Question about 1996 Jeep Grand Cherokee

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Heater core went out on 1996 grand cherokee. Tore dash out and am down to pulling out heater assembly. Found the flapper door for I believe, the defroster tract, sitting in the bottom of the box. There is no rod or visible connections to the assembly. I believe it hinges at the top from what I can see, but what controls the door. I think I may have some missing linkage (used jeep) that runs that door. The airflow has never worked right. No matter where you would direct the air, it came out most every duct, and the defrost was a joke. Any ideas/help would be much appreciated.

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Mine was the same but the flapper was stuck in a closed position. (if it is the same one ) the mechanic replaced mine. The bottom of the flapper has some sort of post that rests in a hole on another piece to hold it in place. the post was rusted out .... Problem solved a 5 years ago ... Put the jeep Orvis for sale today.

Posted on Nov 07, 2010

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Hop helped with this (remember rated this help) Good luck.

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Section 12-03A: Air Conditioning System—Manual A/C-Heater 1994 Crown Victoria/Grand Marquis. Workshop Manual
REMOVAL AND INSTALLATION Heater Core Removal
  1. Remove the heater air plenum chamber assembly as outlined.
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    1. Remove all instrument panel retaining screws and pull the instrument panel back as far as possible without disconnecting any wire harnesses.
    1. Loosen the RH door sill plate and remove the RH side cowl trim panel.
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    1. Remove two hush panels.
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  1. Remove the four retaining screws from the heater core cover (18B300) and remove the heater core cover from the heater air plenum chamber assembly.

    Heater Core Removal


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