ATSG GM THM 4L40-E/5L40-E Technical Manual is necessary to diagnose, overhaul and/or repair the 5L40E transmission. GM THM 4L40-E/5L40-E transmission Found in 1999 and up BMW & the 2003 Cadillac CTS. This manual covers assembly, dis-assembly, diagnosis & troubleshooting. ATSG breaks down the process step by step to provide you with a very detailed description on the "how to" help you in repairing, overhauling or servicing the 5L40E transmission. ATSG technical manuals are written and produced by ATSG's professional technical staff. They have over 100+ combined years of experience, knowledge & wisdom. If you are looking to complete a band adjustment, torque specs, service a transmission, shift kits, or just doing a full rebuild on a unit our technical manuals are a must have. It covers everything from parts identification, exploded views, home specs, wiring harness locations, routing, electrical diagrams, internal planetary components, how to disassemble a transmission, how to rebuild the individual components, torque specs, valve body identification, extension housing overviews and much, much more. Click the "ADD TO CART" Button to Get Your ATSG 5L40E Automatic Transmission Technical Manual Now!