Operation CHARM: Car repair manuals for everyone.

Heater Hose: Service and Repair

REMOVAL
The heater hoses attach at the engine compartment cowl onto the heater core inlet/outlet and on the left side of the engine.

The hoses are attached using spring tension clamps.

NOTE: Review Safety Precautions and Warnings before proceeding with this operation.

1. Drain engine cooling system.

Fig.16 Heater Hose At Heater Core:




2. Using thin slide-jaw pliers, pinch the quick connect fitting to release and enable the fitting to be moved so the hose can be removed.
3. Carefully rotate hose back and forth while tugging slightly away from connector nipple.

CAUTION: When removing hoses from heater core inlet or outlet nipples, do not use excessive force. Heater core may become damaged and leak engine coolant into heater unit.

INSTALLATION
1. Squeeze open the clamp and slip hose over nipple.
2. Follow this procedure for the remaining hoses.
3. Refill the cooling system as required.