Dakota 4WD V8-318 5.2L (1991)
Evaporator Case: Service and Repair
Heater-A/C Housing Disassembly and Assembly
The following operations require the removal of the heater A/C unit housing from the vehicle.
1. Place the heater A/C unit on a suitable work surface.
2. Locate and remove one, 1/4-20 retaining nut from the blend-air door pivot shaft.
3. Using a pair of pliers, place 1 plier jaw on top of pivot shaft and the other jaw under the crank linkage. Pinch the crank off of the pivot shaft.
4. Disconnect the vacuum lines from the defrost and panel mode vacuum actuators and position them out of the way.
5. Remove 3 heater A/C unit cover attaching screws going upward at the defroster outlet chamber.
6. Remove 2 heater A/C unit cover attaching screws going upward at the air inlet plenum.
7. Remove eleven heater A/C unit cover attaching screws going downward into the housing and lift the cover from the heater A/C unit.
To assemble, while setting the heater A/C unit cover into place guide the panel air mode door pivot shaft into its socket and reverse the preceding
operation.
