When starting up, there is an engine shudder

Tiny
GUSTON
  • MEMBER
  • 2006 VOLKSWAGEN JETTA
  • 145,000 MILES
I drive a 2006, 1.9 TDi Volkswagen Jetta. I have replaced two side engine mountings. No difference. What Starting up, there is a shudder of unknown origin.
Saturday, February 4th, 2012 AT 3:55 PM

2 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,569 POSTS
Is the engine missing, or does it feel like a bad motor mount?
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Saturday, February 4th, 2012 AT 5:36 PM
Tiny
F4I_GUY
  • MECHANIC
  • 3,302 POSTS
You most likely have one of two issues. Balance shafts on pumpe duese engines like to fail. Also, the camshaft and lifters wear out and cause lack of power, smoking, shuddering.

If one of these components are only slightly worn out, it typically won't throw a fault, but it's still a good idea to scan the engine.

Also, one-way pullies on the alternator can also cause a vibration/noise that will be constantly present regardless if the vehicle is warm or cold.
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Saturday, March 24th, 2012 AT 9:38 PM

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