Compressor Clutch: Service and Repair

Disassembly And Assembly:

DISASSEMBLY SERVICE POINT

<> NUT REMOVAL

Use special tools MB991367 and MB991386 to hold the magnetic clutch, and remove the nut.

ASSEMBLY SERVICE POINTS

>>A<< CLUTCH COIL INSTALLATION
When installing the clutch coil to the A/C compressor body, install so that the pin hole of the A/C compressor body and the clutch coil projection are aligned.

>>B<< SNAP RING INSTALLATION
Install the snap ring so that the tapered surface is to the outside.

>>C<< ARMATURE PLATE INSTALLATION
Align the serration protrusion on the crankshaft with the notch on the armature and install.

>>D<< NUT INSTALLATION
Use special tools MB991367 and MB991386 to hold the magnetic clutch, and tighten the nut in the same manner as for removal.

>>E<< AIR GAP ADJUSTMENT
Check whether or not the air gap of the clutch is within the standard value.

Standard value:
- <2.4L engine> 0.3 - 0.5 mm (0.012 - 0.020 inch)
- <3.0L engine> 0.4 - 0.6 mm (0.016 - 0.024 inch)

NOTE: If there is a deviation of the air gap from the standard value, make the necessary adjustment by adjusting the number of shims.