Workshop Manuals Factory service & repair Land Rover
01 Borg Warner Transfer Gerabox Overhaul Manual02 INTRODUCTION03 DESCRIPTION AND OPERATION04 05 06 07 08 09 10 OVERHAUL11 SPECIFICATIONS, TORQUE
Land Rover Borg Warner Transfer Box10 · OVERHAUL
10 · General

EPICYCLIC GEAR SET

Make
Land Rover
Model
Gearboxes Borg Warner Transfer Box
Section
EPICYCLIC GEAR SET
OVERHAULEPICYCLIC GEAR SET · page 1 of 2
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TRANSFER BOX

4

OVERHAUL

VISCOUS COUPLING UNIT (VCU)

Service repair no - 41.20.66/01

Remove

1. Remove front output shaft drive flange.

See

this section.

2. Remove 6 bolts securing VCU housing to

transfer box.

3. With care, break front face RTV seal and

remove VCU assembly.
Do not carry out further dismantling if
component is removed for access only.

4. Press out viscous coupling from housing.

CAUTION: Protect output shaft thread and
do not use excessive force when pressing
out viscous coupling.

Refit

1. Clean mating surfaces of viscous coupling

housing and transfer box.

CAUTION: Do not use a metal scraper as
this may damage sealing surfaces.

2. Clean bearing and VCU mating faces.
3. Press VCU into bearing.
4. Apply a continuous 2mm bead of sealant to

VCU housing mating face. Path to be around
inside of bolt holes.

5. Fit VCU assembly to transfer box ensuring

correct alignment of bolt holes before
disturbing RTV bead.

6. Fit bolts and progressively tighten to 35 Nm.

(26 lbf.ft)

7. Fit front output shaft drive flange.

See this

section.

EPICYCLIC GEAR SET

Service repair no - 41.20.68/01

Remove

1. Remove viscous coupling assembly.

See this

section.

2. Remove 17 bolts securing halves of transfer

box casing.

3. Carefully break RTV seal and remove front

transfer gearbox casing from rear casing.

4. Position front casing, input shaft upwards.

Position block of wood under epicyclic gear
set.

Parts & tools for this job Staging For Land Rover Gearboxes

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