The truck is a 94 K2500, 4L60E, 3.73 Gears
The Issue: When in first gear and applying medium to heavy throttle the transmission is screeching like when you run the starter on an engine that is already running, Metal on metal grinding sound. The transmission shifts perfectly, the fluid is clear and smells new. Truck has zero issues other than this, makes no noise at idle or under any other throttle condition. Doesnt do it in reverse.
Any ideas? I cant find anyone with a similar issue.
The Issue: When in first gear and applying medium to heavy throttle the transmission is screeching like when you run the starter on an engine that is already running, Metal on metal grinding sound. The transmission shifts perfectly, the fluid is clear and smells new. Truck has zero issues other than this, makes no noise at idle or under any other throttle condition. Doesnt do it in reverse.
Any ideas? I cant find anyone with a similar issue.