Symptoms of a Bad or Failing Camshaft Seal

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Cost of Replacing a Bad or Failing Camshaft Seal

Visible signs of oil leakage and smoke coming from the engine bay can point to a failing camshaft seal. 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 Camshaft Seal Replacement. Click on the button below to get an upfront quote for your car.

Cars Estimate Parts Cost Labor Cost Savings Average Dealer Price
2008 Chrysler Town & Country $565 $299.34 $266.00 20% $707.84
2003 Jeep Grand Cherokee $176 $36.27 $140.00 29% $251.27
2008 Hyundai Azera $223 $20.34 $203.00 32% $332.09
2010 Lincoln MKZ $134 $21.87 $112.00 30% $193.87
2008 Audi A6 $205 $16.02 $189.00 33% $306.27
2003 Porsche 911 $479 $24.03 $455.00 33% $722.78
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How to Diagnose a Bad or Failing Camshaft Seal?

Camshaft Seal

The camshaft seal is a round oil seal located in the cylinder head. It is responsible for sealing the end of the engine’s camshaft or camshafts between the top of the cylinder head and the valve cover gasket. Camshaft seals are usually made of durable rubber materials that allow them to have a long service life. However, over time, these seals can wear out and begin to leak oil. Any sort of engine oil leak is bad for the engine, as the oil is what protects the metal internal components of the engine from friction. Usually, a bad or failing camshaft seal will produce a few symptoms that can notify the driver that a problem has occurred and needs to be serviced.

Visible signs of oil leakage

The most obvious symptom of a problem with the camshaft seal is visible signs of oil leakage. Camshaft seals are usually located on the top of the cylinder head towards the rear of the engine and near the firewall. When they begin to leak, there will usually be traces of oil on the rear of the engine right below the valve cover, which can sometimes flow to the edges or corners of the engine.

Smoke from the engine bay

Another common symptom of a bad camshaft seal is smoke coming from the engine bay. If the oil leaking from a camshaft seal finds its way to a hot exhaust manifold or pipe, it will burn up on contact and produce smoke or produce the odor of smoke. The amount of smoke and intensity of the odor will depend on the severity of the oil leak. Small leaks may produce faint streaks of smoke, while large leaks may produce obvious trails.

A defective camshaft seal may not have an immediate or direct effect on engine performance, however, it can have an effect on reliability - as any oil leak is a compromise to the engine’s lubrication. If your vehicle displays any of the symptoms above, or if you suspect that your camshaft seal may be leaking, have the vehicle inspected by a professional technician, such as one from YourMechanic, to determine if your car needs a camshaft seal replacement.

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YourMechanic Camshaft Seal Replacement Service

Average Rating

4.8/5

Number of Reviews

31

Rating Summary
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Patrick

30 years of experience
865 reviews
Patrick
30 years of experience
Patrick called me an hour before the appointment and asked if he could show up early and when he did, he was ready to get to work. Very professional and efficient. Overall, YourMechanic exceeded my expectations!
1999 TOYOTA 4RUNNER - CAMSHAFT SEAL - AUSTIN, TEXAS

Gary

32 years of experience
91 reviews
Gary
32 years of experience
Gary was Awesome! He was very professional and super informative of the repair work he was doing. When he got there I explained to him that I had a major oil leak where oil would leak out immediately as it poured in. Before starting job he looked over the engine to make sure the cam shaft seal was actually the cause of the problem which was very reassuring to me. After he started job he noticed that the shaft balance seal was actually the problem so he replaced both seals in a timely manner and even took care to test drive and thoroughly clean up area. I would reuse him in a heartbeat!
1998 ACURA CL - CAMSHAFT SEAL - MARIETTA, GEORGIA

Maxwell

15 years of experience
389 reviews
Maxwell
15 years of experience
Thanks!
2007 MERCEDES-BENZ E350 - CAMSHAFT SEAL - CYPRESS, TEXAS

Jonathan

19 years of experience
304 reviews
Jonathan
19 years of experience
He did not give up until the leak stopped. It took two days.
1999 SUBARU LEGACY - CAMSHAFT SEAL - DENVER, COLORADO

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