You have a vaccum leak or a bad check valve possable in the vaccum resorvoir
and the controls run out of vaccum at full throttle.
----- Original Message -----
From: "will" <k_kodiak2@yahoo.com>
To: <dakota-truck@dakota-truck.net>
Sent: Wednesday, April 09, 2003 4:40 PM
Subject: DML: a/c cutting out going uphill
>
> Okay. Here's another one. When I accelerate under load
> (like going uphill) my a/c cuts out. No air at all
> comes out front vents. Does the same with the fresh
> air fan when truck is under load. I can hear what
> sounds like air blowing behind the dash. But I can
> only feel just the tiniest bit of air coming out of
> windshield vents. But that's it.
>
> Then when I let off the gas pedal a bit, all the air
> comes back out the front a/c vents.
>
> I'm replacing the plenum plate and gasket soon. I have
> a bit of oil inside my intake manifold. Would this
> have anything to do with the a/c problem?
>
> Will Hansen...stumped in the sticks...
>
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