Browse Publications Technical Papers 973237
1997-11-17

1998 Ranger Pulse Vacuum Hublock 4x4 System 973237

This paper describes the design and features of the 1998 Ranger Pulse Vacuum Hublock (or PVH) 4x4 system. This part-time 4x4 system with wheel-end disconnect offers optimized fuel economy in a robust design that requires no regularly scheduled maintenance under normal driving conditions. The system allows silent 4WD shift on the fly at any speed or temperature and does not require reversing the vehicle to disengage the hublocks.

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