Defender 90 (LD) V8-4.0L (1997)
NOTE: Before adjusting the steering pump belt, the alternator drive belt must be loosened.
Loosen steering pump pivot nut (1) and adjustment bolt (1).
Ensure pump (2) is free to rotate on mounting, loosen fixings further if necessary.
Carefully lever power steering pump bracket to tension the drive belt.
CAUTION: Do not lever against the steering pump casing - damage to the casing may result in oil leaks.
Tighten pivot nut and adjustment bolt. Tension alternator drive belt.
ALTERNATOR DRIVE BELT.
NOTE: Before adjusting the alternator drive belt ensure the steering pump belt is correctly adjusted.
A positive drive tensioner is fitted to provide greater accuracy when setting the alternator drive belt.
The tensioner eliminates the need to lever alternator when adjusting belt tension.
Adjustment:
Loosen alternator pivot and bolt (1) securing alternator to tensioner.
Loosen two tensioner nuts (2) and bolt (2) securing tensioner to water pump bracket.
Rotate tensioner lead screw (3) to adjust drive belt tension.
Tighten alternator pivot bolts and tensioner nuts and bolt.
If fitting a new belt, run the engine at fast idle for 3-5 minutes, then stop the engine and re-check the deflection.
AIR CONDITIONING COMPRESSOR DRIVE BELT - OPTIONAL.