ML 430 (163.172) V8-4.3L (113.942) (2000)
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
2
Loosen brake line on the front of radiator
NOTE: Only required for right-hand steering.
3
Loosen ignition cable on the front of the radiator
NOTE: Only required on right-hand drive vehicles with engine 111/112/113.
4
Release coolant overflow from battery shield
5
Disconnect upper coolant hose from electric coolant pump
NOTE: Loosen damp on coolant hose, top.
6
Unscrew nuts from expansion reservoir on firewall
7
Remove expansion reservoir from firewall and put to one side
8
Disconnect coolant delivery/return hoses for heat exchanger (17)
NOTE: Loosen hose clamps on coolant hoses for heat exchanger supply and return.
9
Discharge air conditioning system
NOTE: Installation: Evacuate, refill air conditioning system and check for proper operation and tightness.
10
Unscrew self-locking nut (16) on expansion valve (15)
NOTE: Replace self-locking nut.
11
Disconnect low pressure refrigerant line (13) and high pressure refrigerant line (14) from expansion valve (15)
NOTE: Installation: Replace sealing rings and moisten with compressor oil.
12
Remove instrument panel carrier (4)
13
Unclip ETC control module (N15/3)
14
Disconnect connector from blend air flap actuator (M16/8)
15
Disconnect connector from recirculated air flap actuator (M39)
16
Disconnect evaporator temperature sensor connector (810/6x1)
17
Disconnect series resistor connector (6)
18
Disconnect blower motor connector (5)
19
Remove air conditioning control module (N19)
NOTE: only upto 31.08.01.
20
Unclip cable set at evaporator housing
NOTE: Installation: Ensure cable set is routed correctly.
21
Remove sound deadener (2)
22
Disconnect water drain hose from underside of AC housing (1)
23
Remove evaporator housing (1)
NOTE: Unclip evaporator housing from air distributor and remove upward.
24
Install in the reverse order
25
Inspect cooling system for leaks.