M-Class (W163) Produced 1998-2005: ML 230, ML 320, ML 350, ML 400 CDI, ML 430, ML 500, ML 270 CDI

Removed ABS PUMP motor and by mistake the bushing . Need help

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Old Apr 21, 2020 | 02:53 PM
  #1  
irokdastar's Avatar
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From: NYC
2004 CLK 500
Removed ABS PUMP motor and by mistake the bushing . Need help

Hello Everyone I have a 2002 ml500 . The motor on the abs pump was going bad so I removed it to replace the brushes . By mistake I actual pulled out the roller bushing that's inside the abs pump and now I can get it back in . There are 2 plungers that come together to hold the bushing but I cant get them to separate to get the plungers but they keep snapping back together . Is there a set screw or something that will release the pressure ? i appreciate any help . Thank you
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Old Apr 21, 2020 | 08:10 PM
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Maj. Dundee's Avatar
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From: Bronx, N.Y.
2002 ML 320 & 2006 ML500
Measure the width of the hole and buy a short piece of PVC tubing slightly shorter than the width.

Insert the tubing which will push in the two pins, then insert the bearing and pull the tube out.


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Old Apr 21, 2020 | 08:19 PM
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2004 CLK 500
my issue is trying to keep those pins open long enough to do so . I can use a screw driver to open it but I have no room to get something inside before they close again .
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Old Apr 22, 2020 | 04:41 AM
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2002 ML 320 & 2006 ML500
Originally Posted by irokdastar
my issue is trying to keep those pins open long enough to do so . I can use a screw driver to open it but I have no room to get something inside before they close again .
Then you will have to figure it out on your own.
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Old Jan 4, 2025 | 09:22 AM
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2007 R320
I had the same problem. I got the roller bearing installed back in eventually. I inserted a snug fitting dep well socket into the bearing and added a short extension for leverage. I held one pin open with a thin screw driver, then used the bearing to wedge open the other pin and worked the bearing into place. It took a lot of attempts and fiddling, but it only has to work once.

Last edited by jakebrake; Jan 4, 2025 at 09:25 AM.
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