Sierra 1500 4WD V8-5.3L VIN B HO (2006)
4. Disconnect the internal wiring harness electrical connectors from the following components:
^
Transmission fluid pressure switch (1)
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1-2 shift control solenoid (2)
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2-3 shift control solenoid (3)
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Pressure control solenoid (4)
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Torque converter clutch pulse width modulation (TCC PWM) solenoid (5)
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3-2 control solenoid (6)
5. Remove the TCC PWM solenoid retainer.
6. Remove the TCC PWM solenoid in order to access one of the TCC solenoid bolts.
7. Remove the pressure control solenoid retainer bolt (364A) and retainer (378).
8. Remove the pressure control solenoid (377).
