C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Starter Problems

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Old Apr 22, 2020 | 07:47 PM
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89 l98 manual vette. Had a leaky head gasket so after getting all that fixed and put back tried to start the car and the starter wouldn’t do anything. got a new one from oreillys and put it in. the starter spins but doesn’t engage. went and got it tested and it worked perfect, engaged and everything. starter engagement relay is good and all the teeth on the flywheel look good. currently thinking that it is possibly a bad ground or something but not sure... any ideas?

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Old Apr 22, 2020 | 10:46 PM
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Maybe it's not shimmed correctly and binding. Did you check for the 1/8" clearance? Are you sure it's spinning and not just pushing the gear out? The solenoid pushes the gear out and sends power to the starter motor. If it's shimmed correctly and spinning, it seems like a bad solenoid to me. It gets ground from the block.
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Old Apr 23, 2020 | 07:41 PM
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Did you return the core yet? If not, go get yours rebuilt.

I had a horror story with an 89 auto and reman starter. It took so many shims and was miserable
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Old Apr 23, 2020 | 11:07 PM
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Old Apr 24, 2020 | 11:04 AM
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Originally Posted by jv9999
Maybe it's not shimmed correctly and binding. Did you check for the 1/8" clearance? Are you sure it's spinning and not just pushing the gear out? The solenoid pushes the gear out and sends power to the starter motor. If it's shimmed correctly and spinning, it seems like a bad solenoid to me. It gets ground from the block.
We had purchased a reman and went ahead and returned it. Ordered a 100% new one and gonna try again today, bought some shine as well. Also realized that it did connect with the flywheel at one point because the harmonic was off of top dead center so fingers crossed we get it figured out. thanks everyone for all the help
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Old Apr 24, 2020 | 07:15 PM
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Originally Posted by hannjonez
Also realized that it did connect with the flywheel at one point because the harmonic was off of top dead center
Did you read the instructions that would have been with the remanufactured starter? I'm sure the instructions would have described the procedure to add shims between the starter and the engine block. That is why the starter "connected with the flywheel at one point". There is no reason to rotate the engine to "top dead center". That has nothing to do with the installation of a starter.


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