"The 6T30's low/reverse one-way clutch hub is a critical rotational control component in the transmission's planetary gearset. Key characteristics:

1. 1. Function: Engages during low gear and reverse to prevent counter-rotation, while freewheeling in other gears.

   2. Common Issues: Prone to wear or roller clutch failure, causing slipping in low/reverse (common symptom: delayed reverse engagement).

   3. Material: Typically hardened steel construction for durability under torque loads.

   4. Maintenance: Requires complete transmission disassembly for replacement; often inspected during rebuilds for roller cage damage or raceway scoring.
      Pro Tip: Failure often accompanies worn reaction carrier bearings – always inspect both components together."

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