1. RWD AXLE BEARINGS u Chapter 7 u Page 164 l Classroom Manual u Page 300 l Lab Manual CBCAUTOMOTIVERKCBCAUTOMOTIVERK

2. FULL-FLOATING AXLE u Definition - axle bearing is on the outside of the axle housing. u No weight is on the axle shaft. u Used on 3/4 ton and larger trucks, and four wheel drive front axles. u If axle breaks wheel will not come off. CBCAUTOMOTIVERKCBCAUTOMOTIVERK Page 165 C

3. SEMI-FLOATING AXLES u Definition - axle bearing is inside the axle housing. u Weight of vehicle is on the axle shaft. u If the axle breaks the wheel will come off. CBCAUTOMOTIVERKCBCAUTOMOTIVERK Page 165 C

4. BEARING STYLES u Three styles of RWD solid axle bearings. l Ball Axle Bearing l Straight-Roller Axle Bearings l Tapered-Roller Axle Bearings u Lubricated from differential or packed with wheel bearing grease at time of installation. Page 166-167C CBC AUTOMOTIVERKCBC AUTOMOTIVERK

5. BALL AXLE BEARINGS u Held in place by metal retainer bolted to the end of the axle housing. u Seal is inside of the axle bearing. CBC AUTOMOTIVERKCBC AUTOMOTIVERK Page 166 Figure 7-46

6. STRAIGHT -ROLLER CBC AUTOMOTIVERKCBC AUTOMOTIVERK u Held in place by a C-Clip in the differential case. u Seal is on the outside of the bearing. u Bearing is lubed from differential.

7. TAPERED-ROLLER u Held in place by metal retainer bolted to the end of the axle housing. CBC AUTOMOTIVERKCBC AUTOMOTIVERK u Two seals one inside of bearing, one outside.

8. IRS AXLE SHAFTS u Two types of independent suspension: l Swing Axle u Single Joint u Camber changes with suspension travel. l Independent Rear Suspension u Camber does not change with suspension travel. u Two Joints u Axle bearings are similar to FWD. CBC AUTOMOTIVERKCBC AUTOMOTIVERK Page 168-169C

9. MAINTENANCE u Use correct lube type: l GL-1, GL-2, GL-3, GL-4, GL-5. u Posi-traction differentials require a Limited-slip additive. u Transaxles may require: l Gear oil l Motor oil l ATF CBC AUTOMOTIVERKCBC AUTOMOTIVERK Page 169C