I have 2007 Freightliner Columbia with a 60 series Detroit May 04, 2012I have a 2009 freightliner Columbia 120 with Detroit series 60 14l at 455 HPAfter shutting down the engine and pulling the ignition key out it seems the turbo actuator and the fan clutch are keep maki read more FREIGHTLINER COLUMBIA DRIVER MANUAL Pdf Download. Columbia Trucks pdf manual download. Page 101: Zf-freedomline Automated Transmissions With the transmission in neutral, release the pedal in the cab. Inspect visible engine wiring for damage or looseness. Check for loose wiring, chafed insula- tion, and damaged or loose hold-down clamps.