Range Rover County LWB (LH) V8-4.2L (1993)
Axle Nut: Technical Service Bulletins
Hub Nut - Revised Torque Setting Procedure
12/13/96
51/04/96/US
SUBJECT:
New Torque Setting Procedure - Hub Nut
MODEL:
Classic
Discovery
Defender
AFFECTED VEHICLES:
LP
LH
All
LJ
All
LD
All
DETAIL
A standard torque specification has been adopted for Range Rover Classic, Discovery and Defender models. A new process for preloading the bearing
has been introduced in conjunction with this common specification. The new procedure and specification will improve hub bearing reliability.
ACTION REQUIRED
Information only: whenever overhauling hubs, or if end float is evident, use the new process detailed below. The workshop manual will be amended for
future issues.
PARTS INFORMATION
Not applicable
PROCEDURE
NEW HUB BEARING SETTING PROCESS
All Range Rover Classic, Discovery and Defender vehicles
1.
Fit hub washer.
2.
Fit hub nut.
3.
Torque hub nut to 50 Nm (37 lbf.ft.).
4.
Rotate hub assembly and ensure free rotation with no bearing play.
5.
Back hub nut off 90° and torque to 10 Nm (90 lbf.in.). This will give the required end play of 0.01 mm (0.0004 in).