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Bad valves, CAM Chain tensioner?

Tiny
IBAUER18
  • MEMBER
  • 2006 CHEVROLET COBALT
  • 59,000 MILES
This model is supercharged with a 2.0L. Oil lid smells like gas, also hear a ticking noise around the cam.
Friday, December 2nd, 2011 AT 11:27 PM

5 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,896 POSTS
It will need taken apart to be properly checked. It could be the cam, lifters. As far as the fuel smell, it sounds like the engine is running rich on fuel. With only 59K, it is hard to believe the rings are worn.
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Friday, December 2nd, 2011 AT 11:29 PM
Tiny
IBAUER18
  • MEMBER
  • 4 POSTS
The man at O'Reillys said it sounds like the cam chain is loose and is rubbing.
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Friday, December 2nd, 2011 AT 11:46 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,896 POSTS
A timing chain can make noise, but not a ticking. Also, with a timing chain, they usually last a lot longer than 50K miles.
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Saturday, December 3rd, 2011 AT 5:53 AM
Tiny
IBAUER18
  • MEMBER
  • 4 POSTS
I use premium gas all the time should I change?
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Saturday, December 3rd, 2011 AT 7:17 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,896 POSTS
That shouldn't hurt anything. Actually, it is better for the car.
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Sunday, December 4th, 2011 AT 4:04 AM

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