ATSG 5L40E / 4L40E GM THM Transmission Repair Manual (5L40E Tools - 5L40E Valve Body - 5L40E Transmission for Sale 4L40E Best Repair Book Available!) Step-by-Step Solution to Repair, Overhaul or Rebuild of 4L40E / 5L40E High Quality Charts Available for 4L40E / 5L40E Valve Body Identification, Electrical Diagrams, Wiring Harness Locations Assembly, Dis-assembly, Diagnosis, Troubleshooting, Electronic Controls & Operation Very Detailed Explanation For Easy Repair