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Heater Core: Service and Repair

Heater box removing/installing

Removing

- remove hood
- remove plenum tray
- remove entire windshield wiper motor linkage assembly
- remove center console, glove box and driver's side tray
- remove footwell air outlet on driver and passenger side
- remove defroster hoses and connecting bellows to heater duct
- remove rubber coupling between heater box and evaporator housing
- loosen cap on coolant expansion tank
- disconnect and remove coolant hoses from heater box






- remove screw A
- remove tensioning strap
- disconnect all connections between vehicle and heater






- attact engine support bridge 10-222 A/1 and heater claw 2075 to lip of heater box
- tighten nut on 10-222 A/1 until heater box is loosened
- remove tools
- remove heater box

Installing






- install in the reverse oder of removal noting the following:
-replace sealing tape A
-position ends of sealing tape at top of heater box
- check rubber coupling between heater box and evaporator for leaks