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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 237 (Automatic Transmission - 4L80-E/4L85-E (Service & Replacement)) >> Diagnostic Information and Procedures >> Converter Ballooning

Converter Ballooning

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 GMC Savana Special, 2003 GMC Savana Camper Special, 2003 GMC Savana, 2003 Chevrolet RV Cutaway, and 2003 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
Converter Ballooning

Checks Cause
Converter Limit Valve (214) Stuck open due to sediment or undersized bore
At High Speeds: Converter Limit Valve Feedback Orificed Cup Plug Blocked
Converter Stator Locked-up