Sundance L4-153 2.5L SOHC (1988)
Evaporator Core: Service and Repair
Automatic Temperature Control (ATC)
1. Disconnect battery ground cable, then discharge refrigerant from A/C system and disconnect lines from evaporator heater assembly.
2. Drain cooling system, then disconnect and plug heater hoses from evaporator heater assembly.
3. Remove A/C condensate drain and disconnect vacuum lines.
4. On Acclaim, Dynasty, Lancer, LeBaron GTS, New Yorker, Shadow, Spirit and Sundance models, remove steering column cover.
5. On all models, slide front bench seat or right front bucket seat back as far as possible.
a.
On Acclaim, Shadow, Spirit and Sundance models, remove right A-pillar trim.
6. On all models, remove right cowl side trim.
7. On all models, remove glove box. If necessary, remove right instrument panel reinforcement to allow glove box removal.
8. On Shadow and Sundance models, proceed as follows:
a.
Remove center bezel, then the lower center module cover.
b.
Remove floor console, then the instrument panel brace from steering column opening.
c.
Remove instrument panel support bracket from below glove box opening.
d.
Remove ashtray, then the radio assembly and panel top cover.
e.
Remove three right side instrument panel attaching screws below windshield.
9. On Aries, Reliant, Shadow and Sundance models, pull lower right side of instrument panel rearward.
10.
On all models, remove center distribution and defroster adapter ducts.
11.
On Shadow and Sundance models, disconnect relay module electrical connector.
12.
On Shadow and Sundance models, remove instrument panel-to-evaporator heater assembly bracket, then the lower air distribution duct.
13.
On all models, disconnect blower motor electrical connector, then the demister hoses from top of evaporator heater assembly.
14.
On models with automatic temperature control, disconnect instrument panel wiring harness from rear of ATC unit.
15.
On all models, unfasten antenna cable from clip on evaporator heater assembly.
16.
On all models except Dynasty, Lancer, LeBaron GTS and New Yorker, fold carpet back from right side of floor.
17.
On all models, remove four evaporator heater assembly attaching nuts from engine compartment side.
18.
Remove lower screw from hanger strap, then rotate the strap aside.
19.
Pull evaporator heater assembly rearward until mounting studs are cleared, then lower unit.
20.
On Shadow and Sundance models, remove demister adapter from top of unit.
21.
On Shadow and Sundance models, slide assembly up from under instrument panel while pulling lower right side of panel rearward.
22.
Place evaporator heater unit on bench, then remove evaporator heater unit top cover.
23.
Remove expansion valve seal and retaining screw from under sealing plate, then lift evaporator core out of assembly.
24.
Reverse procedure to install.
