Grand Caravan V6-3.3L VIN R (2005)
5. Using spring tension clamp pliers, compress and slide the clamps off of the rubber hoses at the front of the underbody heater tubes.
CAUTION: DO NOT apply excessive pressure on heater tubes or connections when removing heater hoses. Excessive pressure may damage or
deform the tubes, causing an engine coolant leak.
6. Disconnect the heater hoses by carefully twisting the hoses back and forth on the rear heater extension tubes, while gently pulling them away from
the end of the tubes.
7. If necessary, carefully cut the hose ends and peel the hoses off of the tubes.
NOTE: Replacement of the heater hoses will be required if the hose ends are cut for removal.
8. Remove the screws that secure the underbody line retaining straps to the vehicle underbody.
9. Remove the underbody heater tubes from the retaining straps.
10. Remove the underbody heater tubes from the vehicle.
INSTALLATION
1. Position the underbody heater tubes onto the vehicle underbody.
2. Install the underbody heater tubes into the underbody line retaining straps.
3. Install the bolts that secure the retaining straps to the vehicle underbody. Tighten the screws securely.
4. Connect the rubber hoses at the front of the underbody heater tubes to the rear heater extension tubes.
5. Using spring tension clamp pliers, compress and slide the clamps that secure the heater hoses over the extension tubes. Release the clamp when it
is correctly positioned over the tube.
6. Connect the rear underbody heater tube quick connections to the rear heater core extension tubes.
7. Lower the vehicle.
8. Refill the engine cooling system.
Underbody Refrigerant Line
REMOVAL
WARNING: REFER TO THE APPLICABLE WARNINGS AND CAUTIONS FOR THIS SYSTEM BEFORE PERFORMING THE
FOLLOWING OPERATION. FAILURE TO FOLLOW THE WARNINGS AND CAUTIONS COULD RESULT IN POSSIBLE PERSONAL
INJURY OR DEATH.
1. Recover the refrigerant from the refrigerant system.
2. Raise and support vehicle.
3. Disconnect the exhaust system from the exhaust hanger rubber isolators and position the exhaust system out of the way.
Underbody A/C Line Front Connections - Typical
4. Disconnect the underbody refrigerant lines from the front liquid and suction line extension tubes and remove and discard the O-ring seals.
5. Install plugs in, or tape over the opened refrigerant line fittings.
6. Remove the screws that secure the underbody line retaining straps to the vehicle underbody.
