timing cover leak
Sophia Aguilar
Updated on June 17, 2026
A bad timing cover can cause problems for your engine, primarily because it can allow oil to leak out, and dirt and debris to enter. If a leak from your timing cover gets bad or is neglected, it may lead to a variety of issues, including serious engine damage.
How much does it cost to fix a timing cover?
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The average cost for engine front cover replacement is between $1,710 and $1,963. Labor costs are estimated between $959 and $1,210 while parts are priced between $751 and $753. This range does not include taxes and fees, and does not factor in your specific vehicle or unique location.
What causes a timing cover to leak?
Over time and due to exposure to heat, dirt, road grime, and more, the gasket can often become cracked or wear out. This will reduce the tightness of the timing cover and may result in oil escaping the engine and leaking onto the ground.
Can you drive with a leaking timing cover?
Since the timing cover is just a cover, there isn’t any pressurized oil behind it so leaks are often relatively slow meaning if you absolutely need to, you can keep driving with this leak as long as you keep an eye on your oil level.
How long does it take to replace a timing cover gasket?
If your car does not have an overhead camshaft, or has a camshaft driven by a timing belt, this job can be completed in a day or less. If your car has an overhead camshaft driven by a chain, this job will probably take you more than one day to complete.
Do you need to replace timing cover?
Signs that indicate your timing cover needs to be replaced include: A grating sound coming from the engine when the vehicle is running. The engine oil is leaking from the vehicle. Missing timing marks that show up as a decrease in power as you drive up steep inclines.
What do you seal a timing cover with?
Install the timing cover with a light coat of silicone around the water pump holes only, on both sides of the gasket. Everywhere else needs to be dry, unless you want to use an adhesive like 3M yellow weatherstrip just to hold it in place everywhere else. The silicone in those two spots is usually enough.
Do you need to replace timing cover gasket?
Working gasket checkups are part of routine maintenance, so make sure you don’t skip out on yours – a broken missing timing cover can leave your engine open to severe damage.
Can a timing belt cover leak oil?
Oil Leaking from the Front of the Motor– Oil leaking from the timing belt cover will usually occur in the event of a break or as it wears down. The cover is usually secured by nuts and bolts but over time these can become loose.