2-6 Clutch Plate Inspection

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Measuring Clutch Oil Groove Depth & Fiber Plate Thickness

Courtesy of GENERAL MOTORS CORP.

IMPORTANT:

Perform the following measurements at 3 or more locations.
Check the plates for coning on a level surface.
Replace any parts not meeting specifications.

Measure the thickness of each 2-6 clutch fiber plate (1) at dimension A.
Specification: The 2-6 clutch fiber plate minimum thickness is 2.375 mm (0.0935 in).
Measure the oil groove depth of each 2-6 clutch fiber plate (1) at dimension B.
Specification: The 2-6 clutch fiber plate oil groove minimum depth is 0.2 mm (0.0079 in).

Fig 2: Measuring Cone Of Clutch Fiber Plate

Courtesy of GENERAL MOTORS CORP.

Measure the cone of each 2-6 clutch fiber plate (1) at dimension A.
Specification: The 2-6 clutch fiber plate maximum cone is 0.225 mm (0.0089 in).

Fig 3: Measuring Thickness Of Clutch Steel Plate

Courtesy of GENERAL MOTORS CORP.

Measure the thickness of each 2-6 clutch steel plate (1) at dimension A.
Specification: The 2-6 clutch steel plate minimum thickness is 2.44 mm (0.096 in).

Fig 4: Measuring Cone Of Clutch Steel Plate

Courtesy of GENERAL MOTORS CORP.

Measure the cone of each 2-6 clutch steel plate (1) at dimension A.
Specification: The 2-6 clutch steel plate maximum cone is 0.4 mm (0.0157 in).

Fig 5: Measuring Thickness Of Clutch Spring Plate

Courtesy of GENERAL MOTORS CORP.

Measure the thickness of the 2-6 clutch spring plate (1) at dimension A.
Specification: The 2-6 clutch spring plate minimum thickness is 3.11 mm (0.1224 in).

Fig 6: Measuring Cone Of Clutch Spring Plate

Courtesy of GENERAL MOTORS CORP.

Measure the cone of the 2-6 clutch spring plate (1) at dimension A.
Specification: The 2-6 clutch spring plate maximum cone is 0.4 mm (0.0157 in).