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Home >> GMC >> 1992 >> Forward Control 5.7 K, Standard >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Diagnosis - A/T >> Diagnostic Flow Charts (Cars) >> Chart C-8A, Torque Converter Clutch Electrical Diagnosis - 2.5L TBI A & N Bodies >> Diagnostic Aids

Diagnostic Aids

An engine coolant thermostat that is stuck open or opens at too low a temperature may result in an inoperative TCC.

Fig 1: Chart C-8A, TCC Troubleshooting Chart (2.5L TBI A & N Bodies)
G92H14859Courtesy of GENERAL MOTORS CORP.
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