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81. Install the input sun gear (3) with the input sun gear flange (2) into the 1-2-3-4, 4-5-6 clutch housing (4). 82. Install the input sun gear external retaining ring (1) into the 1-2-3-4, 4-5-6 clutch housing (4). 83. Make sure the retaining ring is seated all the way around the 1-2-3-4, 4-5-6 clutch housing. 84. Remove tools J 24204-2 and J 43777 . See Special Tools. INPUT SUN GEAR THRUST WASHER INSPECTION Fig. 322: Measuring Thickness Of Input Sun Gear Thrust Washer
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
1. Measure the thickness of the 1-2-3-4, 4-5-6 clutch thrust washer (1) at dimension A. Specification: The thrust washer minimum thickness is 2.59 mm (0.102 in). 2. Replace the thrust washer if the specifications are not met. TRANSMISSION FLUID FILLER TUBE PLUG AND TRANSMISSION CASE LOCATING PIN Tools Required J 43780 Transmission Case Locating Pin Installer. See Special Tools. Transmission Case Fill Plug Replacement
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 323: Identifying Transmission Fill Tube Seal & Plug 1. Remove the fill tube plug (1). 2. Remove the fill tube seal (2). 3. Install the fill tube seal (2) into the transmission case. 4. Align the tab on the fill plug (1) with the tang on the transmission case. 5. Install the fill plug (1) into the fill tube seal (2). IMPORTANT: The fill plug retaining tab snaps into place over a tang on the transmission case.
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
6. Press the fill plug down until the retaining tab locks into place. Transmission Case Locating Pin Replacement Fig. 324: View Of Transmission Case Locating Pin NOTE: DO NOT mar the transmission case surface when removing the IMPORTANT: Do not replace the transmission case locating pin unless the locating pin is damaged.
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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