Shift Shaft Assemblies and Gear Clusters Installation
Tools Required
J 36850
Transjel® Assembly
Lubricant.
- Lubricate all components as assembly progresses, using
J 36850
.
- Install the input shaft (1) in the adapter plate (2).
- Assemble the shift shaft (2) to the
mainshaft (1).
- Install the neutral return roll pin to the shift shaft (2).
- Install the mainshaft (1) and the shift shaft (2) assembly
into the adapter plate (3).
- Install the countershaft assembly (1)
to the adapter plate (3) using the following sequence:
6.1. | Lift up the mainshaft assembly (2) enough in order to install the
countershaft assembly (1). |
6.2. | Install the countershaft assembly (1). |
6.3. | Lift the mainshaft assembly (2) enough in order to rotate the input
shaft to engage the synchronizer keys with 4th gear blocking ring. |
- Install the 5th/6th and the reverse shift
shaft (1).
Align the slots of the shift shaft levers (2)
with the interlock plate (3).
Reverse Lockout Assembly Assemble
Caution: Refer to General Repair Instructions in the Preface section.
- Install the reverse lockout outer spring (5) to reverse lockout plunger (6).
- Install the reverse lockout collar (4) to reverse lockout plunger (6).
- Compress the reverse lockout plunger and the collar (4) in a vise
and install the retainer ring (3).
- Install the reverse lockout inner spring (2 to reverse lockout
body (1)).
- Install the reverse lockout plunger assembly in the reverse lockout body (1).
- Install the circlip (7) to reverse lockoutbody (1).
- Install the O-ring (8) to reverse lockout body (1).
Transmission Case Installation
Tools Required
J 36850
.
Important: Lubricate all components as the assembly
progresses. Use
J 36850
or the
equivalent.
- Apply LOCTITE™ "Ultrablack" 598 sealant or equivalent to the
transmission case to adapter plate mating surface (1).
- Do the following in order to install the
transmission case and the offset lever:
2.1. | Shift the transmission into NEUTRAL in order to keep the 3rd/4th shift
shaft from engaging. |
2.2. | Install the offset lever. |
2.3. | Slide the transmission case onto the gear clusters and the shift rail
components. |
- Apply thread sealer, LOCTITE™ 242
or equivalent to the threads of the shift lever guide bolts (1).
Notice: Refer to Fastener Notice in the Preface section.
- Install the shift lever guide bolts (1) and pull up on 5th/6th and reverse
shift rail assembly. This will help align the slot of the shift interlock plate with
the guide bolt hole.
Tighten
Tighten the bolts to 27 N·m (20 Ib ft).
- Install the adapter plate to transmission
case bolts (1).
Tighten
Tighten the bolts to 48 N·m (36 Ib ft).
- Install the magnets (1) into the
transmission case (2).
- Install the shift detent plug (1),
spring (2) and ball (3).
- Install the shift detent assembly (1).
Tighten
Tighten the detent assembly to 40 N·m
(30 Ib ft).
Countershaft Gear Installation
Tools Required
J 5590
Press Tube.
- Install the spacer (3), caged needle
bearing (2), and the 6th driven gear (1) to the countershaft (4).
- Install the 5th/6th speed drive gear thrust
washer (4), speed drive gear inner cone (3), speed drive gear friction
cone (2) and speed drive gear synchronizer blocking ring (1).
- Install the 5th/6th shift fork (3),
synchronizer sleeve (1) and synchronizer hub (2) assembly using
J 5590
(4) and a mallet.
- Install the speed drive gear synchronizer
blocking ring (4), speed drive gear friction cone (3), speed drive gear
inner cone (2) and speed drive gear thrust washer (1).
- Install the retainer clip (1) to
the countershaft (2).
- Install the spacer (1) to the countershaft (2).
- Install the 5th/6th speed shift fork retainer
ring (1).
- Install the needle bearing (1) to
the countershaft (2).
- Install the 5th gear (1) to the countershaft (2).
- Install the spacer (2) and the countershaft
retainer (1).
- Install the countershaft gear (1)
using
J 5590
(2) and a
mallet.
- Install the countershaft retainer clip (1).
- Install the collar (2) and the reverse
shift shaft pin (1).
