Special Tools
J 38185  Hose Clamp Pliers
Removal Procedure
- Drain the cooling system. Refer to 
Cooling System Draining and Filling.
 
- Remove the hose clamps from the heater inlet and outlet using the 
J 38185 .
 
- Remove the auxiliary heater pipes from the heater inlet and outlet.
 
- Raise the vehicle. Refer to 
Lifting and Jacking the Vehicle.
 
- Remove the hose clamps from the auxiliary heater core using the 
J 38185 .
 
- Remove the auxiliary heater pipes (2, 3) from the auxiliary heater core.
 
- Remove the auxiliary heater pipe retaining nut (1, 4).
 
- Remove the auxiliary heater pipes.
 
Installation Procedure
- Install the auxiliary heater pipes.
 
Caution: Refer to Fastener Caution in the Preface section.
- Install the auxiliary heater pipe retaining nuts (1, 4).
 
Tighten
Tighten the nuts to 11 N·m (97 lb in).
- Install the auxiliary heater pipes (2, 3) to the auxiliary heater core.
 
- Install the hose clamps to the auxiliary heater core using the 
J 38185 .
 
- Lower the vehicle. Refer to 
Lifting and Jacking the Vehicle.
 
- Install the auxiliary heater pipes to the heater inlet and outlet.
 
- Install the hose clamps to the heater inlet and outlet using the 
J 38185 .
 
- Fill the cooling system. Refer to 
Cooling System Draining and Filling.