Avalanche 2500 4WD V8-8.1L VIN G (2003)
Torque Converter Clutch Solenoid: Service and Repair
4L80-E/4L85-E
4L80-E/4L85-E
Torque Converter Clutch (TCC) Valve and Spring Replacement
Removal Procedure
1. Remove the transmission filter.
Caution:
Valve springs can roe tightly compressed. Use care when removing retainers and plugs. Personal injury could result.
2. Remove the valve bore plug retainer plug (1).
3. Remove the following parts:
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The valve bore plug
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The TCC valve
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The TCC valve spring
Installation Procedure