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Poor man's crank pulley fix - - or bandaid.
Posted by RayF (more from RayF) on Sat, 30 Jul 2005 18:05:31
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Pulled my 89 T apart yesterday afternoon and today am finishing up new oil pump cover seal and o-ring. I HAVEN'T been getting the dreaded squealing crank pulley but I figured a little insurance was in order while I had it out.
I drilled three 5/32" holes in the bottom of the vee of the outer two of the water pump-alternator pulley belt grooves in my harmonic balancer pulley, straight through the outer shell, the rubber sandwich and the center hub. Spaced them equally, halfway between the three bolt holes for the A/C pulley.
Then I sank three 5/32"x3/4" tension pins from the hardware store into the holes. I daubed top and bottom of each with my favorite epoxy as added insurance against backing out, but I doubt they'll ever move.
They sort of defeat the vibe-damping effect of the rubber but the idea is to stop the pulleys from spinning on the hub. The pins seem fat enough to easily resist the twist, given that the rubber is still holding and they only need to stop it ever fully detaching. (There was room to go up at least another size, maybe two.)
It's not ONLY that I'm cheap; I sure didn't want the car apart while I waited for a new pulley.
I also shaved off about a sixteenth of an inch of the rubber sandwich where it had extruded out between the hub and outer shell, on the inner face. You could see where it had been chafing the oil pump cover.
posted by 64.223.23...
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