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There A bolt half inch located outside a plate of the alternator on the fire wall side turn it counterclockwise either with a long wrench from on top or under the car

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โˆ™ 2009-02-07 16:01:11
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Q: How do you release the tension on the alternator belt on a 1991 Cavalier?
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I know that on the E30's (until 1991) the alternator has a mounting bolt that controls tension on the belt. (1)Just loosen that bolt and the rest is a breeze. (2) Move the alternator in to remove the old belt. (3) Put the new one on. (4) Use a bar or large wrench as a lever to move the alternator out and to put tension on the belt. (5) Hold it there while tightening the mounting bolt. (6) Wash your hands 'cause you're done.

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Look at the face of the alternator. Below it is a round thing that looks like a dial. Loosen that nut - 15mm...To the right of the alternator - or if you are standing in front of the car -- in front of the alternator, below it -- is a nut on a threaded rod -- 1/2" socket AND a universal adapter because of the extreme angle of this nut.... This is what pushes the alternator up or down.CCW allows pushing the alternator down ( loosen the belt ) -- andCW brings the alternator back up ( tighten belt )StanFarmington CT

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Just slightly different than on lesser cars: Saabs have two alternator belts that run in parallel. This belt pair also drives the water pump, so they wanted to be sure you wouldn't get stranded. But it's pretty easy: your alternator runs on an adjustment track. Loosen both bolts and pivot the alternator so you can get the belts off. Look how they're routed before you remove them. If you have AC the belt for that is blocking in your alternator belts, so loosen the compressor and take it off. Then put the new belts you bought in place, tension the alternator (I stick a broomstick between the alternator and engine, and pry the belts tight), tighten both bolts, tension the AC compressor and tighten it, and you're done.

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