Jeep Cherokee

Why does your heating-ac only blow out of the defrost 1990 Jeep Cherokee?

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Wiki User
2006-08-17 16:03:56

There are two possible solutions. ffirst is the door may be

locked open where the exchange takes place for the direction of

flow. Second is the vaccumm valve that operates the door. It is

usually located under dashbut you can check vaccum canister to make

sure there is enough vaccum.


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