[W126 Coupe] Transmission Shift Question

[Richard Hogarth]

Have you tried "T"ing off that hose and putting a vacuume guage on that hose
during normal driving?
That may give you some interesting results.  
-RPH

-----Original Message-----
From: mbcoupes-bounces at mbcoupes.com [mailto:mbcoupes-bounces at mbcoupes.com]
On Behalf Of Dick Spellman
Sent: Wednesday, February 08, 2006 3:07 PM
To: Mercedes Coupes Mailing Lists
Subject: Re: [W126 Coupe] Transmission Shift Question

Hi Richard;

I placed 15 inches on the modulator using a MightyVac for 20 minutes.  
Needle did not move.  So the diaphragm is good.  Knowing it is 20 years old
anything could happen but, I think the 15 applied with the hand pump is
within normal limits where the engine probably pulls a bit more at high
vacuum.

Thanks,

Dick

Richard Hogarth wrote:

>If you are going to manually put a vacuum on that modulator, go really 
>easy with it if you are going to use a hand pump. Those diaphrams can 
>easily be over stressed and be broken or torn.
>
>-RPH
>
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