1997 Jeep Grand Cherokee Q&A

1997 Jeep Grand Cherokee Question: Air selector not working, replaced control module, no change. Blend door repair?

Answer 1
please give more details on issues.ck for pwr to controller 1st -
Comment 1
Air only blows on defrost, all other functiions OK: heat and A/C, fan speed, air flow. Door door is either stuck or has inadequate suction for control to work. How do I check suction lines first before having to cut into door housing to check door? 97 Jeep Grand Cherokee Larado 8 cyl. 145K miles -
Answer 2
likely...that is a common failure -