Subaru Impreza 2003 Service Manual page 1920

MANUAL TRANSMISSION AND DIFFERENTIAL
22.Reverse Idler Gear
A: REMOVAL
1) Remove the manual transmission assembly
from vehicle. <Ref. to 5MT-38, REMOVAL, Manual
Transmission Assembly.>
2) Remove the back-up light switch and neutral po-
sition switch. <Ref. to 5MT-48, REMOVAL, Switch-
es and Harness.>
3) Remove the transfer case with extension case
assembly. <Ref. to 5MT-53, REMOVAL, Transfer
Case and Extension Case Assembly.>
4) Remove the transmission case. <Ref. to 5MT-
93, REMOVAL, Drive Pinion Shaft Assembly.>
5) Remove the drive pinion shaft assembly. <Ref.
to 5MT-93, REMOVAL, Drive Pinion Shaft Assem-
bly.>
6) Remove the main shaft assembly.
Single-range model
<Ref. to 5MT-73, REMOVAL, Main Shaft Assembly
for Single-Range.>
Dual-range model
<Ref. to 5MT-83, REMOVAL, Main Shaft Assembly
for Dual-Range.>
7) Remove the differential assembly. <Ref. to 5MT-
104, REMOVAL, Front Differential Assembly.>
8) Remove the shifter forks and rods. <Ref. to 5MT-
114, REMOVAL, Shifter Fork and Rod.>
9) Pull out the straight pin, and remove the idler
gear shaft, reverse idler gear and washer.
(B)
(A)
(A) Straight pin
(B) Idler gear shaft
(C) Idler gear
(D) Washer
10) Remove the reverse shifter lever.
REVERSE IDLER GEAR
(C)
(D)
MT-00303
5MT-112
B: INSTALLATION
1) Install the reverse shifter lever, reverse idler
gear and reverse idler gear shaft, and secure with
straight pin.
NOTE:
Be sure to install the reverse idler shaft from rear
side.
(A)
(D)
(C)
(A) Reverse shifter lever
(B) Reverse idler gear
(C) Reverse idler gear shaft
(D) Straight pin
2) Inspect and adjust the clearance between re-
verse idler gear and transmission case wall. <Ref.
to 5MT-112, INSTALLATION, Reverse Idler Gear.>
and <Ref. to 5MT-113, ADJUSTMENT, Reverse
Idler Gear.>
3) Install the shifter forks and rods. <Ref. to 5MT-
115, INSTALLATION, Shifter Fork and Rod.>
4) Install the differential assembly. <Ref. to 5MT-
104, INSTALLATION, Front Differential Assem-
bly.>
5) Install the main shaft assembly.
Single-range model
<Ref. to 5MT-73, INSTALLATION, Main Shaft As-
sembly for Single-Range.>
Dual-range model
<Ref. to 5MT-83, INSTALLATION, Main Shaft As-
sembly for Dual-Range.>
6) Install the drive pinion shaft assembly. <Ref. to
5MT-93, INSTALLATION, Drive Pinion Shaft As-
sembly.>
7) Install the transmission case. <Ref. to 5MT-69,
INSTALLATION, Transmission Case.>
8) Install the transfer case with extension case as-
sembly. <Ref. to 5MT-53, INSTALLATION, Trans-
fer Case and Extension Case Assembly.>
9) Install the back-up light switch and neutral posi-
tion switch. <Ref. to 5MT-49, INSTALLATION,
Switches and Harness.>
10) Install the manual transmission assembly to ve-
hicle. <Ref. to 5MT-41, INSTALLATION, Manual
Transmission Assembly.>
(B)
MT-00304