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Re: Main Pulley Woes Posted by Larry West [Email] ![]() ![]() ![]() In Reply to: Main Pulley Woes, Brian P. Bogard, Wed, 28 Sep 2011 21:10:30 Members do not see ads below this line. - Help Keep This Site Online - Signup |
The usual way these fail is that the main seal leaks, oil gets on the pulley, the rubber in the pulley softens, and the sheaves get pulled towards the oil pump cover, and the bolts do their work on the sheaves.
As long as both pulleys have the same # of sheaves (grooves), you should be fine. The pump covers, are, IIRC, interchangeable. Saab changed the pump drive at some point, but I think that was before 1984.
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