ive just been out and tried it i can get all gears just no drive i put it in diff lock high and low and i get drive but dont get drive in normal high low range
LOGIC!!
If you have DRIVE when the centre diff is LOCKED, then we can be SURE that both half shafts and the differential in at least ONE axle MUST be intact.
Because you have no drive when the centre diff is FREE, ONE of the two prop-shafts MUST be spinning when you try to drive off. This can happen if ONE (or both) of the wheels on that axle are not driving.
Apply the handbrake.
Place transfer box in HI and Diff NOT locked.
Start engine.
Get an assistant to watch the front propshaft from a safe position at the side - where he won't be run over if the car moves.
Engage first gear and ease up the clutch and ask him to shout if the front propshaft starts turning.
If it does, almost certainly one of the front halfshafts or a UJ is broken, or the front diff is jiggered, which is less than likely.
If the front propshaft doesn't turn, the REAR propshaft will be turning, and one of the REAR halfshafts is probably sheared - broken, or the rear diff is jiggered, which is less than likely.
Diagnosis is 90% logic and 10% luck.
CharlesY
