Land Rover Discovery: Four-wheel Drive Systems - Vehicles With
Land Rover Discovery (2009–2016) Service Manual / Powertrain / Automatic Transmission Transaxle / Four-wheel Drive Systems - Vehicles With
- Four-Wheel Drive Systems - Vehicles With- Active Driveline Transfer Case Draining and Filling (G1964387) General Procedures
- Four-wheel Drive Systems - Vehicles With- Active Driveline/ Description and Operation
- Power Transfer Unit (PTU)
- Rear Drive Unit (RDU)
- All Wheel Drive Control Module (AWDCM)
- Four-wheel Drive Systems - Vehicles With- Active Driveline - Operation
- Four-wheel Drive Systems - Vehicles Without- Active Driveline/ Description and Operation
Automatic Transmission Transaxle
/ RoutinesFour-Wheel Drive
Systems - Vehicles
With- Active
Driveline Transfer
Case Draining and
Filling (G1964387)
General Procedures
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Four-Wheel Drive
Systems - Vehicles
With- Active
Driveline Transfer
Case Draining and
Filling (G1964387)
General Procedures
DRAINING
WARNING:
Make sure to support the vehicle with axle stands.
CAUTION:
Make sure the vehicle is on a flat level surface.
Raise and support the vehicle.
Remove the engine undershield.
Refer to:
Four-wheel Drive Systems - Vehicles With- Active Driveline/ Description and
Operation
COMPONENT LOCATION - VEHICLES WITH ACTIVE DRIVELINE
NOTE:
Automatic transmission shown, manual transmission similar
Power Transfer Unit (PTU)
Driveshaft
Rear Drive Unit (RDU)
Hydraulic lines
O
Power Transfer Unit (PTU)
Breather and tube
Drive flange
Hydraulic pressure line from AWD valve block (P4)
Hydraulic pressure line from AWD valve block (P3)
Input shaft
Left cover
Casing
Engine mounting bracket
Rig
SEE MORE:
Front Door Latch (G1791773)
/ Removal and
Installation
REMOVAL
NOTE:
Removal steps in this procedure may contain installation details.
Refer to: Exterior Front Door Handle (501-14 Handles, Locks,
Latches and Entry Systems, Removal and Installation).
WARNING:
To avoid accidental deployment, the restraints control
module backup power supply must be deplet
Engine System - General Information Bearing Inspection (G61255) / General
Procedures
GENERAL PROCEDURES
Inspect bearings for the following defects.
Cratering - fatigue failure
Spot polishing - incorrect seating.
Imbedded dirt engine oil.
Scratching - dirty engine oil
Base exposed - poor lubrication.
Both edges worn - journal damaged.
One edge worn - journal tapered or bear
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