Bulkhead Workshop › Land Rover models › Range Rover P38 4.0 / 4.6 V8 › Workshop guide › Check gearbox, transfer & axle oil levels

Range Rover P38 4.0 / 4.6 V8: check gearbox, transfer & axle oil levels

Transmission · Range Rover P38 (1994–2002) · 1994–2002

How often: every 12,000 mi or year, whichever comes first. Low oil in the transfer box or diffs wears gears and bearings quickly.

Main gearbox	Automatic: ZF 4HP24 (4.0) or GM 4L80-E (4.6): ATF Dexron III, ≈9.7 L from dry · manual R380 (4.0): ≈2.7 L
Transfer box	Borg Warner 44-62 chain-drive box with viscous coupling, ≈2.3 L: use the fluid in your handbook (it is not the LT230 oil)
Differentials	80W-90 hypoid, ≈1.7 L each axle

Work safely: support the vehicle on axle stands, never a jack alone; let it cool first. Check figures against your workshop manual. You do this work at your own risk.

Parts

Gear oil / ATF top-up

Tools

Spanners
Oil pump

Step by step

Park level. Remove the level plugs on the gearbox, transfer box and both diffs in turn and top up each.
Check the transfer box output seals: oil leaking onto the handbrake drum (rear of the transfer box) stops the handbrake working.
Check the axle and gearbox breather pipes are not kinked or blocked.

More Range Rover P38 4.0 / 4.6 V8 servicing

Engine oil & filter change every 12,000 mi or year
Air filter element every 12,000 mi or year
Plugs, leads & ignition timing every 12,000 mi or year
Fuel injection checks & fuel filter every 12,000 mi or year
Fan / auxiliary belt check every 12,000 mi or year
Coolant drain, flush & refill every 2 yrs
Grease propshafts every 6,000 mi or 6 months
Change gearbox & transfer box oil every 24,000 mi or 2 yrs
Change front & rear axle oil every 24,000 mi or 2 yrs
Steering & power steering check every 12,000 mi or year
Inspect pads, discs & brake hoses every 12,000 mi or year
Adjust transmission handbrake every 12,000 mi or year
Brake & clutch fluid change every 2 yrs
Suspension bushes, arms & dampers every 12,000 mi or year
Wheel bearings & hub seals every 24,000 mi or 2 yrs
Automatic gearbox fluid & filter change every 24,000 mi or 2 yrs
Borg Warner transfer box & viscous coupling check every 24,000 mi or 2 yrs
Air suspension check (EAS) every 12,000 mi or year
Chassis & bulkhead inspection, rust-proofing every year
Annual safety inspection every year
Monthly walk-round checks every month

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