Engines: AEG, AVH And AZG (from Model Year 1999)
NOTE:
- Coolant hose connection diagram, AEG, see Engines: AEG, APK And AQY .
- Coolant hose connection diagram from engines AVH and AZG, see Engines: AVH, AZG, BBW, BEV And BHP .
NOTE:
The following list refers to items in Fig 1.
- To top of expansion tank
- O-ring
- Replace if damaged
- Connection heater heat exchanger
- Connector
- 4-pin
- Wiring chamber 3 and wiring chamber 4 for Engine Coolant Temperature (ECT) sensor -G62-
- Gold plated contacts for ECT -G62-
- Engine Coolant Temperature (ECT) sensor -G62-
- For engine control module
- With Engine Coolant Temperature (ECT) Sensor -G2-
- Gold plated contacts for Engine Coolant Temperature (ECT) Sensor -G62-
- Release pressure in coolant system if necessary, before removing components
- Retaining clip
- Check seated securely
- From heat exchanger
- Coolant hose connection diagram, AEG engine. See Engines: AEG, APK And AQY .
- Coolant hose connection diagram for engines AVH and AZG. See Engines: AVH, AZG, BBW, BEV And BHP .
- Coolant pipe
- From ATF radiator (automatic transmission) or shape hose
- 10 Nm
- To bottom of expansion tank
- O-ring
- Always replace
- Union
- To top of radiator
- From bottom of radiator
- Oil cooler
- Ensure clearance to adjacent components
- 15 Nm
- Coolant thermostat
- Checking: Heat up thermostat in water
- Starts to open at approx. 86° C
- Opening stroke: min. 7 mm
- Removing and installing. See THERMOSTAT, REMOVING AND INSTALLING .
- Toothed belt
- Mark direction of rotation before removing
- Check for wear
- Do not kink
TOOTHED BELTS, REMOVING, INSTALLING AND TENSIONING AEG, AVH, AZG & BEV
- Coolant pump
- Check for ease of movement
- If damaged or leaking replace complete
- Removing and installing. See COOLANT PUMP, REMOVING AND INSTALLING .
- Rear toothed belt guard
- 20 Nm
- Throttle valve control module
- Heated by coolant