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Go Back > General Technical Discussions > Engines & Drivetrain > Air not blowing

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Unread 05-26-2015, 05:21 PM   #1
Registered User
Join Date: May 2015
Location: Blairsville, Georgia
Posts: 1
Air not blowing

I have a 2000 jeep Cherokee 4.0 limited 4x4 the air doesn't blow at all no matter if you put it on the lowest setting or the highest or if the heat is on or air conditioning. The cruise control stopped working at the same time. Any ideas.

Deyton24 is offline   Reply With Quote Quick reply to this message
Unread 05-30-2015, 05:32 AM   #2
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1997 XJ Cherokee 
Join Date: Jan 2013
Location: Enfield, CT
Posts: 295
When you say "air doesn't blow at all," do you mean you can't hear the blower working? Or the blower does work, its just not coming out the vents?

I ask because the cruise control and vent controls (HVAC modes) are vacuum actuated. If your fan blows but the air only comes out your defrost, then it is likely a faulty vacuum line or lines for both. I'd check all the vac lines to and from the vacuum ball, to start with.

If the fan itself doesn't blow, then you need to check for power and ground at the blower motor connector. Of there is power and ground, then you would need a new blower motor.

Based on your answers to my questions, we can figure out if you have one common problem or 2 different problems.
JMH21814 is offline   Reply With Quote Quick reply to this message

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