I have a 96 Jeep grand Cherokee. The heater is stuck on defrost all the time and I cannot switch to any other vent modes. (If I try to turn the air on from defost, nothing happens) Has anyone had this problem? If you have please help me. It is hot out and we and we are melting.
Go to the stealership, they will sell you a little plastic part u have to splice into the system. It solves a vacuum problem, i think. Worked on dads 94 zj.
I just wanted to say thanks for everyone's help and advice on this. I notice that alot of people do not take the time to do this. I will give these a try. If you guys run into trouble I will be there to help
This same issue happened to me not long ago, and I had accidently disconnected a vaccum hose while changing the plugs. See if you can find any loose hoses dangling around. Be sure not to look between your legs J/k
Seriously thats what my problem was.
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