GM THM 4L60 / 700-R4 Transmission 1987-1993 Rebuild Manual

GM THM 4L60 (700-R4) Transmission (1987 to 1993) found in many domestic vehicles. The ATSG 4L60 (700-R4) Technical Manual covers assembly, dis-assembly, diagnosis, and troubleshooting.

Note: There have been many engineering changes in this transmission since its introduction. ATSG also has available an "Update Handbook" (83-700-R4-4L60-U1) which includes the many changes and is required along with this manual for a proper overhaul or repair.

Contents:

• General Description
• Line Pressure Check
• Diagnostic Charts
• Internal Wiring Harness Schematics
• Oil Pres. Passage ID
• Spacer Plate ID Charts
• Trans Disassembly
• Component Repair & Re-Assembly
• L/R Support & L/R Piston ID
• Low/Reverse Selective Plate ID
• Output Shaft Identification
• Input Housing Identification
• Turbine Shaft Identification
• Different 3-4 Clutch Stack-Ups
• Reverse Input Housing ID
• Pump Cover Identification
• Valve Body Checkball Locations
• Case Checkball Locations
• Accumulator Orientation Charts
• Auxiliary Valve Body Checkball Locations
• Torque Specifications
• Special Tools