heating

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Jan 3, 2013 | 02:34 PM

ats1971

Thread Starter

Junior Member

Joined: Nov 2012

Posts: 32

Likes: 0

From: Dracut,MA

Year: 1996

Model: Cherokee

Engine: 4.0

heating

My 94 jeep blows cold air only when car is a idle. When im driving it blows hot.....any ideas?

Jan 3, 2013 | 04:23 PM

Bbasso

Senior Member

Joined: Jun 2012

Posts: 868

Likes: 1

From: SC

Year: 1999

Model: Cherokee

Engine: 4.0

blend door and or vacuum system is not 100%.

Jan 3, 2013 | 08:25 PM

ats1971

Thread Starter

Junior Member

Joined: Nov 2012

Posts: 32

Likes: 0

From: Dracut,MA

Year: 1996

Model: Cherokee

Engine: 4.0

Quote:

Originally Posted by Bbasso

blend door and or vacuum system is not 100%.

But wouldnt blend door and or vacuum only blow air out the defroster? It blows out all spots when switch by hvac controls, just blows cold only at idle.

Jan 3, 2013 | 08:27 PM

docmedpros

Senior Member

Joined: Oct 2012

Posts: 989

Likes: 2

From: Gainesville,FL

Year: 1996

Model: Cherokee

Engine: 4.0

sounds like poor charge, or engine bay to hot

Jan 3, 2013 | 10:17 PM

belvedere

CF Veteran

Joined: Jul 2012

Posts: 1,395

Likes: 1

From: SD

Year: 1998

Model: Cherokee

Engine: 4.0

Classic symptom of low coolant level, or air in system.

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