Oil pressure relief valve

OIL PRESSURE RELIEF VALVE

Service repair no - 12.60.56

Remove

1. Remove auxiliary drive belt tensioner. See ELECTRICAL, Repairs.

2. Remove plug nut from oil filter head.
3. Remove spring and valve.

Refit

1. Renew relief valve as an assembly.
2. Clean valve seating inside oil filter head.
3. Lubricate valve and seating.
4. Fit valve and spring to pump.
5. Fit valve, spring and cap to filter head.
6. Fit plug nut and tighten to 25 Nm.

CAUTION: Do not attempt to re-seal and fit original plug nut.

7. Fit auxiliary drive belt tensioner. See ELECTRICAL, Repairs.
8. Check engine oil level, top-up if necessary. See MAINTENANCEMaintenance.

OIL COOLER

Service repair no - 12.60.68

Remove

1. Remove radiator. See COOLING SYSTEM - ’L’ SERIES, Repairs.
2. Position container to collect fluid loss from oil cooler.
3. Loosen clip and disconnect coolant hose from thermostat.

4. Loosen bolt clamp oil cooler pipes together.
5. Using a 22 mm open ended spanner loosen oil pipe unions on cooler.
6. Disconnect oil pipes from cooler, remove and discard 2 ’O’ rings.

CAUTION: Plug the connections.

7. Remove 3 bolts securing oil cooler to cylinder block.
8. Loosen clip and remove radiator bottom hose from oil cooler.
9. Loosen clip and remove thermostat hose from oil cooler.
10. Remove oil cooler.