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Old March 13th, 2026, 01:59 PM
James James is offline
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Default Re: Starting problems / ignition / distributor

Quote:
Originally Posted by GMCTom View Post
@James
I tried to turn the rotor on the distributor (while it was installed), but it won't move. It's stuck. There's no movement against a spring or springing back. I assume it should look like this:



I'll check the mechanism of the distri. Perhaps as you said the finger is actually locked in its maximum position.
That is what it should do.

Also with a good distributor vacuum diaphragm, the plate that the points is mounted on, should move counter-clockwise with vacuum applied. Did you check the diaphragm for leaks. If the no leak under vacuum the plate might also be stuck. If it does leak the the diaphragm will need to be replace. This part is use to provide better gas mileage while cruising down the highway.
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