landrover Workshop Repair Guides

Land Rover Workshop Service and Repair Manuals

M/T - Mod Improves Joint Between 5th Gear & Layshaft|Page 9543 > < Flywheel Gear, M/T|Testing and Inspection|Page 9534
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Gear: All Technical Service Bulletins
M/T - Mod Improves Joint Between 5th Gear & Layshaft

07/19/96

37/04/96/US

SUBJECT:    
5th Layshaft Gear Retention

MODEL:
Discovery - equipped with Manual Gearboxes 
Discovery - equipped with Manual Gearboxes 
Defender 90

AFFECTED VEHICLES:
LP
LJ

178922 Onwards

LJ

509575 Onwards

LD

976883 Onwards

DETAIL

From the above VIN numbers and gearbox number 55A0416034J all factory built R380 gearboxes are fitted with a revised design of 5th layshaft gear
retention. This modification improves joint integrity between 5th gear and layshaft, significantly increasing durability. The component changes are
detailed below.

Note: 

The new parts must not be mixed with old ones.

ACTION REQUIRED

When performing repairs upon vehicles listed above new parts should be used.

PARTS INFORMATION

Layshaft Cluster Gear

FTC 4980 replaces FTC 2723 - (Discovery) 
FTC 4982 replaces FTC 2941 - (Defender)

5th Layshaft Gear 
FTC 4977 replaces FTC 2724 
FTC 4978 replaces FTC 2945

FAM 9270 - Split Collar

PROCEDURE

Refer to the Workshop Manual section 37 "Manual Gearbox."

WARRANTY
Not applicable

M/T - Mod Improves Joint Between 5th Gear & Layshaft|Page 9543 > < Flywheel Gear, M/T|Testing and Inspection|Page 9534