Chevrolet 30 Series 1967 Service Manual page 136

FRONT SUSPENSION 3-8
Wheel Hubs, Bearings, Drums
Removal
1. Jack up front end of vehicle and remove wheel and
tire assembly. Remove dust cap from end of hub and
withdraw cotter pin.
2. Remove hub and drum assembly.
NOTE:
In some cases it may be necessary to
back off the brake adjustment because of scored
drums or badly worn linings holding drum on.
3. Remove outer bearing from hub. The inner bearing
will remain in the hub and may be removed by prying
out the inner grease seal.
4. Wash all parts in cleaning solvent.
Inspection
1. Check all bearings for cracked bearing cages, worn
or pitted balls or rollers.
2. Check bearing races for cracks or scoring, check
brake drums for out-of-round or scored condition
and check bearing outer races for looseness in hubs.
Repairs
Replacem ent of Bearing Cups
1. Using steel bar stock 3 /8" x 3/8" in cross section,
make press-out tools shown in Figure 14.
2. Place appropriate tool behind bearing cup, indexing
tool in provided notches, and press out cup with
arbor press.
3. Install inner and outer cups using driver handle
J-8092 ( J - 7079-2 on Chevy Van) (fig. 15) and suitable
cup installers for different vehicle series as listed
in Special Tools illustration, Figure 47.
Wheel Hub and Brake Drum
CP 10 and C h evy V an —Figure 13
1. Brake drum is retained to hub by hub bolts and wheel
nuts. Remove drum and discard gasket.
2. If necessary to replace hub bolts, press out old bolts
and press new bolts in making sure bolt heads seat
squarely on hub flange (fig. 16).
F ig . 1 4 - Wheel Hub Bearing Cup Removal
COMPONENT PARTS REPLACEMENT
3. Place brake drum and a new gasket over hub bolts
when installing hub to wheel spindle.
-30
C P 2 0 —Figure 13
1. Remove two flat head screws securing drum to wheel
hub and remove drum and gasket. Discard gasket.
2. If necessary to replace hub bolts, press bolts out of
hub and remove deflector and deflector gasket.
3. Place new deflector gasket on hub and on P series
align drain holes. Position deflector so that flared
portion registers with drain hole in gasket and hub.
4. P ress new bolts into hub (fig. 16).
5. Place brake drum on hub, indexing drain holes and
retain with the two flat head screws.
CLS40, CDLST50 (except S E 5 3 1 ) —Figure 13
1. Remove brake drum-to-hub bolts and lockwashers.
Separate deflector, gasket and brake drum from hub.
2. If necessary to replace hub bolts, press out old bolts
and press in new serrated bolts, making sure head is
F ig . 1 5 - Installing Bearing Cup (Typ ica l)
CHEVROLET TRUCK SERVICE M ANUAL