Subaru 2009 IMPREZA, Service Manual

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5MT-75
Reverse Idler Gear
MANUAL TRANSMISSION AND DIFFERENTIAL
C: INSPECTION
1) Move the reverse shifter rod toward the reverse
side. Check the clearance between the reverse
idler gear and the timing case wall surface.
If out of specification, select the appropriate re-
verse shifter lever and adjust.
Clearance A:
6.0 — 7.5 mm (0.236 — 0.295 in)
2) After installing a suitable reverse shifter lever,
shift into neutral. Check the clearance between the
reverse idler gear and the transmission case wall
surfaces.
If out of specification, select the appropriate washer
and adjust.
Clearance:
0 — 0.5 mm (0 — 0.020 in)
3) Check the reverse idler gear and shaft for dam-
age. Replace if it is damaged.
D: ADJUSTMENT
1) Select the appropriate reverse shifter lever from
the table below, and adjust until the clearance be-
tween the reverse idler gear and transmission case
wall is within specification.
Clearance A:
6.0 — 7.5 mm (0.236 — 0.295 in)
2) Select the appropriate washer from the table be-
low, and adjust until the clearance between the re-
verse idler gear and transmission case wall is
within specification.
Clearance:
0 — 0.5 mm (0 — 0.020 in)
A Measured value
MT-00305
A
MT-00306
A Measured value
Reverse shifter lever
Part No. Mark Content
32820AA070 7 Far from case wall
32820AA080 8 Standard
32820AA090 9 Closer to case wall
Washer
Part No. Thickness mm (in)
803020151 0.4 (0.016)
803020152 1.1 (0.043)
803020153 1.5 (0.059)
803020154 1.9 (0.075)
803020155 2.3 (0.091)
MT-00305
A
MT-00306