Golf Mk5
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When removing, observe lengths and location of bolts to ensure they are reinstalled in the correct position. |
1 - | Bolt |
q | 4.5 ± 0.7 Nm. |
q | Lower right on cable retainer to heater and air conditioning unit, near plenum chamber bulkhead |
2 - | Bolts |
q | 4.5 ± 0.7 Nm. |
3 - | Cable retainer |
4 - | Heater and air conditioning unit |
q | Removing: |
– | Take condensation water drainage hose off heater and air conditioner unit → Chapter. |
– | Disconnect connectors from heater and air conditioner unit. |
Note
t | Install all cable ties and other fasteners for wiring harness at the same places from which they were detached or cut when air conditioner was removed. |
t | The air conditioning wiring harness is removed along with the heater and air conditioning unit. |
– | Unscrew 2 securing nuts from convenience system central control unit -J393- and hang central control unit to side → Vehicle electrics; Rep. gr.97. |
– | Remove bolts -6- and remove bracket -5-. |
– | Unscrew bolts -8- and -10- and remove supports -9- and -11-. |
– | Unscrew bolts -12- and -14- and remove bracket -13-. |
– | Unscrew bolts -1- and -2- from cable retainer -3-. |
Note
t | To reach bolt -1-, pull heater and air conditioning unit on driver side slightly away from bulkhead. |
t | When removing heater unit, observe both coolant pipes to heat exchanger so that they do not catch on opening to plenum chamber or noise insulation tray and become bent or damaged. |
t | Also observe wiring harness. Pulling it too hard could damage individual connections. |
– | Remove heater and air conditioning unit. |
Installing: |
Installation is carried out in the reverse order. When installing, note the following: |
Note
The aid of a second mechanic is required to install the heater unit. |
– | Have second mechanic guide both coolant pipes to heat exchanger (from engine compartment) through seal when installing heater unit → Fig.. |
– | When installing, ensure that condensation water drainage hose is correctly seated → Chapter. |
– | Fill with coolant → Engine; Rep. gr.19. |
– | Refilling with refrigerant R134a and refrigerant oil → Chapter. |
5 - | Bracket |
6 - | Bolts |
q | 8 Nm. |
7 - | Assembly carrier |
8 - | Bolts |
q | 9 ± 1.3 Nm. |
9 - | Right support |
10 - | Bolts |
q | 20 ± 3 Nm. |
11 - | Left support |
12 - | Bolts |
q | 9 ± 1.3 Nm. |
13 - | Bracket |
14 - | Bolts |
q | 9 ± 1.3 Nm. |
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