Engine Coolant Heater, Component Location
The illustrations in this service information are used for different model years and/or models. Some variation may occur. However, the essential information in the illustrations is always correct.
Scheme 1
The engine coolant heater is located inside the front fender, in front of the front left wheel arch.
Scheme 2
Components
- Control module
- Fan shroud
- Heat exchanger
- Fuel pump (FP) (in front of the fuel tank)
- Water pump.
Scheme 3
Components on the engine coolant heater
- Coolant temperature sensor
- Flame sensor
- Overheat protection thermostat
- Glow plugs.
The information below applies to cars manufactured up to week 38 2001 inclusive.
Information for cars manufactured from week 39 2001 inclusive. See Engine Coolant Heater, Component Location .
Location in the car
The heater is located inside the front fender, in front of the front left wheel arch.
Scheme 4
Components
- Control module
- Fan shroud
- Heat exchanger
- Fuel pump
- Water pump
Scheme 5
Heater components
- Coolant temperature sensor
- Flame sensor
- Overheat protection thermostat
- Glow plugs
Scheme 6
- Dashboard environment panel
- Outside temperature sensor
- Passenger compartment temperature sensor (ECC)
- Sun sensor (ECC)
- Climate control unit
- Air quality sensor
- Multifilter/filter.
Scheme 7
- Heat exchanger
- Evaporator
- Blower fan motor
- Power unit
- Air distribution damper motor
- Damper motor temperature right
- Damper motor temperature left
- Recirculation damper motor
- Defroster damper motor (ECC)
- Coolant pipe connection; to and from the engine compartment
- Temperature sensor evaporator (left-hand drive cars)
- Temperature sensor evaporator (right-hand drive cars).
Scheme 8
- Compressor
- Compressor - Condenser hoses and pipes
- Condenser
- Hoses and pipes at the junction point of the side member - compressor
- Pipe at the expansion valve - junction point side member
- Expansion valve
- Pipe at the receiver - expansion valve
- Intermediate pipe at the receiver - member/expansion valve
- Receiver
- Service valve
- Service valve filling/emptying
- 12 Pressure sensor.
Climate Control, Location Of Components
The illustrations in this service information are used for different model years and/or models. Some variation may occur. However, the essential information in the illustrations is always correct.
Scheme 9
- Climate control unit
- Outside temperature sensor
- Passenger compartment temperature sensor (ECC)
- Sun sensor (ECC)
- Climate control unit
- Air quality sensor
- Multifilter/filter.
Scheme 10
- Heat exchanger
- Evaporator
- Fan motor
- Power unit
- Damper motor module (DMM) air distribution
- Damper motor module (DMM) temperature right
- Damper motor module (DMM) temperature left
- Damper motor module (DMM) recirculation
- Damper motor module (DMM) defroster
- Coolant pipe terminal; to and from the engine compartment
- Temperature sensor, evaporator (left-hand drive cars)
- Temperature sensor, evaporator (right-hand drive cars).
Scheme 11
- Fan motor
- Evaporator
- Switch, fan speed
- Evaporator housing, lower
- Drain hose
- Pipe at the rear expansion valve - engine compartment
- Cable harness