Grand Caravan FWD V6-3.3L VIN 3 Flex Fuel (2002)
Heater Core: Service and Repair
Rear
REMOVAL
WARNING: REFER TO THE APPLICABLE WARNINGS AND CAUTIONS FOR THIS SYSTEM BEFORE PERFORMING THE
FOLLOWING OPERATION.
1. Drain the engine cooling system. Refer to "Engine, Cooling and Exhaust : Cooling System : Service and Repair" See: Service and Repair
2. Remove the right quarter trim panel and right D-pillar trim panel from the quarter inner panel. Refer to "Body and Frame : Trim Panel : Service
and Repair" See: Body and Frame/Interior Moulding / Trim/Trim Panel/Service and Repair
3. Remove the rear heater distribution duct from the right quarter inner panel. Refer to: "Air Duct : Service and Repair" See: Heating and Air
Conditioning/Air Duct/Service and Repair
4. Remove the screw that secures the back of the rear heater-A/C unit housing to the right D-pillar.
5. Remove the screw that secures the front of the rear heater-A/C unit housing to the right quarter inner panel.
6. Take the proper precautions to protect the carpeting below the rear heater core from spilled engine coolant and have absorbent toweling readily
available to mop up any spills.
7. Disconnect the heater hoses at the rear heater core. Refer to: "Heater Hose : Service and Repair" See: Heater Hose/Service and Repair
Fig.5 Heater Core
8. Install plugs in, or tape over the opened heater core fittings and both heater hoses.
9. Use absorbent toweling to clean up any engine coolant spills from the preceding operation.
10. Release the four latch tabs that secure the heater core in the rear heater-A/C unit housing.
11. Carefully pull the heater core straight out of the rear heater-A/C unit housing.
12. Use absorbent toweling to clean up any engine coolant spills from the preceding operation.
INSTALLATION
NOTE: If the rear heater core or the rear heater-A/C housing have been removed from the vehicle for service, the rear heater core may be pre-filled
with the proper engine coolant mixture prior to reconnecting the heater hoses to the heater core hose fittings. Refer to: "Heater Hose : Service and
Repair" See: Heater Hose/Service and Repair
1. Carefully slide the heater core into the rear heater-A/C unit housing.
2. Using hand pressure, press firmly and evenly on the heater core end plate until the four latch tabs that secure the heater core in the rear heater-A/C
unit housing are fully engaged.
3. Remove the plugs or tape from the heater core fittings and both heater hoses.
4. Reconnect the heater hoses to the rear heater core. Refer to: "Heater Hose : Service and Repair" See: Heater Hose/Service and Repair
5. Install and tighten the screw that secures the front of the rear heater-A/C unit housing to the right quarter inner panel. Tighten the screw to 11 Nm
(97 in. lbs.).
6. Install and tighten the screw that secures the back of the rear heater-A/C unit housing to the right D-pillar. Tighten the screw to 11 Nm (97 in. lbs.)
.
