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12) Align the protrusion portion of reverse synchro
cone with reverse idler gear hole, then install the
reverse idler gear.
(B)
(A) Protrusion portion of reverse synchro cone
(B) Reverse idler gear hole
13) Install the washer with groove facing to reverse
idler gear.
14) Using the ST, install the snap ring.
ST 18672AA000 GUIDE CLIP
15) Inspect and adjust the clearance between snap
ring and washer. <Ref. to 6MT-95, INSPECTION,
Reverse Idler Gear.>
16) Install the spring pin.
NOTE:
Use a new spring pin.
E: INSPECTION
Disassembled parts should be washed with un-
leaded gasoline first and then inspected carefully.
1) Bearing
Replace the bearings in the following cases.
• When there are wear, rust and damage on the
bearing.
• When bearing that fails to turn smoothly or
makes noise when turned.
• When bearings have other defects.
2) Bushing (each gear)
Replace the bushing in following cases.
• When the sliding surface is damaged or abnor-
mally worn.
Reverse Idler Gear
(A)
MT-00637
ST
MT-00638
6MT-95
MANUAL TRANSMISSION AND DIFFERENTIAL
3) Gear
Replace the gear in the following cases.
• When the gear teeth surfaces are broken or ex-
cessively worn.
• When the parts that contact the baulk ring is
damaged.
• When the inner surface of gear is damaged.
4) Baulk ring, synchro cone
Replace the baulk ring and synchro cone in the fol-
lowing case.
• When there are wear, rust and damage on the
baulk ring.
5) Shifting insert key
Replace the shifting insert key if deformed, exces-
sively worn or defective in any way.
6) Inspect the clearance between snap ring and
washer.
Tip clearance specification:
0.1 — 0.3 mm (0.0039 — 0.0118 in)
Select the snap ring from the following table if
clearance is out of specification.
Snap ring
Part No.
031319000
805019030
805019010
Inspect the clearance again after replacing snap
ring.
MT-00581
MT-00639
Thickness mm (in)
1.50 (0.059)
1.60 (0.062)
1.72 (0.068)
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