TRANSMISSION
M8540Narrow, M9540Narrow, WSM
N3-S1
1. SERVICING SPECIFICATIONS
Item Factory Specification Allowable Limit
Gear on 1st Shaft (3rd-4th) Side Clearance Less than
0.2 mm
0.0078 in.
–
Gear on 1st Shaft (1st-2nd) Side Clearance Less than
0.2 mm
0.0078 in.
–
Shift Fork to Shift Groove (for Main
Change Section and Range Section)
Clearance 0.15 to 0.40 mm
0.0059 to 0.0157 in.
0.80 mm
0.031 in.
Spiral Bevel Pinion Shaft Only Turning Torque 2.94 to 3.43 N·m
0.3 to 0.35 kgf·m
2.17 to 2.53 lbf·ft
–
Spiral Bevel Gear to Spiral Bevel Pinion
Shaft
Backlash 0.2 to 0.3 mm
0.0079 to 0.0118 in.
0.4 mm
0.016 in.
Differential Case Bore to Differential Side
Gear Boss
• Differential Case Bore
• Differential Side Gear Boss
Clearance
I.D.
O.D.
0.080 to 0.181 mm
0.004 to 0.00712 in.
40.53 to 40.592 mm
1.5960 to 1.5981 in.
40.411 to 40.45 mm
1.5910 to 1.592 in.
0.35 mm
0.014 in.
−
−
39T Bevel Gear Bore to Differential Side
Gear Boss
• 39T Bevel Gear Bore
• Differential Side Gear Boss
Clearance
I.D.
O.D.
0.09 to 0.169 mm
0.004 to 0.00665 in.
40.54 to 40.58 mm
1.596 to 1.597 in.
40.411 to 40.45 mm
1.591 to 1.592 in.
0.35 mm]
0.014 in.
–
–
Differential Pinion Shaft to Differential
Pinion
• Differential Pinion Shaft
• Differential Pinion
Clearance
O.D.
I.D.
0.08 to 0.122 mm
0.004 to 0.0048 in.
20.06 to 20.081 mm
0.7898 to 0.79059 in.
19.959 to 19.980 mm
0.78579 to 0.7866 in.
0.25 mm
0.010 in.
–
–
Differential Pinion to Differential Side Gear Backlash 0.15 to 0.30 mm
0.0059 to 0.0118 in.
0.4 mm
0.016 in.
Differential Lock Shifter Clearance 6.0 to 8.0 mm
0.236 to 0.315 in.
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