Chevrolet Silverado / GMC Sierra. Manual — part 941

Fig. 339: Measuring Cone Of Clutch Steel Plate
Courtesy of GENERAL MOTORS CORP.

5. Measure the cone of each 3rd, 5th, and reverse clutch steel plate (1) at dimension A.

Specification: The 3rd, 5th, and reverse clutch steel plate maximum cone is 0.400 mm
(0.015 in).

IMPORTANT: Check the plates for coning on a level surface.

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

Fig. 340: Measuring Thickness Of Clutch Spring Plate
Courtesy of GENERAL MOTORS CORP.

6. Measure the thickness of the 3rd, 5th, and reverse clutch spring plate (1) at dimension A.

Specification: The 3rd, 5th, and reverse clutch spring plate minimum thickness is 3.110 mm
(0.1224 in).

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

Fig. 341: Measuring Cone Of Clutch Spring Plate
Courtesy of GENERAL MOTORS CORP.

7. Measure the cone of the 3rd, 5th, and reverse clutch spring plate (1) at dimension A.

Specification: The 3rd, 5th, and reverse clutch spring plate maximum cone is 0.400 mm
(0.0157 in).

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado