AC Control Valve
Thread Starter
Junior Member
Joined: Apr 2009
Posts: 29
Likes: 0
From: Wichita, KS
Car: '91 Camaro RS
Engine: 305
Transmission: 700R4
Axle/Gears: 2.73
AC Control Valve
Where is this thing located? I just replaced my blower motor and discovered that air will not stop blowing through the defroster vents. I've tried switching to and from every setting. I believe it would be a missing/disconnected/broken vacuum line OR the ac control valve. Does anyone know where it is located and where the vacuum sources are on a 91 LO3?
Supreme Member
Joined: Jan 2006
Posts: 3,341
Likes: 10
From: Mooresville NC
Car: LOWERED ♦ CRIMSON METALFLAKE
Engine: ► 400 KUBES ◄
Transmission: 765R4
Axle/Gears: EATON POSI 4.56
OUT OF CONTROL
There is a hose coming from the manifold, which goes to a T.
It runs to a spherical vacuum tank located in the engine compartment.
A hose goes through the firewall to the HVAC controls.
Happy Racing!
If People Drove Any Slower They’d Be Going BackwardsFog lights are not driving lights. Turn em off slow pokes.
How bout those dorks too scared to drive without headlights on in the daytime!

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