Discovery I (LJ) V8-4.0L (1996)
Gear: All Technical Service Bulletins
M/T - Gearbox 5th Layshaft & Gear Retention
NO.
37/04/96/US
DATE
07/19/96
SUBJECT
5TH Layshaft Gear Retention
MODEL
Discovery - equipped with Manual Gearboxes
Defender 90
AFFECTED VEHICLES
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