Yep, 'was 'fraid of that.
Wilt
----- Original Message -----
From: "Max Dillon" <meadedil...@bellsouth.net>
To: "Mercedes Discussion List" <mercedes@okiebenz.com>
Sent: Thursday, April 03, 2014 1:35 PM
Subject: Re: [MBZ] 124 wonky shutdown
Replacing the vacuum shut-off valve isn't too easy with the intake
manifold in place, but it's possible. If I recall accurately, both the
ALDA and the connection for the fuel rack position sensor must be removed
first.
--
Max Dillon
Charleston, SC
-------- Original Message --------
From: WILTON <wilt...@nc.rr.com>
Sent: April 3, 2014 1:25:06 PM EDT
To: Mercedes Discussion List <mercedes@okiebenz.com>
Subject: Re: [MBZ] 124 wonky shutdown
My thoughts, too, on the switch and the pump.
Wilton
----- Original Message -----
From: "Max Dillon" <meadedil...@bellsouth.net>
To: "Mercedes Discussion List" <mercedes@okiebenz.com>
Sent: Thursday, April 03, 2014 1:07 PM
Subject: Re: [MBZ] 124 wonky shutdown
You can test the shut-off valve with a length of hose and the suction
provided by your mouth. If the valve works, then most likely a hose is
leaking. Could also be the vacuum switch on ignition, or weak vacuum
pump.
Is the cover on your vacuum pump crimped on, or screwed on? Original
crimped cover pumps prone to catastrophic failure, which can destroy the
engine.
--
Max Dillon
Charleston, SC
-------- Original Message --------
From: WILTON <wilt...@nc.rr.com>
Sent: April 3, 2014 9:55:26 AM EDT
To: mercedes list <mercedes@okiebenz.com>
Subject: [MBZ] 124 wonky shutdown
Since yesterday morning, my '87 300D has has gotten increasingly hard and
slow to shut down after turning key switch OFF. By late afternoon
yesterday and this morning, it merely slows way down to barely rotating
but continues to "run" (extremely slowly) with key switch OFF. I know
about the shutoff lever on the IP, but haven't used it yet. Last three
times, I held brake and put it in gear and let it "lug" off. Unable to
find any vacuum leak, yet, and tranny shifting seems normal. The
shutdown
seems as if the shutoff valve is partially closed, but is letting enough
fuel to get past it to let the engine continue to run VERY SLOWLY.
Suggestions? Shutoff valve on IP not fully actuating?
Wilton
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