4 WD HUBS & WHEEL BRGS u Chapter 8 u Page 348 u Lab Manual RK&JHCBCRK&JHCBC

FRONT HUBS u Three types; l Gear - No Hubs - Full Time Only l Manual Hubs - Driver must exit cab. l Automatic Hubs - Locked & Unlocked from inside. Page 348 Lab RK&JHCBCRK&JHCBC

GEAR TYPE - FULL TIME u Identified by chrome cover over hub center. Page 351 Lab RK&JHCBCRK&JHCBC

MANUAL HUBS u Identified by Knob with FREE - LOCK Positions Page 350 Lab RK&JHCBCRK&JHCBC

AUTOMATIC HUBS u Identified by AUTOMATIC l Must check operation to make sure hub is actually unlocking when its suppose to. l No maintenance parts available. Must replace the whole unit if defective. l Normal drivetrain play is evident on - off throttle. Page 348 Lab RK&JHCBCRK&JHCBC

WHEEL BEARINGS u Remove hub. u Bend lock tab, for access to outer nut. u Remove outer nut, with special socket. u Remove washer, which has tang in groove in the spindle. u Remove inner nut. u Remove hub assembly. u Remove spindle, lube inner bearing. RK&JHCBCRK&JHCBC

TOOLS u Use proper tool for JOB! u Make sure to align pin on inside nut with hole in lock washer. RK&JHCBCRK&JHCBC Page 355 Lab

EXPLODED VIEW u Typical solid front axle RK&JHCBCRK&JHCBC Page 353 Lab

LATE MODEL SWING AXLES u Differential is mounted to frame solid u Uses CV joint type axles and has independent front suspension (page 332) u Ford independent front suspension front drive axle assembly uses u-joints. (page 334) RK&JHCBCRK&JHCBC

That’s All Folks!!!!! RK&JHCBCRK&JHCBC