CL 55 AMG (215.374) V8-5.5L SC (113.991) (2004)
Thermostat: Service and Repair
Remove/Install Coolant Thermostat
Illustrated On Engine 113.992
Remove/Install
DANGER:
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Risk of injury to skin and eyes suffering scalding from contact with hot coolant spray, Risk of poisoning from swallowing coolant.
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Do not open cooling system unless coolant temperature is below 90 degrees C. Open cap slowly and release the pressure. Do not pour
coolant into beverage bottles.
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Wear protective gloves, protective clothing and eye protection.
1
Drain coolant at radiator
CAUTION: See notes on coolant.
2
Remove upper engine cover (2)
NOTE: Detach engine cover on both air cleaner boxes and at bracket toward top.
3
Detach coolant hose (3)
CAUTION: Inspect condition of coolant hose and hose clamp. Install new parts if necessary in order to avoid a loss of coolant.
4
Remove poly-V-belt of compressor (8)
5
Remove poly-V-belt (9)
6
Unscrew bolts of coolant thermostat housing (5)
7
Take off coolant thermostat housing (1) together with coolant thermostat
CAUTION: Installation: Replace sealing ring, in order to avoid loss of coolant.
Inspecting
8
Test coolant thermostat
9
Install in the reverse order
10
Inspect cooling system for leaks