Discovery I (LJ) V8-3.9L (1994)
Flywheel: Service and Repair
Flywheel And Starter Ring Gear
Flywheel - remove
1. Restrain crankshaft and remove 6 bolts securing flywheel.
2. Remove flywheel.
NOTE: Dowel located.
Flywheel and starter ring gear - inspection
1. Inspect flywheel face for cracks, scores and overheating. The flywheel can be refaced providing thickness does not go below minimum.
Flywheel minimum thickness A = 39.93 mm (1.6 in)
2. Inspect ring gear for worn, chipped and broken teeth.
CAUTION: Do not attempt to remove reluctor ring - if fitted.
3. Renew ring gear if necessary.
Starter ring gear - renew
1. Drill a 9.5 mm (0.375 in) diameter hole axially at base of tooth and inner diameter of starter ring, sufficiently deep enough to weaken ring gear.
CAUTION: Do not allow drill to enter flywheel.
2. Secure flywheel in soft jawed vice.
3. Split ring gear using a cold chisel.
WARNING: wear safety goggles and take precautions against flying fragments when splitting ring gears.
4. Remove flywheel from vice, remove old ring gear, and place flywheel, clutch side down, on a flat surface.