Subaru LEGACY 2006 Manual page 3735

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MANUAL TRANSMISSION AND DIFFERENTIAL
1. BEVEL PINION GEAR BACKLASH
Measure the backlash between the bevel gear and
pinion. If backlash is not within specified value, in-
stall a suitable washer to adjust.
NOTE:
Be sure the pinion gear teeth contacts adjacent
gear teeth during measurement.
ST1 498247001 MAGNET BASE
ST2 498247100 DIAL GAUGE
Standard backlash
0.13 — 0.18 mm (0.0051 — 0.0071 in)
ST2
2. HYPOID GEAR BACKLASH
1) Set the ST1, ST2 and ST3. Insert the needle
through transmission oil drain plug hole so that the
needle comes in contact with the tooth surface on
the right corner, and check the backlash.
ST1 498247001 MAGNET BASE
ST2 498247100 DIAL GAUGE
ST3 498255400 PLATE
2) Install SUBARU genuine axle shafts to both
sides, rotate in the inversion direction so that the
gauge contacts the tooth surface, and read the dial
gauge
Part No. 38415AA100AXLE SHAFT
Backlash
0.13 — 0.18 mm (0.0051 — 0.0071 in)
ST3
NOTE:
If the backlash is outside the specified range, ad-
just it by turning the side retainer in the right side
case.
Front Differential Assembly
3. TOOTH CONTACT OF HYPOID GEAR
Check tooth contact of hypoid gear as follows: Ap-
ply a thin uniform coat of red lead on both teeth sur-
faces on 3 or 4 teeth of the hypoid gear. Move the
hypoid gear back and forth by turning the transmis-
sion main shaft until a definite contact pattern is de-
veloped on the hypoid gear, and judge whether
face contact is correct. If it is improper, make ad-
justment. <Ref. to 5MT-70, ADJUSTMENT, Front
Differential Assembly.>
• Tooth contact is correct.
ST1
MT-00285
F: ADJUSTMENT
1. BEVEL PINION GEAR BACKLASH
1) Disassemble the front differential. <Ref. to 5MT-
66, REMOVAL, Front Differential Assembly.>
2) Select a different washer from the table and in-
stall.
ST2
3) Adjust until the standard value is obtained.
Backlash:
ST1
MT-00293
5MT-70
(A)
(D)
(C)
(A) Toe
(B) Coast side
(C) Heel
(D) Drive side
Washer
Part number
803038021
(0.0364 — 0.0374)
803038022
(0.0384 — 0.0394)
803038023
(0.0404 — 0.0413)
Standard
0.13 — 0.18 mm (0.0051 — 0.0071 in)
(B)
MT-01402
Thickness mm (in)
0.925 — 0.950
0.975 — 1.000
1.025 — 1.050