Auxiliary Water Pump: Service and Repair

HEATER WATER PUMP ASSY

REPLACEMENT




1. DISCONNECT HEATER WATER HOSE C
a. Disengage the clip and disconnect the wire harness.




b. Slide the hose clip and then disconnect the heater water hose C.

NOTE:
- Do not apply excessive force to the heater water hose C.
- Prepare a drain pan or cloth for when the cooling water leaks.




2. REMOVE HEATER WATER PUMP ASSY
a. Disconnect the connector.
b. Remove the 2 bolts and then disconnect the heater water pump assy.




c. Slide the hose clip and then disconnect the heater water hose A.
d. Remove the heater water pump assy.

NOTE:
- Do not apply excessive force to the heater water hose A.
- Prepare a drain pan or cloth for when the cooling water leaks.




3. INSTALL HEATER WATER PUMP ASSY
a. Install the heater water hose A with the hose clip.

NOTE:
- Ensure that the hose ditch faces upwards.
- Install the hose clip in the direction as shown in the illustration.




b. Install the heater water pump assy with the 2 bolts.

NOTE: Tighten them in the order indicated in the illustration.

c. Connect the connector.




4. INSTALL HEATER WATER HOSE C
a. Install the heater water hose C with the hose clip.

NOTE:
- Install the hose marking facing upwards.
- Install the hose clip in the direction as shown in the illustration.

5. ADD ENGINE COOLANT
6. CHECK FOR ENGINE COOLANT LEAKS