GM Service Manual Online
For 1990-2009 cars only

Converter Ballooning for Chevrolet Chevy MD Steel Tilt (W Model) 1996

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