hummer Workshop Repair Guides

Hummer Workshop Service and Repair Manuals

1-2 Shift Solenoid (SS) Valve Connector, Wiring Harness Side|Page 4381 > < 1-2 Shift Solenoid (SS) Valve Connector, Wiring Harness Side|Page 4379
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Shift Solenoid: Service and Repair

CONTROL AND SHIFT SOLENOIDS REPLACEMENT

REMOVAL PROCEDURE

1. Remove the transmission oil pan and filter.

IMPORTANT:  Do not remove the valve body for the following procedures. Removal of the 1-2 accumulator is necessary only if servicing the
pressure control solenoid.

2. Remove the 1-2 accumulator if necessary.
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)

-

2-3 shift control solenoid (3)

-

Pressure control solenoid (4)

-

TCC PWM solenoid (5)

-

3-2 control solenoid (6)

4. Remove the pressure control solenoid retainer.
5. Remove the pressure control solenoid.

1-2 Shift Solenoid (SS) Valve Connector, Wiring Harness Side|Page 4381 > < 1-2 Shift Solenoid (SS) Valve Connector, Wiring Harness Side|Page 4379