Question about 1996 Buick Park Avenue

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How to i change the bearing on the airconditioner

How to i change the bearing on the air conditioner. the unit started making noise and i was told to change the bearing but not for sure how to go about doing it.

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To change this bearing requires special mechanics tools. This job can quickly become a real pain if the bearing has been staked on. What level is your mechanical expertise? With all due respect if you do not have pullers and access to presses I would not try this project. At the minimum you will need snap ring pliars, a new bearing, a serpentine belt removal tool, a special puller and a press.
First remove the serpentine belt. In the center of the compressor pulley there may be a nut that needs removed, remove it. thread in the special pulley clutch removal tool as far as possible with the center bolt of the puller all the way out. With the tool threaded on tighten the center bolt on the tool until the pulley clutch comes off. this works best if you use an impact. now you should see the snap ring on the center hub. remove it. The hub with bearing should now slide off. If it doesnt you will have to use another special puller. Once you get that off you will have to have the bearing pressed out. Likely the outside race will be staked on. it helps if you can grind those off. A machine lathe works wonders for that job. Once the bearing is off put the new one on with the help of a press and a little locktite. You do not need to restake it as long as it fits plenty tight. the rest of the installation is pretty much the reverse of removal. The pulley clutch will need to be pulled on tight with a special tool with special attention given to the gap. You dont want it to touch but you want the clutch faces as close together as possible. good luck.

Posted on Jul 19, 2010


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