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When i first start my truck up in the morning the engin ...


Sent to Car Experts September 05, 2006 9:35 a.m.
When i first start my truck up in the morning the engin knocks ! after 5 or 10 mins ,the knocking goes away.

Optional Information:
2000 Cadillac ESCALADE 8
Customer (name blocked for privacy)
Status: Closed   Value: $8   
Answer
September 05, 2006 10:19 a.m. (44 minutes and 48 seconds later) 		REPLIED Check Mark
sounds like piston slap......there has been a lot of talk about it please read this link.....

http://forums.nasioc.com/forums/archive/index.php/t-517919.html
JONATHAN  -- JAGUAR/LAND ROVER SHOP FOREMAN -- 100% Positive Feedback on 198 Car Accepts
ASE CERTIFIED MASTER TECHNICIAN WITH L1 CERTIFICATION JAGUAR MASTER TECHNICIAN
Reply to JONATHAN
Sent September 05, 2006 1:47 p.m. (3 hours and 27 minutes later)
WHATS THE REPAIR SOLUTION FOR THIS PROBLEM ?
Customer (name blocked for privacy)
Answer
September 05, 2006 2:28 p.m. (40 minutes and 33 seconds later) 		ACCEPTED Check Mark
the first thing i would do is make sure its not carbon buildup on top of the pistons......there is a service bulletin that involves pulling the spark plugs and treating each individual cylinder with gm top engine cleaner and letting it soak overnight to break down the carbon...if the problem persists then its more than likely piston slap and as far as i know thats why there is a class action lawsuit.....later model engines have different pistons which aren't having this problem.....
JONATHAN  -- JAGUAR/LAND ROVER SHOP FOREMAN -- 100% Positive Feedback on 198 Car Accepts
ASE CERTIFIED MASTER TECHNICIAN WITH L1 CERTIFICATION JAGUAR MASTER TECHNICIAN

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