Question about 1991 Oldsmobile Cutlass Supreme

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1991 Olds Cutlass Supreme timing belt frayed quickly

We just bought a 1991 Olds Cutlass Supreme (3.1 engine) from a family member, the original owner. The timing belt looked fine then. We drove it around town and went on a trip for a total of less than 2,000 miles. Now the inside half of the timing belt is shredded. There are 4 grooves left in the belt all the way around. The rest is basically gone. I'm assuming this is hard to fix without special equipment...? What is reasonable to expect to pay for the repair? Is it stupid to drive it to the doctor or grocery occasionally until I can get it fixed?

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  • alayne_fenas Jun 28, 2009

    Okay, yes. My mistake. Serpentine belt. That's what it is.

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  • Oldsmobile Master
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If the belt you are talking about was in the condition you say it is, it is not the timing belt but the serpentine drivebelt. It is not difficult to replace and should be done asap before you run into a major problem. As far as I remember you have a timing chain inside your engine.,When replacing it, make a routing diagram or find the sticker that shows this before removing the old belt.Have someone at the parts store show you the tensioner and how to depress it to r&r the belt.

Posted on Jun 28, 2009

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  • Master
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When belt goes will not run may cause engine damage mechanic will charge from 400-800 beware of low bids maybe inferior work!!!Best of Luck to you!!!!

Posted on Jun 28, 2009

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