Golf Mk4
| Repairing Zexel air conditioner magnetic coupling -N25- |
| Special tools and workshop equipment required |
| t | Pin wrench -VAS 3212- |
| t | Magnetic coupling puller -V.A.G 1719/- |
| t | Assembly tool for magnetic coupling -1719/1- |
| t | Assembly tool for magnetic coupling -1719/2- |
| t | Torque wrench -V.A.G 1331/- (5...50 Nm) |
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Note| t | It is not necessary to open the refrigerant circuit to repair the air conditioning system magnetic coupling -N25-. |
| t | Repairs on air conditioning system magnetic coupling -N25- with the compressor still installed should be performed only as an exception. |
| t | If the air conditioner compressor has to be removed, take the vehicle to a workshop with suitable equipment and specially trained mechanics because the refrigerant must be extracted using, for example, air conditioning service station -VAS 6007A-. |
| 1 - | Hexagon combi-bolt |
| q | 15 Nm. |
| q | Removing and installing → Chapter. |
| 2 - | Coupling disc |
| q | Pulling off → Chapter. |
| 3 - | Spacers |
| q | To adjust clearance between coupling and poly V-belt pulley. |
| q | Gap: 0.3...0.6 mm. |
| q | Checking clearance → Chapter. |
| 4 - | Circlip |
| q | Renew. |
| q | Install correctly: flat side faces air conditioner compressor. |
| q | Ensure that it is seated correctly in groove. |
| 5 - | Poly V-belt pulley |
| q | Pulling off → Chapter. |
| q | Installing → Chapter. |
| 6 - | Circlip |
| q | Renew. |
| q | Install correctly: flat side faces air conditioner compressor. |
| q | Ensure that it is seated correctly in groove. |
| 7 - | Solenoid |
| q | Installing → Chapter. |
Note| An overheating fuse is installed in the solenoid. The overheating fuse interrupts the solenoid as soon as the magnetic coupling overheats (for example due to a stiff or tight compressor). |
| 8 - | Felt ring |
| q | Renew. |
| 9 - | Bolt |
| 10 - | Air conditioner compressor |
| q | Manufacturer Zexel |