PRE-RELEASE
Thermostat
| Thermostat |
| To remove |
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Warning
| Important | ||
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Always use wing covers when working in the engine bay. |
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| 1. |
Drain the coolant. See
Draining, cooling system
.
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| 2. |
Remove the bolt from the coolant pipe mounting on the front of the engine.
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| 3. |
Slightly loosen the rear bolt holding the coolant pipe to the engine block.
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| 4. |
Lower the car.
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| 5. |
Remove the battery and
Battery cover, bottom, B284
.
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| 6. |
Move the coolant reservoir aside.
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| 7. |
Remove the upper heat shield of the catalytic converter.
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| 8. |
Remove the lower heat shield of the catalytic converter.
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| 9. |
Detach the cable duct from the gearbox and move the duct aside.
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| 10. |
Remove the bolt holding the coolant pipe to the radiator assembly.
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| 11. |
Detach the pipe from the thermostat housing. Collect any spill.
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| 12. |
Detach the coolant pipe running from the thermostat housing to the radiator.
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| 13. |
Remove the thermostat housing.
Aut
: At the same time, press the coolant pipe to the radiator forward.
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| To fit |
| 1. |
Clean gasket residue from the sealing surface of the engine block.
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| 2. |
Fit the thermostat housing using a new seal. Fasten the seal with vaseline on the engine block.
Tightening torque 10 Nm (7 lbf ft) 
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| 3. |
Attach the coolant pipe using a new O-ring lightly coated with vaseline. Do not tighten the bolt until the front mounting is fitted.
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| 4. |
Attach the pipe to the heater assembly using a new O-ring lightly coated with vaseline.
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| 5. |
Fit the bolt holding the coolant pipe to the radiator assembly.
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| 6. |
Fit the cable duct to the gearbox.
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| 7. |
Raise the car.
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| 8. |
Fit the bolt of the coolant pipe mounting.
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| 9. |
Tighten the bolt of the heater assembly pipe.
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| 10. |
Lower the car.
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| 11. |
Tighten the bolt of the coolant pipe to the thermostat housing.
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| 12. |
Pressure test the cooling system, see
Cooling system, pressure testing
.
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| 13. |
Fit the lower heat shield of the catalytic converter.
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| 14. |
Fit the upper heat shield of the catalytic converter.
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| 15. |
Fit the coolant reservoir.
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| 16. |
Fit
Battery cover, bottom, B284
.
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| 17. |
Fit the battery.
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| 18. |
Top up the coolant. See
Bleeding and charging the cooling system, B284
.
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| 19. |
Carry out
Procedures after reconnecting the battery
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