Ford C6 Rebuild ATSG Tech Manual Note: This manual is now only availble id CD-ROM only! No more book design. Start your rebuild here... This is a very well illustrated manual with valuable information on the tolerances that the C6, requires. It is the manual all the shops use; if you are planning on rebuilding your transmission yourself I would highly recommend owning one. It is extremely easy to follow and has useful illustrations. Start your rebuild out right with the information this manual provides it will guarantee a successful rebuild! This manual covers: General Description, transmission assembly, dis-assembly, diagnosis, and troubleshooting. It is extremely easy to follow and has useful illustrations. Start your rebuild out right with the information this manual provides it will guarantee a successful rebuild! This manual covers: General Description, transmission assembly, dis-assembly, diagnosis, and troubleshooting.