1999 Pontiac Grand Prix No compression in the engine

1999 PONTIAC GRAND PRIX
15,000 MILES • 6 CYL • 2WD • AUTOMATIC
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JLHILBERT
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  • 1 POST
My Grand Prix is not getting compression, what might be the cause?
Nov 2, 2009 at 10:43 AM
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MMPRINCE4000
  • ✓ASE Certified Mechanic
  • 8,548 POSTS
  • ASE Certified Mechanic
No compression on any cylinders?

Camshaft is broken, timing chain broke, timing chain lower sprocket has broken woodruff key.

While it could be a broken spring, pushrod, rocker, I can't imagine they would ALL be broken.
Nov 5, 2009 at 6:49 AM
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