Operation CHARM: Car repair manuals for everyone.

Heater Control Valve: Service and Repair

HEATER CONTROL VALVE AND HEATER HOSES

REMOVAL AND INSTALLATION

NOTE: Lubricate the coolant hoses with plain water only if needed.

1. Position the vehicle on a hoist with the gear selector in NEUTRAL.
2. Remove the engine air cleaner outlet tube.
3. If removing the heater tube assembly, remove the fresh air inlet duct.
4. If removing a heater hose or the heater tube assembly, drain the engine cooling system.
5. If removing the dual coolant control valve or the auxiliary coolant flow pump, clamp off the heater hoses at the component before disconnecting.







6. To remove individual components, only carry out the listed steps.


Illustration 1 Of 2, Part 1:






Illustration 1 Of 2, Part 2:






7. Illustration 1 of 2. Remove the components in the order indicated in the illustration and table.


Illustration 2 Of 2:






8. Illustration 2 of 2. Remove the components in the order indicated in the illustration and table.
9. Fill the engine cooling system.