Special Tools

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DT-52081 Clearance Gage Plate

Equivalent regional tools: Special Tools

Courtesy of GENERAL MOTORS COMPANY

Using DT-52081 Clearance Gage Plate (1), set up the measurement as shown.
1-2-3-4-5-6-Reverse Clutch Apply Plate (2) - Measure
Measure from the top of the 1-2-3-4-5-6-Reverse Clutch Apply Plate (2) to the top of the DT-52081 Clearance Gage Plate (1) as shown and record the measurement.
Repeat the measurement 180 degrees from the measurement in step 3.
Find the average of these two measurements from step 3 and step 4. Record this as dimension A.
Courtesy of GENERAL MOTORS COMPANY

Using DT-52081 Clearance Gage Plate (1), set up the measurement as shown.
1-2-3-4-5-6-Reverse Clutch Piston Return Spring (2) - Measure
Zero to the 1-2-3-4-5-6-Reverse Clutch Piston Return Spring (2), then Measure to the case mating surface to the top of the DT-52081 Clearance Gage Plate (1) as shown and record the measurement.
Repeat the measurement 180 degrees from the measurement in step 8.
Find the average of these two measurements from step 8 and step 9. Record this as dimension B.
Subtract dimension B from dimension A to determine the dimension C.
Subtract 30.76 mm (1.211 in) from the dimension C to determine the clutch pack travel specification. 1-2-3-4-5-6-Reverse Clutch Apply Plate Specifications , or 1-2-3-4-5-6-Reverse Clutch Apply Plate Specifications (10L60)