RE: [DML] Changing out vacuum hoses ---> Thermal Vacuum Switch -- where
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RE: [DML] Changing out vacuum hoses ---> Thermal Vacuum Switch -- where exactly is it?



Wayne,
If the instructions with the kit are not the same as the car then someone
may have done some kid of modification to the vac system.
Call me if needed.
John Hervey
972-564-9321




-----Original Message-----
From: dmcnews@xxxxxxxxxxxxxxx [mailto:dmcnews@xxxxxxxxxxxxxxx]On Behalf
Of Wayne Wagner
Sent: Thursday, July 07, 2005 10:31 PM
To: dmcnews@xxxxxxxxxxxxxxx
Subject: [DML] Changing out vacuum hoses ---> Thermal Vacuum Switch --
where exactly is it?


After seeing the state of some of the vacuum hoses when trying to hunt
down a vacuum leak, I decided it was time to replace them.

Got around to changing most of the hoses today with the kit from
SpecialTauto, and when I got to the Tee that joins the constant pressure
regulator to the Thermal Vacuum Switch..... I find another Tee further
along the path!

I don't know why the system was mis-"hosed" the way I found it.  What I
see is a vacuum hose from manifold to a Tee that supplies vacuum to the
Vacuum Advance solenoid switch and the pressure regulator.
Apparently the Thermal Vacuum Switch is totally bypassed, and I am not
sure how deep I am supposed to dig to see it.  I have an idea where it
supposed to approximately be from the manual, but I still cannot see
it.  Any tips?

Also, are there any negative aspects to running vacuum to the fuel
pressure regulator all the time?  From what I understand... the Thermal
Vacuum Switch should cut out vacuum to the pressure regulator when the
engine is above +40C.

Thanks!

-Wayne / VIN#2447




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