Chevrolet 30 Series 1967 Service Manual page 183

Fig. 46 - Measuring Pinion Bearing Preload
NOTE: Staking operation must be performed in
such a manner that the seal operating surface is
not damaged.
10. Pack the cavity between the seal lips of the pinion
flange oil seal with a lithium-base extreme pressure
lubricant, position seal in bore then using Tools
J - 21468 and J-9458 for 2400 lb. axles (fig. 49) and
Tool J-21057 for 2900, 3300, 3500 and 3600 lb. axles
(fig. 50). P ress seal into bore until it seats against
internal shoulder.
F ig . 47 - D rive Pinion N ut Removal
REAR SUSPENSION AND DRIVE LINE 4-25
48 -
Fig. D rive Pinion Flange Removal
CAUTION:
Pinion oil seal flange must not bot­
tom against carrier.
bore until it seats against internal shoulder--at
this point there should be a gap of approximately
/ " between seal flange and carrier (fig. 51)^
1 8
Do not apply unnecessary pressure after seal is
seated, to do so will destroy rubber seat and
distort seal.
11. Position and align pinion flange on pinion shaft using
Tools J-9458 and J - 8614-1.
threaded onto pinion shaft and nut tightened against
J-9 4 5 8 -2 to pull flange on shaft (fig. 52). Remove
J-9458 after flange is seated.
NOTE: The position of the pinion and flange
was previously marked so that reinstallation
may be made with flange and pinion in same
relative position.
CAUTION:
Do not attempt to hammer flange
onto pinion shaft. To do so will damage ring
gear and pinion.
F ig . 4 9 - Drive Pinion Flange O il Seal Installation (Light-D uty)
P ress seal into carrier
Tool J - 9458-1 is
CHEVROLET TRUCK SERVICE M ANUAL