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4. Install the pressure control solenoid (377). 5. Install the pressure control solenoid retainer (378) and retainer bolt (364A). Tighten: Tighten the bolt to 11 N.m (97 lb in). Fig. 175: View Of TCC PWM Solenoid & Retainer IMPORTANT: When installing the pressure control solenoid, the electrical connector must be in the position 1 shown. Do not use
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
6. Install the TCC PWM solenoid to the control valve body. 7. Install the TCC PWM solenoid retainer. Fig. 176: Identifying Valve Body Electrical Connections 8. Connect the internal wiring harness electrical connectors to the following components: Transmission fluid pressure switch (1) 1-2 shift control solenoid (2) 2-3 shift control solenoid (3) Pressure control solenoid (4)
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
TCC PWM solenoid (5) 3-2 control solenoid (6) 9. Install the 1-2 accumulator. Refer to Accumulator Assembly, Spacer Plate, and Gaskets. Fig. 177: View Of Transmission Harness 20-Way Connector & VSS Electrical 10. Connect the transmission harness 20-way connector (1) to the transmission pass-through connector. Align the arrows on each half of the connector and insert straight down.
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
11. Install the transmission filter. Refer to Automatic Transmission Fluid and Filter Replacement. 12. Reset the TAP values. Refer to Transmission Adaptive Functions (TCM). ACCUMULATOR ASSEMBLY, SPACER PLATE, AND GASKETS Tools Required J 25025-B Dial Indicator Post and Guide Pin Set. See Special Tools. J 36850 Transjel Lubricant. See Special Tools. Removal Procedure IMPORTANT: It is recommended that transmission adaptive pressure (TAP) information be reset.
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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