timing belts

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08-20-2013, 09:16 AM

er0ck273

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timing belts

i was just curious if 2000 jimmies have timing belts on them...ive seen both yes and no so i got no clue lol

08-20-2013, 09:24 AM

chris015

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Location: South Carolina

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100% fact they have timing chains,not belts. Usually never any issues. They rarely ever break they stretch. Leave it be unless you know for a fact its bad.

08-20-2013, 09:34 AM

er0ck273

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how could you tell if its stretched? would it drive any differently or would the chain just have to be measured for stretching to know it was bad

08-20-2013, 11:11 AM

chris015

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ive done something like this before
How to Check Timing Chain Wear on a Small Block Chevy | eHow

Actually worked.

08-20-2013, 12:11 PM

er0ck273

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great info! thank you

08-20-2013, 07:40 PM

Captain Hook

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I agree, great info. The only problem is your 2000 4.3L does not have degree marks. You'll need to "estimate" the amount of movement. Anything more than ~3/4" to 1" the chain needs to be replaced.