GM Service Manual Online
For 1990-2009 cars only

Clutch Backing Plate Retaining Ring Specifications 6L50

Table 1: 3-5 Reverse Clutch
Table 2: 1-2-3-4 Clutch
Table 3: 4-5-6 Clutch
Table 4: 2-6 Clutch
Table 5: Low/Reverse Clutch

3-5 Reverse Clutch

Clutch Pack Travel Specification - 1.20-1.74 mm (0.047-0.069 in)

Retaining Ring Thickness

O.D. Color

Metric

English

Note: After measuring clutch pack travel, determine if the measurement is within the specification. If the measurement is not within the specification, measure the thickness of the existing retaining ring, and then choose a thicker or thinner retaining ring that will bring the measurement within specification.

2.24-2.34 mm

0.088-0.092 in

Purple - Purple

2.25-2.35 mm

0.089-0.093 in

Light Green - Light Green

2.47-2.57 mm

0.097-0.101 in

Gray - Gray

2.69-2.79 mm

0.106-0.110 in

Yellow - Yellow

2.91-3.01 mm

0.115-0.119 in

Orange - Orange

3.13-3.23 mm

0.123-0.127 in

Light Blue - Light Blue

3.35-3.45 mm

0.132-0.136 in

White - White

3.57-3.67 mm

0.141-0.144 in

Yellow - Purple

3.79-3.89 mm

0.149-0.153 in

Light Blue - Purple

1-2-3-4 Clutch

Clutch Pack Travel Specification - 1.50-1.98 mm (0.059-0.078 in)

Retaining Ring Thickness

O.D. Color

Metric

English

Note: After measuring clutch pack travel, determine if the measurement is within the specification. If the measurement is not within the specification, measure the thickness of the existing retaining ring, and then choose a thicker or thinner retaining ring that will bring the measurement within specification.

2.25-2.35 mm

0.089-0.093 in

Light Green - Light Green

2.47-2.57 mm

0.097-0.101 in

Gray - Gray

2.69-2.79 mm

0.106-0.110 in

Yellow - Yellow

2.91-3.01 mm

0.115-0.119 in

Orange - Orange

3.13-3.23 mm

0.123-0.127 in

Light Blue - Light Blue

3.35-3.45 mm

0.132-0.136 in

White - White

3.57-3.67 mm

0.141-0.144 in

Yellow - Purple

3.79-3.89 mm

0.149-0.153 in

Light Blue - Purple

4-5-6 Clutch

Clutch Pack Travel Specification - 1.17-1.76 mm (0.046-0.069 in)

Retaining Ring Thickness

O.D. Color

Metric

English

Note: After measuring clutch pack travel, determine if the measurement is within the specification. If the measurement is not within the specification, measure the thickness of the existing retaining ring, and then choose a thicker or thinner retaining ring that will bring the measurement within specification.

2.24-2.34 mm

0.088-0.092 in

Purple - Purple

2.52-2.62 mm

0.099-0.103 in

Light Green - Light Green

2.80-2.90 mm

0.110-0.114 in

Gray - Gray

3.08-3.18 mm

0.121-0.125 in

Yellow - Yellow

3.36-3.46 mm

0.132-0.136 in

Orange - Orange

3.64-3.74 mm

0.143-0.147 in

Light Blue - Light Blue

3.92-4.02 mm

0.154-0.158 in

White - White

4.20-4.30 mm

0.165-0.169 in

Yellow - Purple

2-6 Clutch

Clutch Pack Travel Specification - 1.20-1.96 mm (0.047-0.077 in)

Retaining Ring Thickness

O.D. Color

Metric

English

Note: After measuring clutch pack travel, determine if the measurement is within the specification. If the measurement is not within the specification, measure the thickness of the existing retaining ring, and then choose a thicker or thinner retaining ring that will bring the measurement within specification.

1.64-1.74 mm

0.065-0.069 in

Orange

1.92-2.02 mm

0.076-0.080 in

Yellow Stripe

2.20-2.30 mm

0.087-0.091 in

Light Blue Stripe

2.48-2.58 mm

0.098-0.102 in

Purple Stripe

2.76-2.86 mm

0.109-0.113 in

Green

Low/Reverse Clutch

Clutch Pack Travel Specification - 1.65-2.33 mm (0.065-0.092 in)

Retaining Ring Thickness

O.D. Color

Metric

English

Note: After measuring clutch pack travel, determine if the measurement is within the specification. If the measurement is not within the specification, measure the thickness of the existing retaining ring, and then choose a thicker or thinner retaining ring that will bring the measurement within specification.

1.98-2.08 mm

0.078-0.082 in

Orange

2.28-2.38 mm

0.090-0.094 in

Yellow Stripe

2.58-2.68 mm

0.102-0.106 in

Light Blue Stripe

2.88-2.98 mm

0.113-0.117 in

Purple Stripe

3.18-3.28 mm

0.125-0.129 in

Green