Question about 2005 Pontiac Sunfire
Posted by Anonymous on
Could be an engine mount that's failed? or is this a knock while you drive. If so check CV joint/s.
Posted on Apr 10, 2015
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Posted on Jan 02, 2017
Same problem. I had the driver window go first and then the passenger. You must replace the motors. Moisture has gotten into the motor and rusted parts of it. New motor cost be $55. It took two people (myself and a friend) a good 8 hours to extract old motor and install the new one.
Posted on Jul 25, 2011
It's a common problem with these cars i am actually fixing mine as of now. That car is all about oil pressure and when it is low you'll start to get a tap and or what sounds like a knock due to the lifters not having enough pressure. Try taking your oil pan off and check your oil pick up line going from the oil pan to the turbo. A lot of times it gets a lot of sludge build up and makes the pressure little to none. If that looks clear check the slump inside the oil pan and see if that has sludge build up. Well hope this helped
Posted on Jul 23, 2011
SOURCE: pontiac sunfire valve noise
If it's a ticking noise that speeds up with the speed of the engine, it's a worn valve lifter.
You can try tightening it down by taking the valve cover off and tightening the bolt on the rocker arm, but don't tighten it too much, you will end up with other problems.
Posted on Jul 11, 2009
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