1997 Ford Ranger Repair Question
Auto locking hubs
1997 Ford Ranger 6 cyl Four Wheel Drive Automatic
fron drive axle locks in and out , causing a load bang when under stress( excelleration and decelleration)
hubs heat up fast. would also like location of vacuum lines for this issue and a a scamatic for them
Removal (Ranger) 1. Raise and support vehicle. Remove front wheels. Remove retainer washers from lug nut studs and remove automatic locking hub assembly from spindle. See Fig. 5 . Remove snap ring from end of spindle shaft. Remove axle shaft spacer. 2. Being careful not to damage plastic moving cam or thrust spacers, pull cam assembly off wheel bearing adjusting nut, and remove 2 plastic thrust spacers from adjusting nut. 3. Using a magnet, remove locking key. It may be necessary to rotate adjusting nut slightly to relieve pressure against locking key before key can be removed. Installation To install, reverse removal procedure. Ensure cam assembly key is aligned with spindle keyway. Ensure automatic locking hub assembly legs are aligned with 3 cam assembly pockets. Final end play of hub on spindle should be .000-.003" (.00-.08 mm). Torque required to turn hub and rotor assembly should not exceed 25 INCH lbs. (2.8 N.m). CAUTION: DO NOT pry on cam or spacers during removal, as it may damage cam or spacers. CAUTION: To prevent damage to spindle threads, look into spindle keyway under adjusting nut and remove separate locking key before removing adjusting nut (if necessary).
Ranger (Automatic Locking Hub) 1. Raise and support vehicle. Remove front wheels. Remove retainer washers from lug nut studs and remove automatic locking hub assembly from spindle. See AUTOMATIC LOCKING HUBS under REMOVAL & INSTALLATION. 2. Using Lock Nut Wrench (T70T-4252-B) or 2 3/8" hex lock nut wrench, loosen wheel bearing adjusting nut. While rotating hub and rotor assembly, tighten adjusting nut to 35 ft. lbs. (47 N.m) to seat bearings. Spin rotor and back off adjusting nut 1/4 turn (90 degrees). Retighten adjusting nut to 16 INCH lbs. (1.8 N.m). 3. Align closest lug in wheel bearing adjusting nut with center of spindle keyway slot. Advance nut to next lug if necessary. Install locking key in keyway under adjusting nut. Install locking hub assembly. Final end play of hub on spindle should be .000-.003" (.00-.08 mm). Torque required to turn hub and rotor assembly should not exceed 25 INCH lbs. (2.8 N.m). Install wheels.
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