Removal Procedure
WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
- Remove the catalytic converter. Refer to Catalytic Converter Replacement (1500 ) or Catalytic Converter Replacement (LFA) .
- Remove the transmission fluid filter and auxiliary fluid pump filter. Refer to Automatic Transmission Fluid Filter and Auxiliary Fluid Pump Filter Replacement .
- Remove the transmission electrical connector passage sleeve. Refer to Automatic Transmission Electrical Connector Passage Sleeve Replacement .
- Remove the transmission wiring harness from the wire harness retainer (2).
- Remove the transmission wiring harness connector (1) from the wire harness retainer.
- Disconnect the transmission wiring harness from the control solenoid valve body (3).
- Remove the control solenoid valve heat sink bolts (1) from the control solenoid valve and transmission control module (TCM) assembly.
- Remove the wire harness retainer (2).
- Remove the control valve body bolts (3) from the control solenoid valve and TCM assembly.
- Remove the control solenoid valve and TCM assembly (4).
- Remove the control valve channel plate spacer plate gasket (1).
- Remove the transmission wiring harness assembly (2).
Fig 2: Control Solenoid Valve Heat Sink Bolts, Wire Harness Retainer, Control Valve Body Bolts & Valve And TCM Assembly
NOTE:
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.
NOTE:
Discard the channel plate. Replace with a NEW channel plate. Reusing an old channel plate may cause damage to the control solenoid valve assembly.
IMPORTANT:
Use care when removing the channel plate assembly. However, if a retaining tab is broken or missing, DO NOT replace the control solenoid valve assembly. The channel plate assembly can still be adequately aligned.