Knocking in motor?
#1
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Knocking in motor?
So i found out last night i needed to replace the radiator in my 05 GTO, must have been a bit old and under too much pressure so, im ordering a new radiator and having it put on today, BUT, i pulled it into my shop todayand the techs and i heard a loud knocking ive never heard it before. he reved it to about 5k and it was very apparent. i read up on that piston slap deal, and im wondering if its that, or is there anything else i need to be worrying about. i just bought her about 4 days ago, help please? :sad:
#3
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It sounded like the bottom but I could be wrong, it did it when I started it and the tech took it to 5 grand right when we started it with a busted radiator, so were replacing everything now, but its still got me freaked out since i have no knowledge of these cars...
#7
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Well, I hope i didn't blow a head, she's undergoing a block test right now, this is unbelievable...if it turns out positive, any info on good heads and a shop or person that could install or help?
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#8
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How many miles on it? I'd switch to a heavier weight oil and see if it goes away. Generally speaking, the last thing you want to do after you hear an engine knocking is rev it to 5k.