Thermostat

THERMOSTAT

Service repair no - 26.45.09

Remove

1. Disconnect battery earth lead.
2. Drain cooling system, See Adjustments.

3. Loosen clip and disconnect heater hose from thermostat housing.
4. Remove 2 bolts securing coolant rail to cylinder block.
5. Release coolant rail from thermostat housing.
6. Remove bolt securing thermostat housing to cylinder block.
7. Release thermostat housing from coolant pump and remove thermostat housing.

8. Remove and discard 2 ’O’ rings from thermostat housing outlets.
9. Remove 3 bolts securing cover to thermostat housing.
10. Remove thermostat housing cover.
11. Remove thermostat from housing.
12. Remove rubber seal from thermostat.

Refit

1. Examine thermostat rubber seal for signs of deterioration or damage, renew if necessary.
2. Fit rubber seal to thermostat.
3. Clean mating faces of thermostat and cover.

4. Align thermostat to shoulder in thermostat housing.
5. Fit thermostat housing cover and tighten bolts to 9 Nm.
6. Clean ’O’ ring grooves on thermostat housing outlets.
7. Lubricate NEW ’O’ rings with rubber grease and fit to thermostat housing outlets.
8. Position thermostat housing to coolant pump and push into place.
9. Align dipstick tube bracket to thermostat housing.
10. Fit bolt securing thermostat housing to cylinder block and tighten to 9 Nm.
11. Connect coolant rail to thermostat housing.
12. Align coolant rail to cylinder block, fit bolts and tighten to 9 Nm.
13. Connect heater hose to thermostat housing and tighten clip.
14. Refill cooling system. See Adjustments.
15. Connect battery earth lead.