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Fig. 88: Detent Spring Assembly 7. Install the detent spring assembly (2) onto the control valve assembly. Confirm that the roller of the detent spring assembly rests on the detent lever (1). 8. Attach the IMS connector on the internal harness to the IMS. 9. Install 2 detent spring bolts (3). Tighten: Tighten the bolts to 12 N.m (108 lb in). 10. Install the oil pan and transmission internal oil filter. Refer to Oil Pan Replacement. 11. Connect the external wiring harness to the transmission main connector.
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
12. Perform the FastLearn procedure. Refer to FastLearn Procedure. TORQUE CONVERTER FLUID SEAL REPLACEMENT Tools Required J 24171-A Seal and Dust Shield Remover J 43772 Torque Converter Seal Installer. See Special Tools. Removal Procedure IMPORTANT: The FastLearn, adapt, procedure must be performed. This can be done in 1 step using a scan tool. If this procedure is
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 89: Removing Torque Converter Seal Using J 24171-A 1. Remove the torque converter from the transmission. Refer to Torque Converter Replacement. 2. Obtain J 24171-A and install the tip (3) with a 90 degree hook onto the end of the slide- hammer (1). 3. Position the 90 degree hook behind the rear face of the seal outer case (2). Remove the torque converter seal using the slide-hammer. 4. Inspect the seal bore for scratches. Remove any scratches in the seal bore using crocus cloth.
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Installation Procedure Fig. 90: Installing New Seal Onto J 43772 1. Install the new seal (2) onto the J 43772 . See Special Tools. Position the seal so the seal lip is outward and the face of the steel case is against the driving face (1) on the tool.
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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