Golf Mk4
| Repairing heating system |
| Before beginning repair work, perform the following steps: |
| t | Switch off all electrical consumers. |
| t | Switch off ignition. |
| t | Pull out ignition key. |
| 1 - | Side window vent |
| q | Removing → Chapter. |
| 2 - | Vent |
| q | Removing → Chapter. |
| 3 - | Defroster vent |
| q | Removing and installing → Rep. Gr.70. |
| 4 - | Controls for fresh and heated air |
| q | With fresh air blower switch -E9-. |
| q | With fresh air and air recirculation flap switch -E159-. |
| q | Removing and installing → Chapter. |
| q | Dismantling and assembling → Chapter. |
| q | Installing and adjusting cables → Chapter. |
| 5 - | Intermediate piece |
| 6 - | Dash panel cross member |
| q | Detaching and attaching → Chapter. |
| 7 - | Dust and pollen filter |
| q | With activated charcoal filter. |
| q | Removing and installing → Chapter. |
| 8 - | Fresh air and air recirculation flap control motor -V154- |
| q | Removing and installing → Chapter. |
| 9 - | Fresh air blower -V2- |
| q | Removing and installing → Chapter. |
| 10 - | Fresh air blower series resistor with overheating fuse -N24- |
| q | Removing and installing → Chapter. |
| 11 - | Heater unit |
| q | Removing → Chapter. |
| q | Dismantling and assembling heater unit → Chapter. |
| 12 - | Centre trim |
| 13 - | Footwell vent |
| q | Passenger side only. |
| 14 - | Rear duct |
| q | Removing: |
| 15 - | Seal |
| 16 - | Connecting piece |
| q | With driver side footwell vent. |
| q | Removing → Chapter. |
| 17 - | Cables |
| q | Installing and adjusting → Chapter. |
| 18 - | Heat exchanger |
| q | Renewing: |
| l | First remove the dash panel and then the dash panel cross-member to remove the heater unit → Rep. Gr.70. |
| q | Installing heat exchanger: dismantling and assembling heater unit → Chapter. |
Note| After repairs, completely renew coolant. |
| 19 - | Heat exchanger/bulkhead seal |
| q | Note installation position → Chapter. |
| 20 - | Intermediate piece, defrost |
| q | Renewing: |
| l | Removing and installing dash panel → Rep. Gr.70. |
| l | Remove dash panel cross member → Chapter |
| q | Note installation position → Chapter. |