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S-Class (W140) 1991-1999: 300 SD, S 350TD, 300 SE 2.8, S280, 300 SE 3.2, 300 SEL 3.2, S320, S320L, 400 SE, S420, 400 SEL, S420L, 500 SE, S500, 500 SEL, S500L, 600 SE, S600, 600 SEL, S600L, 500 SEC, 600 SEC

vacuum pump door assist

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Old Jan 3, 2011 | 12:55 AM
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huffy
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1992 400se
vacuum pump door assist
Hello, My door assist pump is not work right on my 400se. worked on one door but not the other three , so I unpluged it and they all worked but when I put it back into place it didn't work. Do you think it just needs cleaned or is it going BAD? Thanks for the HELP
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Old Jan 3, 2011 | 08:12 AM
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Peter Guenther's Avatar
Peter Guenther
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From: Fl
92 500sel/01 320e wag
The bible on close assist
http://w140repair.com/Closing_Assist_Pump.htm
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Old Jan 3, 2011 | 10:15 AM
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huffy
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1992 400se
Thank you
I cleaned the connections and put in back in place and it is working fine. Thank you
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Old Jan 9, 2011 | 11:01 PM
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NihalS65
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From: Chicago
1992 500SEL Black and grey 2 tone w/ camel brown interior
i got the same problem. i hope mine is as simple as cleaning the connectors.
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Old Jan 11, 2011 | 06:54 AM
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oldsinner111
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From: tennessee
s320
By using this info I fixed my front passenger door.It would not lock on its own,by pulling fuse and putting back.My door works right.It had quit because a coat got hung up in door.
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