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Chevrolet Silverado / GMC Sierra. Manual - part 1161
Fig. 504: View Of TCC Solenoid Bolts
Courtesy of GENERAL MOTORS CORP.
12. Install the transmission wiring harness on the valve body.
13. Install the torque converter clutch (TCC) solenoid valve and bolts (68).
Tighten: Tighten the bolts to 8-14 N.m (6-10 lb ft).
NOTE:
Refer to Fastener Notice .
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis
Silverado, Sierra & Silverado
Fig. 505: Locating Valve Body Bolts
Courtesy of GENERAL MOTORS CORP.
14. Inspect to ensure all of the valve body bolts are in the correct location.
Each bolt number refers to a specific bolt size, as indicated in the following list:
1 - M6 x 1.0 x 65.0
NOTE:
Do not over-tighten the bolts. Over-tightening the bolts will
distort the valve bores. Begin tightening from the center of the
valve body tighten the bolts in a outward direction.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis
Silverado, Sierra & Silverado
2 - M6 x 1.0 x 54.4
3 - M6 x 1.0 x 47.5
4 - M6 x 1.0 x 17.7
5 - M6 x 1.0 x 35.0
15. Tighten the bolts from the center of the valve body working your way out in a spiral pattern
to the outside edge.
Tighten: Tighten the bolts to 8-14 N.m (6-10 lb ft).
Fig. 506: View Of TCC/PWM Solenoid & Clip
Courtesy of GENERAL MOTORS CORP.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis
Silverado, Sierra & Silverado
16. Install the torque converter clutch pulse width modulation (TCC PWM) solenoid valve
(396) and the solenoid retainer (395).
Fig. 507: Identifying Electrical Connectors Components
Courtesy of GENERAL MOTORS CORP.
17. Snap the wiring harness in place on the valve body bolts. Ensure the harness loom tab is
located under the TFP switch.
18. Install the wiring connectors to the electrical components as indicated in the following list:
1 - TFP manual valve position switch
2 - 1-2 shift solenoid
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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