Sierra Classic 2500 4WD V8-6.0L (2007)
Clutch Control Solenoid Valve: Service and Repair
Control and Shift Solenoids Replacement
Removal Procedure
1. Remove the transmission filter. Refer to Automatic Transmission Fluid and Filter Replacement.
2. Important:
Removal of the 1-2 accumulator is necessary only if servicing the pressure control solenoid.
Remove the 1-2 accumulator, if necessary. Refer to Accumulator Assembly, Spacer Plate, and Gaskets.
3. 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)
^
3-2 control solenoid (6)
4. Remove the pressure control solenoid retainer bolt (364A) and retainer (378).
5. Remove the pressure control solenoid (377).
