SLK 230 (170.447) L4-2.3L SC (111.973) (2000)
Thermostat: Service and Repair
Removing And Engine Installing Coolant Thermostat
1
Drain coolant
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at radiator
2
Remove upper front cover
3
Unscrew charge air pipe bracket from cover (27)
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Engine 111.944/975 with aluminum intake manifold
4
Disconnect coolant hoses (2 and 4)
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Check condition of coolant hoses and coolant damps and replace if necessary.
5
Unscrew and remove cover (27) of coolant thermostat housing (30) with coolant thermostat (27a)
CAUTION:
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The coolant thermostat (27a) must not be removed from the cover (27). It will be damaged beyond repair.
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It cannot be re-installed.
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In the event of a repair being necessary the cover (27) is included in the supply of the coolant thermostat (27a).
NOTE: Installation: Replace O-ring (29).
6
Install in reverse order
7
Check cooling system for leaks.