Drive Pulley: Service and Repair

Removal
1. Open the engine compartment and fit paintwork protection sheets.
2. Remove the supercharger drive belt.





3. Slacken the three screws which secure the water pump pulley.





4. CAUTION: When releasing the belt tension, never apply any torque in a clockwise direction to the pulley centre bolt (left hand thread) as it could subsequently loosen.

Remove the drive belt from the generator and accessory drive.
Use a spanner e.g. Churchill JD - 230 or Snap On XDHM 1415, on the centre bolt of the belt tensioner idler pulley, to turn the adjuster assembly to the left against spring tension.
While holding the tensioner against spring tension, remove the drive belt from the generator pulley. Release the tensioner slowly and remove the spanner.
Disconnect the belt from the other pulleys, as necessary, to move it clear of the pump pulley.





5. Remove the pulley from the water pump.
Remove the pulley securing screws.
Remove the pulley from the water pump.
Clean relevant parts and faces.

Installation
1. Installation is the reverse of the removal procedure. Tighten the pulley securing bolts to 10 - 14 Nm.