Technical Bulletin | Chatter in First or Reverse Gear

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Phoenix Friction Technical Bulletin	TB014
Problem: Chatter in First or Reverse Gear Clutch Kits Affected: 04-068, 04-069

Units diagnosed as having clutch chatter may be corrected by repositioning the frame mounted cordon shaft bracket (cross-shaft bracket) from the left hand frame rail to the cab toe panel. See GM Bulletin No. 83-93-7C for parts list and instructions.