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- - knocking (https://www.pontiactalk.com/forum/grand-prix-16/knocking-1044/)

brettman781

Aug 25, 2007 08:03 PM

knocking

i have a 2004 grand prix gt with 36000 miles and in the morning when i start it it ticks and knocks and then after you drive it around you really cant hear it as much anyone know why or what it is

Phil_GTP

Sep 18, 2007 09:23 PM

RE: knocking

well when it sits overnight, the oil settels. the knocking is just your rockers,not a big deal.the oil has to warm up and get flowing through the block. so its really no big deal

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