GM Service Manual Online
For 1990-2009 cars only
Table 1: Front Differential Side Gear Shim (88)
Table 2: Front Differential Transfer Drive Gear Thrust Bearing Washer (264)
Table 3: 1-2 Reverse Internal Gear Shim (596)
Table 4: Forward/Direct Clutch Housing Thrust Bearing Race (628)

Front Differential Side Gear Shim (88)

Identification

Specifications

Metric

English

70

1.00 mm

0.039 in

71

1.05 mm

0.041 in

72

1.10 mm

0.043 in

73

1.15 mm

0.045 in

74

1.20 mm

0.047 in

75

1.25 mm

0.049 in

76

1.30 mm

0.051 in

77

1.33 mm

0.052 in

78

1.36 mm

0.054 in

79

1.39 mm

0.055 in

80

1.42 mm

0.056 in

81

1.45 mm

0.057 in

82

1.48 mm

0.058 in

83

1.51 mm

0.059 in

84

1.54 mm

0.061 in

85

1.57 mm

0.062 in

86

1.60 mm

0.0629 in

87

1.65 mm

0.0649 in

88

1.70 mm

0.0669 in

89

1.75 mm

0.0688 in

90

1.80 mm

0.070 in

91

1.85 mm

0.0728 in

92

1.90 mm

0.0748 in


Front Differential Transfer Drive Gear Thrust Bearing Washer (264)

Identification

Washer Thickness (mm)

Washer Thickness (in)

None

0.81

0.032

A

0.90

0.035

B

1.00

0.039

C

1.10

0.043

D

1.20

0.047

E

1.30

0.051

F

1.40

0.055

G

1.50

0.059


1-2 Reverse Internal Gear Shim (596)

Identification

Washer Thickness (mm)

Washer Thickness (in)

8

0.81

0.032

9

0.90

0.035

10

1.00

0.039

11

1.10

0.043

12

1.20

0.047

13

1.30

0.051

14

1.40

0.055

15

1.50

0.059

16

1.60

0.063


Forward/Direct Clutch Housing Thrust Bearing Race (628)

Identification

Washer Thickness (mm)

Washer Thickness (in)

None

0.81

0.032

9

0.90

0.035

10

1.00

0.039

11

1.10

0.043

12

1.20

0.047

13

1.30

0.051

14

1.40

0.055

15

1.50

0.059