Question about 1990 Oldsmobile Eighty Eight

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When i turn the key to start, I can hear the starter spinning but its not cranking the engine... i was told its the flywheel.. is there any other way to get the car cranked up or do i need it to be towed and fixed... how much should a flywheel replacement be on a 1990 olds 88 royale... Thanks

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  • Oldsmobile Master
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Hi. If the flexplate has separated from the engine, then the transmission will have to come out to replace the flexplate. On the other hand, if it just has a few damaged teeth, you may be able to get the starter to engage by manually rotating the engine to a better spot. On the flexplate gear. You can use a socket on the crankshaft pulley to rotate the engine.
Not knowing who has looked at the car, I wonder if the flexplate is really the problem. The starter can also be the problem if the gear linkage is not properly pushing the starter gear into the flexplate. You can check this by removing the starter and looking at the flexplate to check for looseness or damage. If the flexplate looks OK, hook up the starter out of the vehicle and have someone turn the key to start while you observe to see if the starter gear moves up the axle. Note that the starter will have to be grounded to the frame for this test. Please let me know if you have any questions, and thanks for using FixYa.

Posted on May 22, 2011

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  • Master
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You need to remove the starter and have it tested at any Auto Parts Store. It may be the flywheel has a broken tooth but it may be the starter bendix is just bad or a tooth on the starter drive is broken. You will have to have the vehicle towed to a repair shop if the starter is good. If the flywheel does need replacing the transmission will have to be removed from the vehicle in order to access the flywheel. The cost will depend on where you live and who performs the repair. I would only be guessing at the cost.

Posted on May 22, 2011

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  • Master
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It is not actually the fly wheel but the ring gear that is shrunk onto the flywheel that is worn. If you can manually turn the engine about 30 degrees, the starter may take on an unworn portion of the ring gear (if the vehicle is a manual a push start will work). Once started it should be taken to get fixed because the chances of the engine stopping at the worn section of the gear again are about 75% sure.

Posted on May 22, 2011

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