Main Shaft Assembly - Subaru IMPREZA 2004 Service Manual

19.Main Shaft Assembly

A: REMOVAL
1) Remove the manual transmission assembly
from vehicle. <Ref. to 6MT-36, REMOVAL, Manual
Transmission Assembly.>
2) Prepare the transmission for overhaul. <Ref. to
6MT-41, Preparation for Overhaul.>
3) Remove the oil pipe, neutral position switch,
back-up light switch and harness. <Ref. to 6MT-43,
REMOVAL, Oil Pipe.>, <Ref. to 6MT-46, REMOV-
AL, Neutral Position Switch.>, <Ref. to 6MT-44,
REMOVAL, Back-up Light Switch.>
4) Remove the extension case. <Ref. to 6MT-48,
REMOVAL, Extension Case.>
5) Remove the transfer driven gear. <Ref. to 6MT-
59, REMOVAL, Transfer Driven Gear.>
6) Remove the center differential. <Ref. to 6MT-61,
REMOVAL, Center Differential.>
7) Remove the oil pump. <Ref. to 6MT-62, RE-
MOVAL, Oil Pump.>
8) Remove the transmission case. <Ref. to 6MT-
66, REMOVAL, Transmission Case.>
9) Remove the striking rod.
10) Using a screwdriver, shift to 4th gear position.
(A)
(A) 3rd-4th shift rod
11) Remove the reverse idler holder.
(A)
(A) Reverse idler holder
12) Remove all checking plug, gasket, checking
spring, plunger and checking ball from adapter
plate.
Main Shaft Assembly
NOTE:
Do not reuse the gasket.
(A)
13) Remove the bolt and gasket installing reverse
idler shaft.
MT-00543
14) Press the main shaft assembly, driven gear as-
sembly, reverse idler gear and each shifter fork,
then remove from the adapter plate at once.
NOTE:
Two people should do the work.
MT-00544
B: INSTALLATION
1) Adjust the 3rd-4th, and 5th-6th shifter fork rod.
<Ref. to 6MT-116, ADJUSTMENT, Shifter Fork
and Rod.>
6MT-71
MANUAL TRANSMISSION AND DIFFERENTIAL
(B)
(C)
(D)
(A) Checking plug
(B) Gasket
(C) Checking spring
(D) Plunger
(E) Checking ball
(A)
(B)
(C)
(E)
MT-00545
MT-00546