Heater Blows Cool air

Reply Subscribe

Thread Tools

Search this Thread

09-23-2009, 11:21 AM

elbowroom3543

Newbie

Thread Starter

Join Date: Sep 2009

Posts: 6

Likes: 0

Received 0 Likes on 0 Posts

Year: 1995 GC Limited

Model: Cherokee

Engine: 5.2 liter

Heater Blows Cool air

1995 GC Limited, 5.2L. No heat. Temp Control has no effect for heat or A/C. Exchanger under dash is hot. A/C works ok. Any suggestions?

Reply Like

09-23-2009, 11:49 AM

ol"blue

CF Veteran

Join Date: Mar 2009

Location: Tenn. and Mich.

Posts: 28,068

Likes: 0

Received 6 Likes on 6 Posts

Year: 2004

Model: Grand Cherokee

Engine: 4.7L V8

Do you have the Automatic Temperature Control or the Manual Temp. Control system? Is there a digital read-out for the temp you set? If so, it's the ATC. If you have the ATC system, the likely problem is the vacuum motor on the back of the temp control ****. It adjusts the blend doors (I think) and is not a serviceable item. You must replace the panel, according to the manual.
If you have the manual system, you have either a vacuum leak, a blend-door problem, or an actuator problem.
And Welcome to CF.

Reply Like

09-23-2009, 03:09 PM

elbowroom3543

Newbie

Thread Starter

Join Date: Sep 2009

Posts: 6

Likes: 0

Received 0 Likes on 0 Posts

Year: 1995 GC Limited

Model: Cherokee

Engine: 5.2 liter

A digital readout

I have replaced the ATC panel. Same issue. Is the vacuum motor imbedded in the ATC panel? The panel has no vacuum line attached to it. I assume the ATC panel has the control ***** the A/C button and recirculation button?

Last edited by elbowroom3543; 09-23-2009 at 03:16 PM.

Reply Like