Coolant pump - models with air conditioning

COOLANT PUMP - MODELS WITH AIR CONDITIONING

Service repair no - 26.50.01.20

Remove

1. Recover refrigerant from air conditioning system. See REPAIR MANUAL - Air Conditioning, Adjustments.
2. Drain engine cooling system. See Adjustments.

3. Remove Allen bolt securing air conditioning pipe union to compressor.
4. Release air conditioning pipes from compressor and remove ’O’ rings.

CAUTION: Plug the connections.

5. Loosen clips and release top hose from coolant outlet elbow, radiator and thermostat housing.
6. Remove top hose from engine.

7. Loosen clip securing coolant hose to coolant pump cover and release hose.
8. Remove 5 bolts securing pump cover to coolant pump housing.
9. Remove coolant pump cover.
10. Release coolant pump from pump housing.
11. Remove ’O’ rings from coolant pump and cover.

Refit

1. Fit NEW ’O’ rings to coolant pump.
2. Fit coolant pump to pump housing.
3. Position cover to coolant pump and secure with bolts. Tighten bolts to 45 Nm.
4. Connect coolant hose to pump cover and tighten clip.
5. Remove plugs from compressor.
6. Lubricate NEW ’O’ rings with refrigerant oil and fit to compressor.
7. Fit air conditioning pipes to compressor and tighten bolt to 17 Nm.