Reverse Idler Gear - Subaru 2009 IMPREZA Service Manual

MANUAL TRANSMISSION AND DIFFERENTIAL

18.Reverse Idler Gear

A: REMOVAL
1) Remove the manual transmission assembly
from the vehicle. <Ref. to 5MT-21, REMOVAL,
Manual Transmission Assembly.>
2) Remove the back-up light switch and the neutral
position switch. <Ref. to 5MT-33, REMOVAL,
Switches and Harness.>
3) Remove the transfer case together with the ex-
tension case assembly. <Ref. to 5MT-36, REMOV-
AL, Transfer Case
Assembly.>
4) Remove the transmission case. <Ref. to 5MT-
49, REMOVAL, Transmission Case.>
5) Remove the drive pinion shaft assembly. <Ref.
to 5MT-57, REMOVAL, Drive Pinion Shaft Assem-
bly.>
6) Remove the main shaft assembly for single-
range. <Ref. to 5MT-52, REMOVAL, Main Shaft
Assembly for Single-Range.>
7) Remove the front differential assembly. <Ref. to
5MT-66, REMOVAL, Front Differential Assembly.>
8) Remove the shifter forks and rods. <Ref. to 5MT-
76, REMOVAL, Shifter Fork and Rod.>
9) Pull out the straight pin, and remove the reverse
idler gear shaft, washer, reverse idler gear and
washer.
(E)
(B)
(F)
(A)
(A) Straight pin
(B) Reverse idler gear shaft
(C) Reverse idler gear
(D) Washer
(E) Washer
(F) Reverse shifter lever
10) Remove the reverse shifter lever.
Reverse Idler Gear
and Extension Case
(C)
(D)
MT-01565
5MT-74
B: INSTALLATION
1) Install the reverse shifter lever, washer, reverse
idler gear, washer and reverse idler gear shaft, and
secure them with the straight pin.
NOTE:
Be sure to install the reverse idler gear shaft from
rear side.
(E)
(B)
(F)
(A)
(A) Straight pin
(B) Reverse idler gear shaft
(C) Reverse idler gear
(D) Washer
(E) Washer
(F) Reverse shifter lever
2) Check and adjust clearance between the re-
verse idler gear and the timing case wall surface.
<Ref. to 5MT-74, INSTALLATION, Reverse Idler
Gear.> <Ref. to 5MT-75, ADJUSTMENT, Reverse
Idler Gear.>
3) Install the shifter forks and rods. <Ref. to 5MT-
77, INSTALLATION, Shifter Fork and Rod.>
4) Install the front differential assembly. <Ref. to
5MT-66, INSTALLATION, Front Differential As-
sembly.>
5) Install the main shaft assembly for single-range.
<Ref. to 5MT-52, INSTALLATION, Main Shaft As-
sembly for Single-Range.>
6) Install the drive pinion shaft assembly. <Ref. to
5MT-57, INSTALLATION, Drive Pinion Shaft As-
sembly.>
7) Install the transmission case. <Ref. to 5MT-50,
INSTALLATION, Transmission Case.>
8) Install the transfer case together with the exten-
sion case assembly. <Ref. to 5MT-36, INSTALLA-
TION, Transfer Case and Extension Case
Assembly.>
9) Install the back-up light switch and the neutral
position switch. <Ref. to 5MT-33, INSTALLATION,
Switches and Harness.>
10) Install the manual transmission assembly to the
vehicle. <Ref. to 5MT-25, INSTALLATION, Manual
Transmission Assembly.>
(C)
(D)
MT-01565