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  #1  
Old 10-28-2006, 07:00 PM
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AIR Pump bearing removal

I have removed the pulley from the front of my AIR Pump. I notice that some of you have removed and replaced the bearing in the pulley.

How do you get it out and the new one back in?

1991 124

Thanks

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AIR Pump bearing removal-img_1512_1.jpg   AIR Pump bearing removal-img_1517.jpg  
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  #2  
Old 10-28-2006, 07:58 PM
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Put it in a vise, the side in the pics you have face up should be face down, and have the jaws opened so it catches the outer circumference of the whole pulley. Then you should be able to pound it out with a drift.
Gilly
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Old 11-03-2006, 08:43 PM
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Success!

I got a new bearing from bearingsdirect, a bit less than $30 delivered to my door.

I put the pulley in the oven and the new bearing in the freezer. When they were done, I gently tapped the bearing into the pulley.

Reinstalled the pump in the car and it works great.

Very satisfying to do a potentially expensive job like this for $30!

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Old 11-03-2006, 11:48 PM
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That's fantastic. Would you please include the part number from bearings direct and maybe the moderator can include this in the DIY section. Perhaps you can post a few pics as well.
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Old 11-04-2006, 05:12 AM
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Did you baste the pulley? . I like a little 5w30 with some vinegar mixed in.
Gilly
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  #6  
Old 11-27-2006, 11:40 PM
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Still waiting for the bearing part number, I need to do this job as well.

Thanks,

John
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  #7  
Old 11-27-2006, 11:52 PM
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Quote:
Originally Posted by jcwells View Post
Still waiting for the bearing part number, I need to do this job as well.

Thanks,

John
Try the button near the top of the page that says "Search".

With it I was able to find:

PULLEY BEARING
32BG05S18G-2DS
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Old 11-28-2006, 08:27 PM
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Would you be kindly expanding more details on how you pound the bearing out, and installation procedure? I am confuses on what size drift to use, and where I would blow the hammer into the bearing.

Did you break the old bearing and what about the retaining ring?

Jack
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Old 11-28-2006, 09:32 PM
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I just used a socket slightly smaller than the inside diameter of the hole in the pulley. I removed the clip with snap ring pliers. I hammered the old bearing out. I did not break the old bearing. Took some pretty good whacks but no big deal, really.

To install, I heated the pulley up to 400' and put the bearing in the freezer. Then I was able to lightly tap the new bearing into place and replace the snap ring.
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Old 04-28-2007, 02:15 PM
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Quote:
Originally Posted by brewtoo View Post
I just used a socket slightly smaller than the inside diameter of the hole in the pulley. I removed the clip with snap ring pliers. I hammered the old bearing out. I did not break the old bearing. Took some pretty good whacks but no big deal, really.

To install, I heated the pulley up to 400' and put the bearing in the freezer. Then I was able to lightly tap the new bearing into place and replace the snap ring.
Brewtoo,

Found your post too late. I got to where you were in the first post but decided to go with a rebuilt. I couldn't figure out how to get the bearing out. As you can see from your closeup photo, there are 6 crimps to the pulley that hold the bearing in. I guess you just pound the bearing out past these crimps? Weren't these crimps in the way when you installed the new bearing? My pulley looks exactly like yours, but there was no snap ring on the bearing. There was a snap ring holding the pulley/bearing to the spindle. The inner bearing on my pump was also making noise and I located the B188 needle bearing but the rebuild guy said it was the wrong size for my pump.


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Old 04-29-2007, 11:42 PM
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While the crimps may help hold the bearing in during everyday use, they are really no factor when knocking the bearing out or putting the new one in.

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