LEMON Manuals: Even more car manuals for everyone
Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 133 (Automatic Transmission - 4L80-E/4L85-E - Introduction (2 Of 2)) >> Specifications >> Low and Reverse Band Servo Piston Pin Specifications

Low and Reverse Band Servo Piston Pin Specifications

WARNING: This page is about a different car, the 2007 GMC Yukon XL and 2007 Chevrolet Suburban. However, it is still accessible from the selected car via links, so may be relevant.

Refer to the chart in order to determine the correct low and reverse band servo pin length to use. A, B and C on the chart refer to markings on the J 21370-10  Band Apply Pin Gauge. See Special Tools . Numbers 1-7 match the correct piston pin length to the J 21370-10  land indicated by the low and reverse band servo pin inspection procedure. See Special Tools .

Fig 1: Low & Reverse Band Servo Piston Pin Specification Chart
GM28391Courtesy of GENERAL MOTORS CORP.
Servo Piston Pin Selection

Pin Length Pin Identification
mm inch
83.82-83.97 3.300-3.306 1
84.53-84.68 3.328-3.334 2
85.24-85.39 3.356-3.362 3
85.95-86.10 3.384-3.390 4
86.66-87.53 3.412-3.446 5
87.38-87.53 3.440-3.446 6
88.09-88.24 3.468-3.474 7