2008 Volkswagen Jetta with 299393 miles

2008 VOLKSWAGEN JETTA
299,393 MILES • 2.5L • 5 CYL • FWD • AUTOMATIC
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MIRA1
  • MEMBER
  • 1 POST
At stop light sounds like rocks in engine or transmission
Mar 24, 2014 at 4:18 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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HOMER1967
  • CAR REPAIR CONTRIBUTOR
  • 875 POSTS
I would suspect that you have a bad catalytic converter,when the catalyst inside breaks into pieces,the rattle like a can of rocks,and the pieces are often times in this business refered to a bricks. if you can safely raise and support the vehicle try tapping on the catalytic converter with a rubber mallet and see if you can duplicate the noise that you are hearing.
Mar 24, 2014 at 6:34 PM
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EXOVCDS
  • CAR REPAIR CONTRIBUTOR
  • 1,883 POSTS
Time to replace the drive plate / flywheel... it has spring dampers that wear / get loose.

Thomas
Mar 25, 2014 at 7:57 PM
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HOMER1967
  • CAR REPAIR CONTRIBUTOR
  • 875 POSTS
I would suspect a bad cat converter with broken internal bricks.
Nov 16, 2014 at 8:51 PM