Diesel Data: Automotive Repair

Auxiliary Water Pump: Testing and Inspection








AIR CONDITIONING: HEATER WATER PUMP: INSPECTION

INSPECTION

1. INSPECT HEATER WATER PUMP ASSEMBLY





(a) Connect the positive (+) lead terminal 1 of the heater water pump assembly connector and the negative (-) lead to terminal 2.
OK:
Heater water pump operates smoothly.
NOTICE: Complete operation within 10 seconds if there is no water in the heater water pump assembly.
If the result is not as specified, replace the heater water pump assembly.