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Old 05-09-2001, 09:50 AM
Coming back from burnout
Join Date: Jun 1999
Location: in the Pacific Northwest
Posts: 2,274
Can anyone tell me where I can find an accurate Vacuum diagram for an 1983 240D engine comprtment showing the vacuum hoses, the check valve, lines, the yellow valve and the grey valve (between brake booster and pump) in the vicinity of the engine shutoff feature?
I know its a small thing, but I cant get my doors to lock/unlock and my trunk releae, fuel tank release to work properly. I dont think the problem is a LEAK because I checked evrywhere, I'm pretty sure I have Misrouted hose/exhaust line in the ngine compartment.
Thank you!!!

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Old 05-09-2001, 08:29 PM
cth350's Avatar
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Join Date: Dec 2000
Location: Long Island, NY
Posts: 3,832
There should be exactly one hose that passes from the engine compartment to the interior. It runs in near the brake booster. Disconnect the lines there, opening the body area to fresh air and then cap off the engine compartment side.

Now, get yourself a little vacuum pump (about 30$) and use it to charge the interior side of the system. If the door locks suddenly work, I'd be surprised, and that would point under the hood for your problem.

If the door locks still don't work, you can ignore the under the hood stuff and ask for the interior vacuum routing schematic.

Send me an email, if I can find it, I'll reply with it as an attachment.

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Old 05-09-2001, 09:47 PM
Coming back from burnout
Join Date: Jun 1999
Location: in the Pacific Northwest
Posts: 2,274
Thank you

Thank you very much

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