GM Service Manual Online
For 1990-2009 cars only

Clutch Backing Plate Retaining Ring Specifications 6L80

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

3-5 Reverse Clutch

Clutch Pack Travel Specification - 1.21-1.79 mm (0.048-0.070 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.

1.61-1.71 mm

0.063-0.067 in

Gray

1.88-1.98 mm

0.074-0.078 in

Light Green

2.15-2.25 mm

0.085-0.089 in

Yellow

2.42-2.52 mm

0.095-0.099 in

None

2.69-2.79 mm

0.106-0.110 in

Purple

1-2-3-4 Clutch

Clutch Pack Travel Specification - 1.53-1.99 mm (0.060-0.078 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.

2.42-2.52 mm

0.095-0.099 in

None

2.69-2.79 mm

0.106-0.110 in

Purple

2.96-3.06 mm

0.117-0.120 in

Light Blue

3.23-3.33 mm

0.127-0.131 in

Orange

3.50-3.60 mm

0.138-0.142 in

White

4-5-6 Clutch

Clutch Pack Travel Specification - 1.28-1.89 mm (0.050-0.074 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.

1.60-1.70 mm

0.063-0.067 in

Yellow

2.02-2.12 mm

0.080-0.083 in

None

2.44-2.54 mm

0.096-0.100 in

Purple

Low/Reverse Clutch

Clutch Pack Travel Specification - 1.30-2.07 mm (0.051-0.081 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.

1.85-1.95 mm

0.073-0.077 in

Yellow

2.26-2.36 mm

0.089-0.093 in

None

2.67-2.77 mm

0.105-0.109 in

Purple