercedes-Benz C230 $935 $70.63 $863.89 24% $1231.63
2016 BMW 535i xDrive $632 $95.67 $535.93 22% $815.92
2009 Ford Mustang $365 $124.57 $239.97 18% $447.07

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Valve Cover Gasket Replacement Service

What is a valve cover gasket and how does it work?

Each cylinder head on your car’s engine has an aluminum or plastic valve cover bolted to it. Between this valve cover and the cylinder head, there is a gasket that keeps engine oil from leaking out. The valve cover bolts keep the gasket compressed, thus preventing leaks. Over time the gasket becomes brittle from the engine’s heat or the bolts loosen, creating an engine oil leak.

When to consider replacing a valve cover gasket?

Look for these signs of oil leakage at the valve cover gasket:

  • Oil seepage or dripping. Should the joint between the valve cover and the cylinder head fail, oil often becomes visible on the valve cover or cylinder heads. Usually, the oil will attract and hold dirt.
  • Oil accumulating inside the spark plug well. The spark plug tube seals are part of the valve cover sealing system. If the tube seals are leaking, you will see oil on the spark plugs or wires. The valve cover gasket and tube seals are all replaced at one time if either fails.
  • Oil leakage at the rubber grommets. The bolts holding the valve cover to the cylinder head sometimes have rubber grommet seals under the bolt heads. If these seals are leaking, you will see oil seepage around the bolt heads.

How do mechanics replace a valve cover gasket?

  • Remove engine cover. Some engines have plastic covers over the entire top. The plastic engine cover is removed to access the valve cover(s).
  • Remove components. On 4 cylinder engines, the valve cover is usually readily accessed once any electrical components and emission control tubing are removed, plus any accelerator linkages that might be in the way. On 6 or 8 cylinder engines, depending on which valve cover gasket is leaking, removal of the air intake plenum might be required, as well as additional steps.
  • Remove valve cover. Once the valve cover(s) is accessed, the cover retaining bolts are removed and the cover pulled off. The valve cover sealing surface is checked with a straight edge to be sure the cover is flat and thus reusable.
  • Install new gasket. The new valve cover gasket is applied along with new rubber grommets under the retaining bolt heads. If there are spark plug tube seals, these are replaced as well. In some applications, oil resistant RTV (room temperature vulcanization) sealant must be applied to specific segments of the sealing surface, along with the new gasket, to ensure a complete and effective seal. The cover is bolted back on, using a calibrated inch pound torque wrench, and all other components are restored to their original position.
  • Check for leaks. Finally, the car engine is run and a visual check is made for oil leaks.

Is it safe to drive with a valve cover gasket problem?

Yes, as long as the amount of oil leaking is small, and there is no leak onto hot engine parts such as the exhaust manifold, it is safe to drive your car until you have an opportunity to fix it.

If you notice oil leaking on to the ground beneath your car after it is parked, you do not have a small leak, and it needs to be found and repaired as soon as possible. Any leak, of course, means your oil level is dropping as you drive the car. If you have a leak, be sure to check your oil more frequently than usual so you do not run low on oil and damage the engine.

When replacing a valve cover gasket keep in mind:

  • The mechanical components of a car engine will typically outlive the gaskets used to seal the engine. However, many of these gaskets, including the valve cover gaskets, are relatively easy to replace.
  • Never add stop leak type products to engine oil or other vehicle fluids. Not only are these materials not approved or specified by the original equipment manufacturers, but they also can create additional problems that may be costly to repair.
  • Often, if a car is old enough to have a valve cover oil leak, there will be oil leaks elsewhere on the engine, so you should request a complete leak inspection. It may be more cost effective to repair multiple leaks during one service call.
  • Often, the PCV (Positive Crankcase Ventilation) valve is inserted into a rubber grommet in one of the valve covers. An old rubber grommet is a potential leak source, as well as connections to the PCV valve. These components should be inspected and considered for replacement while there is access to the valve cover.

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Recent Valve Cover Gasket Replacement reviews

Excellent Rating


YourMechanic Valve Cover Gasket Replacement Service

Average Rating

4.9/5

Number of Reviews

2,310

Rating Summary
2,181
67
13
7
42
2,181
67
13
7
42

Lee

18 years of experience
113 reviews
Lee
18 years of experience
Kia Optima - Valve Cover Gasket - Richmond, Virginia
Lee arrived prepared and ready for his tasks after a little brief history on my car and went straight to work. It was getting late and would have been dark soon, which worried me a little however Lee still managed to get my 3.5hr labor done. Highly recommend. He knows his work and has wonderful customer service skills. That's very important to me when you can communicate effectively getting things done. Awesome! Plan to use again this week.
Toyota Camry - Valve Cover Gasket - Mechanicsville, Virginia
What can I say? Lee was awesome. Showed up early, walked me through the repair, and by then end we were cutting up like old friends! Will have him back for sure.

Robert

30 years of experience
583 reviews
Robert
30 years of experience
Pontiac Montana - Valve Cover Gasket - San Leandro, California
He was very professional and very tentative to his work. He was very thorough with the detail of his work to make sure he didn’t miss anything. He was very efficient time wise as well. He went above and beyond to make sure my van was working properly before he left.
Toyota Sequoia - Valve Cover Gasket - San Jose, California
Robert did an outstanding job. Knows what he's doing, very professional, noticed additional problems that I hadn't even shared, and he was early, efficient, and thorough. I would highly recommend him!

Joel

20 years of experience
780 reviews
Joel
20 years of experience
Mitsubishi Galant - Valve Cover Gasket - Jacksonville, Florida
Joel was great! He was friendly and patient explaining everything and did great work quickly. I would definitely recommend!
Chevrolet S10 - Valve Cover Gasket - Jacksonville, Florida
Joel took care of the repairs under the time quoted. He did an excellent job. He's very careful and clean and kind. Also very pleasant. I only want him from now on to do my mechanical work. Thank you so much Joel

Matthew

32 years of experience
734 reviews
Matthew
32 years of experience
Kia Rio - Valve Cover Gasket - Norfolk, Virginia
Matthew is great, he is always on time. Gets the job done in time stated. I referred him to a friend and he is still talking how good his car is doing. I am glad Matthew is a mobile mechanic.
Ford Mustang - Valve Cover Gasket - Norfolk, Virginia
It was a lot better than I expected everything went great I really appreciate my mechanic Matthew he is the best he came highly recommended and did not disappoint

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