4l60e Transmission Manual - FINDING GOOD SERVICE INFORMATION CAN BE THE TOUGHEST PART OF AUTOMATIC TRANSMISSION REPAIR! The well illustrated, easy to read manuals from Automatic Transmission Service Group are both comprehensive and inexpensive!. 2004r 350 700r4 4l60e 4l65e 4l70e 4l30e sm318 sm319 st300 jetaway saginaw etc transmission & bw1372 np207 np231 np233 np247 np249 transfer case tail housing bushing 1.630" o.d. dimpled. The Novak Guide to the Jeep NSG370 Transmission. The NSG370 transmission was introduced in 2005 as the first six-speed to ever equip a Jeep. The transmission was direct evidence of Chrysler's then-league with Daimler..