Classic Mustangs List Archive

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Mail From: adrian (adrian)

I found a small vac valve (?) connected to the cold slider wire under
the glovebox area.I managed to push on it while a/c was running in the
driveway.Seems that I got more cold air,which warmed up as I manually
moved the valve end wire to open/close it. So,the blower motor looks
good and the valve thingy got a squirt of WD40!
Thanks for the clues,guys,Ive changed this motor out YEARS ago and it
ain't fun!!
Adrian

This read-only message was archived from a public mail list.
Mail From: keven (Coates, Keven)

I'm glad you found your problem!

Also, one thing I forgot to mention about cold air and A/C. There is a
little valve that controls the vacuum controlled coolant valve under the
hood. When the cold air slider is moved to the farthest cold setting,
it is supposed to hit the button on the valve that will send vacuum to
the vacuum motor under the hood to shut off the coolant flow to the
heater core.

This makes the air colder because the heater core is too close to the
cold air path to be completely isolated, but if left this way for most
of the year, it can also help promote corrosion by holding stagnant
coolant in the heater core and not letting it circulate. I think we
covered this here years ago, but it's good to move the slider to the
middle once in a while just for a minute to let the coolant water
circulate.

It's also something to check if you don't feel your air is as cold as it
should be.

Keven

-----Original Message-----
From: classic-mustangs-bounces at lists.twistedpair.ca
[mailto:classic-mustangs-bounces at lists.twistedpair.ca] On Behalf Of
adrian
Sent: Tuesday, October 10, 2006 9:57 PM
To: Coates, Keven
Subject: [CM] Re a/c blower motor.

I found a small vac valve (?) connected to the cold slider wire under
the glovebox area.I managed to push on it while a/c was running in the
driveway.Seems that I got more cold air,which warmed up as I manually
moved the valve end wire to open/close it. So,the blower motor looks
good and the valve thingy got a squirt of WD40!
Thanks for the clues,guys,Ive changed this motor out YEARS ago and it
ain't fun!!
Adrian

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