Upgrade Control Solenoid Valve and Trans Module - Silverado 1500 4WD Hybrid 2009
Do not tighten the bolts at this time.
4. Install by hand the control valve body bolts (3) to the control solenoid valve and TCM assembly.
5. Install the wire harness retainer (2).
Note
Do not tighten the bolts at this time.
6. Install by hand the control solenoid valve heat sink bolts (1) to the control solenoid valve and TCM assembly.
Caution: Bolt torque sequencing is critical to the proper function of the control solenoid valve assembly. Failure to follow the required
sequencing may result in transmission malfunction.
Caution: Refer to Fastener Caution (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution) .
7. Torque the bolts following the specified sequence.
Tighten the control valve body bolts to 11 Nm (97 lb in).
Tighten the control solenoid valve heat sink bolts to 7 Nm (62 lb in).
