Heating and Ventilation System Servicing (Rear)

Heating and Ventilation System Servicing (Rear)

Rear Heater, Servicing

CAUTION! Before beginning repairs on the electrical system:

- Obtain the anti-theft radio security code.
- Switch the ignition off
- Disconnect the battery Ground (GND) strap.
- After reconnecting battery, re-code and check operation of anti- theft radio. Also check operation of clock and power windows according to Repair Manual and/or Owner's Manual.






1 - Air outlet (in rear passenger compartment or cargo area)
2 - Cover plate
3 - Gasket
4 - Air distribution housing
5 - Rear warm air fan-V47-
6 - Coolant Pipe
7 - T fitting
8 - Coolant hoses in engine compartment
9 - Rear heater control valve
10 - Bleeder screw
11 - Rear heating and ventilation controls
- Where applicable
- Located in left B pillar
With:
- Switch for fresh air blower - rear -E179-
- Rear interior temperature potentiometer -G275-
- Warm air blower switch -E100-
12 - Heating and ventilation controls
With:
- Fresh air blower switch -E9-
- Fresh air/recirculating flap switch -E159
- Rear heater regulation switch -E271-
13 - Sliding door footwell insert
14 - Air intake duct
15 - Hose clamp
16 - Coolant hose, return
17 - Heater blower series resistance -N72-
18 - Coolant hose, supply
19 - Heater core
- Install seals around entire circumference of heater core


NOTE: Always change coolant after repairs.