Auxiliary Water Pump: Service and Repair

AUXILIARY COOLANT FLOW PUMP







Removal and Installation
1. With the vehicle in NEUTRAL, position it on hoist.
2. Remove the engine air cleaner outlet tube.
3. Drain the engine coolant.







4. Release the clamp and disconnect the upper radiator hose.
5. Release the auxiliary coolant flow pump-to-engine hose clamp and disconnect the hose.
6. Release the auxiliary coolant flow pump-to-heater hose and tube assembly hose clamp and disconnect the hose.
7. Disconnect the auxiliary coolant flow pump electrical connector.
8. Remove the 2 auxiliary coolant flow pump bolts.
- To install, tighten to 5 Nm (44 lb-in).

9. Remove the auxiliary coolant flow pump.
10. To install, reverse the removal procedure.
- Clean and lubricate the coolant hoses with plain water only, if needed.

11. Fill the engine cooling system.