2000 Chevy Impala valve noise

2000 CHEVROLET IMPALA
121,690 MILES • 6 CYL • FWD • AUTOMATIC
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MONTEGUY1978
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  • 1 POST
My Impala sounded great when i bought it but it had to have a lower intake gasket replaced since then it has a bad rattle in the rear valve train that quiets when it warms up is that something that could have been caused bu the mechanic that did the repair not tighting something down right of the typical Chevy Piston Slap noise
Apr 16, 2010 at 9:26 PM
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PEAR69
  • CAR REPAIR CONTRIBUTOR
  • 1,482 POSTS
It sounds like the rocker arms need to be re-torqued. They should torqued at 14 ft lbs.
Apr 26, 2010 at 8:48 PM
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