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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1123 (Automatic Transaxle, 4T65-E Diagnostics (Troubleshooting)) >> Troubleshooting >> Converter Clutch Stuck On in All Gears

Converter Clutch Stuck On in All Gears

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
TCC Stuck On in All Gears

Checks Cause
DEFINITION: No difference in RPM is noted between the engine speed and the transmission input, turbine, speed in any transmission range. This condition may also cause the engine to stall when the vehicle is slowed to a stop or when the transmission is shifted from Park or Neutral range into Reverse or Drive range.
Control Valve Body Assembly
  • The TCC control valve (335) or the TCC regulator apply valve (327) is stuck or binding.
  • The spacer plate and gaskets (369-371) are misassembled or contain incorrect parts.
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