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4. To remove the pressure control solenoid 1 (PCS1) or PCS2, remove three bolts (4) and the pressure control valve retaining bracket (5). Remove accumulators (3) and springs (6) if 5. Note the position of the solenoid connector and pull the solenoid (1) or (8) out of the bore in the control valve assembly. The O-ring on the solenoid provides the resistance felt during Installation Procedure springs (6) which may fall from the bores. Be sure to The pressure control valve retaining bracket (5) must not
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 15: Exploded View Of PCS1 and PCS2 Components 1. Obtain the new solenoid (1) or (8). Lubricate new O-ring (2) or (7) with clean transmission fluid. Install the O-ring and push the new solenoid into the control valve body bore with the
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
2. Install the 2 accumulators (3) and springs (6) before installing the pressure control valve retaining bracket (5). The valve (3) goes in the bore first with the hollow end facing 3. Install the pressure control valve retaining bracket (5), and install the 3 bolts (4). Tighten: Tighten the bolts to 12 N.m (108 lb in). Fig. 16: Reverse Signal Pipe Bolts 4. Install the reverse signal pipe. Install the 2 bolts that fasten reverse signal pipe to the control valve assembly. NOTE: Refer to Fastener Notice .
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Tighten: Tighten the bolts to 12 N.m (108 lb in). 5. Reconnect the internal wiring harness to the solenoid. 6. Install the oil pan and transmission internal oil filter. Refer to Oil Pan Replacement. 7. Perform the FastLearn procedure. Refer to FastLearn Procedure. OUTPUT FLANGE/YOKE REPLACEMENT 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
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