3-5 Reverse Clutch Backing Plate Retaining Ring Measurement (6L80/6L90)

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Backing Plate Retaining Ring

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
Preliminary Procedures Install the 1-2-3-4 and 3-5 reverse clutch housing with the 1-2-3-4 and 3-5 reverse clutch plates installed, onto the torque converter housing. Install the DT 47868-2: magnetic base adapter onto the torque converter housing. Install DT 47868-1: clutch pack travel weight onto the 3-5 reverse clutch backing plate. Install the J 26900-13: magnetic base onto DT 47868-2: magnetic base adapter. Attach the J 8001: dial indicator set to the J 26900-13: magnetic base and zero out the dial indicator on the DT 47868-1: clutch pack travel weight. Special Tools DT 47868-1: Clutch Pack Travel Weight DT 47868-2: Magnetic Base Adapter J 8001: Dial Indicator Set J 26900-13: Magnetic Base For equivalent regional tools, refer to Special Tools .
1	3-5 Reverse Clutch Apply Passage Tip: Apply compressed air to the apply passage hole, and observe the dial indicator measurement. Refer to Clutch Backing Plate Retaining Ring Specifications (6L80) or Clutch Backing Plate Retaining Ring Specifications (6L90) .

Callout

Component Name

Preliminary Procedures

Install the 1-2-3-4 and 3-5 reverse clutch housing with the 1-2-3-4 and 3-5 reverse clutch plates installed, onto the torque converter housing.
Install the DT 47868-2: magnetic base adapter onto the torque converter housing.
Install DT 47868-1: clutch pack travel weight onto the 3-5 reverse clutch backing plate.
Install the J 26900-13: magnetic base onto DT 47868-2: magnetic base adapter.
Attach the J 8001: dial indicator set to the J 26900-13: magnetic base and zero out the dial indicator on the DT 47868-1: clutch pack travel weight.

Special Tools

DT 47868-1: Clutch Pack Travel Weight
DT 47868-2: Magnetic Base Adapter
J 8001: Dial Indicator Set
J 26900-13: Magnetic Base

For equivalent regional tools, refer to Special Tools .

3-5 Reverse Clutch Apply Passage
Tip: Apply compressed air to the apply passage hole, and observe the dial indicator measurement. Refer to Clutch Backing Plate Retaining Ring Specifications (6L80) or Clutch Backing Plate Retaining Ring Specifications (6L90) .