Product Overview
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"  which includes the many changes and is required along with this manual for a proper overhaul or repair.
