EVAPORATOR CORE & HEATER CORE
Removal & Installation (Dakota)
Remove the evaporator/heater assembly. Refer to EVAPORATOR/HEATER ASSEMBLY.
With evaporator/heater assembly removed, remove nut from blend air door shaft. See Fig. 2. Using pliers, press linkage arm off b lend air door shaft. Disconnect vacuum lines from vacuum actuators.
Remove assembly cover screws from defroster outlet and air inlet openings. See Fig. 2. Remove remaining screws from top of unit cover. Remove unit cover.
Remove retaining screws, and remove heater core. Remove evaporator core. To install, reverse removal procedure.
Disconnect negative battery cable. Remove lower steering column cover. Remove retaining screws from inside ashtray. Remove ashtray assembly.
Remove intermittent wiper control from bracket. Intermittent wiper control is located at lower edge of radio speaker grille, on driver side. Remove instrument panel module retaining screws near right side of steering column.
Remove center air duct located behind lower instrument panel module. Remove support brace screw from instrument panel module. Remove courtesy light at right corner of instrument panel module.
Remove instrument panel module retaining screws above glove box and ashtray areas. Pull instrument panel module rearward and lower it. Secure wiring harness aside.
Disconnect antenna cable from retaining clip on right end of evaporator/heater assembly. Disconnect electrical connector from blower motor. Disconnect defroster hoses at adapter on top of evaporator/heater assembly.
Remove terminal insulator retainer from assembly support brace. Disconnect necessary vacuum hoses. Disconnect Black attaching flag of temperature cable on top of A/C-heater housing, behind defroster tube adapter. See Fig. 3.
Slip cable self-adjusting clip upward from blend air door crank. Insert a 3/16" (4 mm) diameter rod in crankpin access hole, and rotate self-adjusting clip from cable. See Fig. 3.
Discharge A/C system using approved refrigerant recovery/recycling equipment. Disconnect refrigerant lines. Plug refrigerant line openings. Drain cooling system. Disconnect heater hoses, and plug heater core tubes.
Disconnect condensation drain tube from fitting on firewall. Remove evaporator/heater assembly-to-firewall retaining nuts. Remove evaporator/heater assembly support brace attaching screw. Swing support brace to left, out of way.
Pull evaporator/heater assembly rearward until attaching studs clear instrument panel and allow assembly to drop down. Rotate evaporator/heater assembly until attaching studs are facing downward. Remove assembly from vehicle.
Images (click to enlarge)
Friday, October 19th, 2012 AT 1:46 AM