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Author Topic: Starter problems
vitesse
Beginner
Posts: 36
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Post Starter problems
on: April 2, 2015, 18:35

Sorry for such a long winded question, but this old starter has me stumped.

My TR6 has a 1974 Ford 2.8 V6 in it and I'm having starter problems. When I bought the car, the starter didn't sound all that great and last fall it sounded really bad. When I pulled it out, the gear on the starter was very badly worn as well as the bushings on the starter shaft. It was obvious to me that it was seeing a lot of side load. The starter had been rotated a little to keep the solenoid from hitting the frame and an adaptor plate was made up to hold the starter to the engine. I suspect that the adaptor is just a little bit off, causing the starter to be too close to the ring gear. I had the starter rebuilt and installed it. A few months had passed, so I had forgotten about the interference. When I tried to start it, the starter engaged, but wouldn't release until I pulled the battery cable. I removed the starter, ground a little bit of clearance to move the starter farther from the flywheel. Now, the starter no longer stays engaged after releasing the key, but most times the starter just turns without engaging the flywheel (flywheel teeth look OK). It does engage occasionally. I painted the gear teeth with prussian blue and the starter is no longer jammed into the ring gear, though the teeth are a little bit tip loaded (still plenty of engagement). I replaced the solenoid thinking maybe it wasn't engaging quickly enough before the motor spins up. This is an old Bosch starter that doesn't have a bendix, the solenoid pulls a lever that engages the pinion gear. Any idea why the starter isn't engaging the ring gear reliably?
Thanks
Cecil

vitesse
Beginner
Posts: 36
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Post Re: Starter problems
on: April 4, 2015, 20:44

This evening, I pulled the solenoid back off on more time just to make sure the mechanism that pushes the gear into the starter was working freely. It seemed like it was working well, but I sprayed some penetrating oil into it just for good measure, put it back together, cleaned all of the connections, even though they looked good and now the starter works well.

walt
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Posts: 362
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Post Re: Starter problems
on: April 5, 2015, 18:51

Glad you could fix Cecil; that sounded too complicated for my brain...

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