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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 542 (Automatic Transmission - 2ML70 - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> Control Valve Assembly Removal

Control Valve Assembly Removal

WARNING: This page is about a different car, the 2012 GMC Yukon, 2012 Chevrolet Tahoe, and 2012 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Control Valve Assembly
GM1867765Courtesy of GENERAL MOTORS COMPANY
Control Valve Assembly Removal

Callout Component Name
1 Control Solenoid (with Body and TCM) Valve Assembly
Procedure 
Disconnect the wiring harness.
2 Shift Shaft Position Switch
Procedure 
Disconnect the wiring harness.
3 A/Trans Wiring Harness Assembly
Procedure 
Disconnect the wiring harness.
4 Control Valve Upper Body Bolt M6 x1.0 x 65 (Qty: 4)
TIP:  Do not remove all the bolts in the control valve body assembly. Remove only the bolts indicated.
5 Internal Wire Harness Side Bracket
6 Control Valve Upper Body Bolt M6 x 1.0 x 80 (Qty: 2)
7 Control (with Body and Valve) Valve Assembly
CAUTION:

Use care when handling the control valve body assembly. If dropped, damage to the control solenoid valve body assembly internal components, including the transmission control module (TCM), may result.

8 A/Trans Fluid Pump Seal Assembly
TIP:  Do not reuse the seal assembly.
9 Hybrid Low, 1-2 Clutch Regulator Valve Seal (Qty: 6)
TIP:  Do not reuse the seal assembly.