5th/6th Speed Driven Gear Installation
Tools Required
• | J 39441
5th/6th Driven
Gear Installer. |
Install the 5th/6th speed driven gear (3) using the
J 39441
(1) and
J 39441-10
(2). The smaller outside diameter (OD) of the gear faces
down.
Reverse Shift Fork Installation
- Install the reverse shift fork (3),
the synchronizer (2) and the thrust washer (1).
- Install a new shift fork retainer ring (1).
- Install the reverse synchronizer retainer
ring (1).
Reverse Speed Gear Installation
- Install the reverse gear synchronizer blocking
ring (6) to the mainshaft (7).
- Install the wave washer (5) to the mainshaft (7).
- Install the reverse gear caged needle bearing (4) to the mainshaft (7)
- Install the reverse gear (3) to the mainshaft (7).
- Install the reverse gear thrust washer (2) to the mainshaft (7).
- Install the mainshaft snap ring (1) to the mainshaft (7).
- Install the mainshaft spacer (4)
to the mainshaft (5).
- Install the mainshaft rear roller bearing (3) to the mainshaft (5).
- Install the mainshaft spacer (2) to the mainshaft (5).
- Install the mainshaft snap ring (1) to the mainshaft (5).
- Install the shift shaft extension (1).
- Install the shift guide (2).
- Install NEW shift guide roll pins (3).
Extension Housing Assemble
Tools Required
J 44395
Transmission Holding
Fixture.
- Install the countershaft oil funnel (1) to the extension housing.
- Install the selective shims (2). Refer to
Shimming Procedures
.
- Install the countershaft bearing race (3) to the extension housing.
- Install the countershaft bearing race retaining circlip (4) to
the extension housing.
- Install the reverse idler shaft (1) to the extension housing.
- Install the roller bearing (2) to the reverse idler shaft.
- Install the reverse idler gear (3) to the reverse idler shaft.
- Apply thread sealer, LOCTITE™ 242
or equivalent to the reverse idler shaft brackets bolt threads.
Notice: Refer to Fastener Notice in the Preface section.
- Install the reverse idler shaft bracket to the extension housing.
- Apply an approved threadlock to the reverse idler shaft brackets bolt
threads.
- Install the reverse idler shaft bracket to extension housing retaining
bolts.
Tighten
Tighten the bolts to 25 N·m (18 Ib ft).
Important: DO NOT damage the reverse lockout solenoid
electrical connector (3).
- Install the reverse lockout solenoid (1) to the transmission extension
housing.
- Install the reverse lockout solenoid to transmission extension housing
retaining screw (2).
- Apply LOCTITE™ "Ultrablack"
598 sealant or equivalent to the extension housing to the transmission case mating
surface (1).
- Apply thread sealer, LOCTITE™ 242
or equivalent to the top 2 extension housing bolts.
Important: Align the 5th/6th shift shaft to the extension
housing bore in order to install the extension housing.
- Install the extension housing (2).
- Install the extension housing bolts (1).
Tighten
Tighten the bolts to 48 N·m (36 lb ft).
- Install the drive flange (2) to the
transmission output shaft (1).
- Install the
J 45012
(3) to the drive flange (2).
- Install the
J 45012
to
drive flange retaining bolts (4) and nuts (1) and tighten until firm.
- Install the drive flange thrust washer (3).
Notice: Refer to Fastener Notice in the Preface section.
- While holding the
J 45012
(5),
install the NEW flange retaining nut (2) using the
J 29873
(1) to the flange (4).
Tighten
Tighten the nut to 135 N·m (100 lb ft).
- Remove the
J 45012
to drive flange retaining bolts (4) and nuts (1).
- Remove the
J 45012
(3)
from the drive flange (2).
- Install the shifter cover plate (1)
to the transmission (3).
- Install the shifter cover plate to transmission retaining bolts (2).
- Install the transmission vent tube to the vent pipe.
Notice: Refer to Fastener Notice in the Preface section.
- Install the transmission vent tube to transmission case retaining bolt (1).
Tighten
Tighten the transmission vent tube retaining bolt
to 48 N·m (35 lb ft).
- Remove the
J 44395
.
- Install the remaining 2 adapter plate
bolts (1) and (2).
Tighten
Tighten the adapter plate bolts to 48 N·m
(36 lb ft).
- Install the concentric actuator from the transmission. Refer to
Clutch Concentric Actuator Cylinder Replacement
.