Repairing air conditioning system magnetic clutch, Sanden — AUDI

🧭 Before you start

Fits: VW Caddy IV (SA, 2015–2020)

• Timing position: the crankshaft or camshaft is set and locked during this job
• Special tools named: puller, locking pin

📋 Procedure

1. Remove hexagon nut.
2. ⚠ There are two versions of hexagon nuts.The air conditioning system magnetic clutch N25 can come loose or the thread of the air conditioner compressor can be damaged.Observe torque settings of hexagon nuts. — Release clutch plate carefully with two screwdrivers (A) and remove.
3. Position commercially available two-arm puller (A) on shoulder (B) and pull off poly V-belt pulley.
4. Remove solenoid.
5. Fit solenoid (A) to air conditioner compressor.

6. Place locking pin (C) in recess of solenoid (A).
7. Redetermine clearance of air conditioning system magnetic clutch N25 after assembly.
8. Measure distance between poly V-belt pulley (2) and clutch plate (3) with a depth gauge (1), and note measurement.
9. Separate connector (4) on air conditioner compressor.
10. Attach connector (4) to positive terminal of vehicle battery using an auxiliary cable.
11. Measure distance between poly V-belt pulley (2) and clutch plate (3) with a depth gauge (1), and note measurement.
12. Determine clearance. [Note: The clearance must lie within the specified tolerances over the complete circumference.The clearance can also be measured when the air conditioner compressor is installed.If the clearance is outside of the specifications, remove the coupling disc and adjust the clearance by removing or adding spacers.]

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• Checking fuel system diagnostic pump V144 - vehicles with 8-cylinder MPI engine
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