Vent not changing locations
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Amateur
Joined: Nov 2011
Posts: 28
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Vent not changing locations
I only get my ac/heater fan to blow out the defrost or windshield? Just stopped working one day.
I have 1999 3.9 and have already replace the entire ac/heater control switch unit
I have 1999 3.9 and have already replace the entire ac/heater control switch unit
Champion
Joined: Jul 2011
Posts: 4,895
Likes: 35
From: Gilbert, Arizona
A vacuum problem or an vacuum actuator has gone bad developed a leak.
Look here for info LINK
The system works on vacuum a vacuum tank and one way valve to keep vacuum in the system check for leaks in the system or the one way valve has gone bad.
Check these photos out it may help some also LINK
Some Pic's of the actuators here LINK
Look here for info LINK
The system works on vacuum a vacuum tank and one way valve to keep vacuum in the system check for leaks in the system or the one way valve has gone bad.
Check these photos out it may help some also LINK
Some Pic's of the actuators here LINK
Last edited by 98DAKAZ; May 20, 2013 at 11:11 AM.
