Yukon/Denali 4WD V8-4.8L VIN V (2005)
Shift Solenoid: Service and Repair
Control and Shift Solenoids Replacement
Removal Procedure
1. Remove the transmission filter.
2. Important: Removal of the 1-2 accumulator is necessary only if servicing the pressure control solenoid.
Remove the 1-2 accumulator, if necessary.
3. Disconnect the internal wiring harness electrical connectors from the following components:
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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)
4. Remove the pressure control solenoid retainer bolt (364A) and retainer (378).
5. Remove the pressure control solenoid (377).