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Home >> Chevrolet >> 2021 >> Trailblazer RS, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Automatic Transmission - VT40 (MRG) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> No Torque Converter Clutch Apply

No Torque Converter Clutch Apply

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Checks Action
Stator Shaft on the Fluid Pump Assembly (156) Inspect for debris or damage - causing restricted fluid flow and increased fluid temperature.
TCC Valve (225) and Spring (226) Inspect for wear, sticking, binding, or damage. Control Valve Body Cleaning and Inspection
TCC Control Valve Lineup (227 - 229) Inspect for wear, sticking, binding or damage. Control Valve Body Cleaning and Inspection
Control Valve Body Assembly (67) Inspect for porosity, damage, or contamination with debris. Replace or flush the control valve body assembly (67). Control Valve Body Cleaning and Inspection .
TCC Regulator Valve (240) and Spring (239) Inspect for wear, sticking, binding or damage. Control Valve Body Cleaning and Inspection
Turbine Shaft O-Ring Seal (301) and Fluid Seal Rings (300) Inspect for cut o-ring or damage to seal rings. Forward Clutch Removal
Pressure Regulator Valve Lineup (220 - 224) Inspect for wear, sticking or binding. Transmission Fluid Pump Cleaning and Inspection
VFS TCC Control Solenoid E (252) Inspect for damage. Control Valve Solenoid Body Cleaning and Inspection