Daewoo NUBIRA - Coolant Pump Inspection Cleaning Procedure; Coolant Pump Removal

1D – 10IENGINE COOLING
DAEWOO V–121 BL4
COOLANT PUMP
Removal Procedure
1. Drain the engine cooling system to a level below
the thermostat housing. Refer to ”Draining and Re-
filling the Cooling System” in this section.
2. Remove the timing belt. Refer toSection 1C, DOHC
Engine Mechanical.
3. Remove the timing belt tension roller retaining bolt.
4. Remove the timing belt tension roller.
5. Remove the coolant pump mounting bolts.
6. Remove the coolant pump from the engine block.
7. Remove the ring seal from the coolant pump.
Inspection Cleaning Procedure
1. Inspect the coolant pump body for cracks and
leaks.
2. Inspect the coolant pump bearing for play or abnor-
mal noise.
3. Inspect the coolant pump pulley for excessive wear.
If the coolant pump is defective, replace the coolant
pump as a unit.
4. Clean the mating surfaces of the coolant pump and
the engine block.