COOLANT PUMP MAINTENANCE.
This task covers:
Tool Kit, General Mechanic's
Disconnect negative battery cable from right battery and the positive
battery cable from the left battery before doing the following
procedures. Failure to observe this warning could result in severe
personal injury or death.
Disconnect negative battery cable.
Remove electrical cover (1), Figure 4-31 and 12-pin connector (2).
Remove 12-pin connector (2) and push out pins (3) to coolant pump (6).
Remove clamp (7) attaching pump (6) to heater (8).
Loosen clamp (4) and remove outlet hose (5) from pump (6), using a container to catch coolant from hose.
Perform steps 1 thru 5 of removal.
Perform steps 1 thru 6 of installation, substituting new coolant pump for the defective one.
Attach coolant pump (6) with clamp (7) to heater (8).
Apply sealant to outlet and attach hose (5) with clamp (4).
Push in 2 pins (3) with wire through 12-pin connector (2).