G50 / G55 MANUAL TRANSMISSION > SERVICE DATA



MANUAL TRANSMISSION EXTENSION HOUSING OIL SEAL 
Manual transmission extension housing oil seal
0+-0.5 mm (0+-0.0197 in.)

MANUAL TRANSMISSION UNIT 
Counter shaft 5th gear thrust clearance
Standard
0.100 to 0.300 mm (0.0039 to 0.0117 in.)
Maximum
0.300 mm (0.0117 in.)
Counter gear rear shaft snap ring thickness
A
2.8 to 2.85 mm (0.110 to 0.112 in.)
B
2.85 to 2.90 mm (0.112 to 0.114 in.)
C
2.90 to 2.95 mm (0.114 to 0.116 in.)
D
2.95 to 3.00 mm (0.116 to 0.118 in.)
E
3.00 to 3.05 mm (0.118 to 0.120 in.)
F
3.05 to 3.10 mm (0.120 to 0.122 in.)
G
3.10 to 3.15 mm (0.122 to 0.124 in.)
Reverse idler gear radial clearance
Standard
0.04 to 0.08 mm (0.0016 to 0.0031 in.)
Maximum
0.08 mm (0.031 in.)
Reverse idler gear clearance
Standard
0.05 to 0.35 mm (0.0020 to 0.0138 in.)
Maximum
0.35 mm (0.0138 in.)
Transmission front bearing retainer oil seal depth
12.2 to 13.2 mm (0.480 to 0.520 in.)
Extension housing oil seal depth
0+-0.5 mm (0 to 0.0196 in.)

INPUT SHAFT 
Synchronizer ring No. 1 clearance
1.0 to 2.0 mm (0.0394 to 0.0787 in.)
Input shaft shim clearance
Standard
0.1 mm (0.0039 in.) or less
Front bearing shaft snap ring thickness
0
2.05 to 2.10 mm (0.0807 to 0.0827 in.)
1
2.10 to 2.15 mm (0.0827 to 0.0847 in.)
2
2.15 to 2.20 mm (0.0847 to 0.0866 in.)
3
2.20 to 2.25 mm (0.0866 to 0.0886 in.)
4
2.25 to 2.30 mm (0.0886 to 0.0906 in.)
5
2.30 to 2.35 mm (0.0906 to 0.0925 in.)

