Hi all, I have a 2005 Cummins 330 ISC and will be changing out the fuel filters soon. Do I need to pre fill them or just cycle the ign switch a few times? I have read conflicting info on this and j...
With an 05, you can turn the ign switch on and listen for the pump. I like to do this 5 or 6 times. The common rail system will purge the air out. No need to pre-fill. DO NOT put ATF in a CR system.