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How do you tell when your timing belt needs to be replaced? That's about it.
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-=Danny=- -
well if you know how many miles are on the belt dont go over 60,000 miles or 100,000 kms. you can check for cracks, frays , alot of oil, and look for alot of black hairs. your best bet is if you just got your 3.4l or dont know how many miles are on the belt just change it. it is cheap and will save you a big headache and possibly a motor in the future. if you car has less than 60,000 miles on it then it has probably never been changed before. they usually only go a few more miles longer than that before they break (depending how hard you drive it).
JakeGM Goodwrench Tech - GM Certified
1991 Pontiac Grand Prix GTP - 3.4L DOHC , 5 Speed Manual Transmission , Turbonetics 62mm turbo, Turbonectics Evolution Wastegate , Turbonetics Raptor BOV , Large Front Mount Intercooler , AEM Methanol Injection , Car is running at 11PSI currently with methanol injection.
Runs 13.4 In the 1/4 with a 3 second 60 foot -
u can measure the distance from the tension pulley to the tension, there is a spec on itComment
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Be safe, if you don't know, by all means, CHANGE IT! Saves a tow bill. Fortunately the DOHC returns the cam to a neutral spot to keep from damaging valves unless you are at high RPMs.If you are driving a Chevy, everything else, is just a blur. 3.4 Carbon Footprint.
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