2003 Chevy Impala engine knock

2003 CHEVROLET IMPALA
105,000 MILES • 6 CYL • FWD • AUTOMATIC
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VLOCO8
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  • 1 POST
hi my impala has just recently started a knock sound that is coming from the top of my engine. i suspect from cylinders one or 3. the engine knocks non stop the knock speeds up as i accelerate so the higher rpm the faster the knock.
Feb 24, 2009 at 3:27 PM
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BMRFIXIT
  • ✓ASE Certified Mechanic
  • 19,053 POSTS
  • ASE Certified Mechanic
Check for a weak spring or collapsed lifter
Feb 25, 2009 at 5:43 AM
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