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

w140 vacuum problem

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Old 03-11-2015, 03:47 PM
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w140
w140 vacuum problem

Hey! I have a problem with my 1994 w140 s-class 350td engine-code: 603.971! I was troubleshooting on the vacuum system bicouse the the turbo loses boost after ca 10 minutes of driving. I was checking the to vacuum valves that controls the wastegate and the EGR (behind the r/s front-light) and now i can’t get the hoses back in there right places. I was wondering if someone could send me some pictures so i can get it back thogeter. I have found some schematics online, but this are in poor quality and its not working at all, when mounted by following this schematics. I will be very greatful if someone with a w140 350td took some pics and posted these And any other leads on the loss of power problem would been a big help.

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