OUTPUT SHAFT 
1st gear thrust clearance
0.1 to 0.25 mm (0.0039 to 0.0098 in.)
2nd gear thrust clearance
0.1 to 0.25 mm (0.0039 to 0.0098 in.)
3rd gear thrust clearance
0.1 to 0.25 mm (0.0039 to 0.0098 in.)
1st gear radial clearance
0.009 to 0.056 mm (0.0004 to 0.0022 in.)
2nd gear radial clearance
0.008 to 0.034 mm (0.0003 to 0.00134 in.)
3rd gear radial clearance
0.008 to 0.034 mm (0.0003 to 0.00134 in.)
Output shaft outer diameter
Standard: Part A
34.984 to 35.000 mm (1.3773 to 1.3780 in.)
Standard: Part B
37.984 to 38.000 mm (1.4954 to 1.4960 in.)
Standard: Part C
30.384 to 30.400 mm (1.1962 to 1.1968 in.)
Standard: Part D
30.002 to 30.018 mm (1.1812 to 1.1818 in.)
Maximum: Part A
30.384 mm (1.1962 in.)
Maximum: Part B
37.984 mm (1.4954 in.)
Maximum: Part C
34.984 mm (1.3773 in.)
Maximum: Part D
30.002 mm (1.1812 in.)
Output shaft flange thickness
Standard
4.80 to 5.20 mm (0.1890 to 0.2047 in.)
Maximum
4.80 mm (0.1890 in.)
1st gear bearing inner race thickness
Standard
4.00 to 4.20 mm (0.1575 to 0.1654 in.)
Maximum
4.00 mm (0.1575 in.)
1st gear bearing inner race outer diameter
Standard
38.985 to 39.000 mm (1.5348 to 1.5354 in.)
Maximum
38.985 mm (1.5348 in.)
Synchronizer ring No. 1 (for 1st gear) clearance
1.0 to 2.0 mm (0.0394 to 0.0787 in.)
Synchronizer ring No. 1 (for 2nd gear) clearance
1.0 to 2.0 mm (0.0394 to 0.0787 in.)
Synchronizer ring No. 2 clearance
1.0 to 2.0 mm (0.0394 to 0.0787 in.)
Reverse gear clearance
Standard
0.15 to 0.35 mm (0.0059 to 0.0138 in.)
Maximum
0.35 mm (0.0138 in.)
Transmission hub sleeve no. 2 clearance
0.15 to 0.35 mm (0.0059 to 0.0138 in.)
1st gear inside diameter
Standard
44.015 to 44.040 mm (1.7329 to 1.7339 in.)
Maximum
44.040 mm (1.7339 in.)
2nd gear inside diameter
Standard
44.015 to 44.040 mm (1.7329 to 1.7339 in.)
Maximum
44.040 mm (1.7339 in.)
3rd gear inside diameter
Standard
44.015 to 44.040 mm (1.7329 to 1.7339 in.)
Maximum
44.040 mm (1.7339 in.)
Transmission clutch hub No. 2 clearance
0.1 mm (0.0039 in.) or less
Clutch hub shaft snap ring thickness
C to 1
1.75 to 1.80 mm (0.0689 to 0.0709 in.)
D
1.80 to 1.85 mm (0.0709 to 0.0728 in.)
D to 1
1.85 to 1.90 mm (0.0728 to 0.0748 in.)
E
1.90 to 1.95 mm (0.0748 to 0.0768 in.)
E to 1
1.95 to 2.00 mm (0.0768 to 0.0787 in.)
F
2.00 to 2.05 mm (0.0787 to 0.0807 in.)
F to 1
2.05 to 2.10 mm (0.0807 to 0.0827 in.)
5th gear clearance
0.1 mm (0.0039 in.) or less
Output shaft bearing shaft snap ring
A
2.67 to 2.72 mm (0.1051 to 0.1071 in.)
B
2.73 to 2.78 mm (0.1075 to 0.1094 in.)
C
2.79 to 2.84 mm (0.1098 to 0.1118 in.)
D
2.85 to 2.90 mm (0.1122 to 0.1141 in.)
E
2.91 to 2.96 mm (0.1146 to 0.1165 in.)
F
2.97 to 3.02 mm (0.1169 to 0.1189 in.)
G
3.03 to 3.08 mm (0.1193 to 0.1213 in.)
H
3.09 to 3.14 mm (0.1217 to 0.1236 in.)
J
3.15 to 3.20 mm (0.1240 to 0.1260 in.)
K
3.21 to 3.26 mm (0.1264 to 0.1283 in.)
L
3.27 to 3.32 mm (0.1287 to 0.1307 in.)

COUNTER GEAR AND REVERSE IDLER GEAR 
Counter shaft 5th gear radial clearance
0.008 to 0.034 mm (0.0003 to 0.00134 in.)
Synchronizer ring No. 3 clearance
0.65 to 1.35 mm (0.0256 to 0.0531 in.)
Transmission hub sleeve No. 3 clearance
0.25 to 0.45 mm (0.0098 to 0.0177 in.)
Counter shaft 5th gear inside diameter
Standard
33.015 to 33.040 mm (1.2998 to 1.3008 in.)
Maximum
33.040 mm (1.3008 in.)
Counter gear journal outer diameter
Standard
25.984 to 26.000 mm (1.0230 to 1.0236 in.)
Maximum
26.000 mm (1.0236 in.)
Counter gear clearance
0.1 mm (0.0039 in.) or less
Counter gear front bearing snap ring No. 2 thickness
1
2.05 to 2.10 mm (0.0807 to 0.0827 in.)
2
2.10 to 2.15 mm (0.0827 to 0.0847 in.)
3
2.15 to 2.20 mm (0.0847 to 0.0866 in.)
4
2.20 to 2.25 mm (0.0866 to 0.0886 in.)
5
2.25 to 2.30 mm (0.0886 to 0.0906 in.)
6
2.30 to 2.35 mm (0.0906 to 0.0925 in.)