PDF-4L80E

PDF-4L80E Download: 4L80E Rebuild/Reference Procedure

GM 4L80E Rebuild Procedures by Cliff McCormick is a practical technical manual published by the Automatic Transmission Rebuilders Association (ATRA). It provides step-by-step instructions for disassembling, inspecting, and reassembling the GM 4L80E transmission, the workhorse of GM's light truck series.

Written in accessible language for technicians, the book features detailed subassembly sections for the pump, clutch packs, drums, and gear train. It includes critical specifications, identifies design updates (such as post-1997 lube system modifications), and incorporates essential ATRA Technical Bulletins to address common high-line pressure and shifting issues.