Ball J O In - GMC 1986 P-Truck Service Manual

Figure 56—Installing The Upper King Pin
NOTICE: Failure to com pletely pack the
bearing (cones, rollers, and cage) with grease
will result in premature bearing damage
and/or wear.
• R efer to M A IN TE N A N C E
LUBRICATION (SEC. OB).
3. Bearing (283) and seal (284).
• Use J-22301 to install the NEW seal (Figure
55).
• Do not distort the seal. It will protrude
slightly from the surface of the axle yoke
flange when fully seated.
4. Upper king pin (279).
• Use J-28871 (figure 56).
Tighten
• King pin (279) to 745 N m (550 ft. lbs.).
5. Steering knuckle (274) and bushing (287).
• Felt seal (280) to the king pin (279) through
the steering knuckle.
• Knuckle onto the king pin (279).
• Place the bushing (287) over the king pin
(279).
6. Bearing cap and king pin (285) to the steering
knuckle (278).
• 4 bolts (271) and washers (272).
Tighten
$
• Bolts (271) alternately and evenly to 108 N m
(80 ft. lbs.).
7. Steering arm (290) to the steering knuckle (274).
• Compression ring (288), gasket (289), and
steering arm (290).
• Nuts (291).
FRONT SUSPENSION 3C-53
Q Tighten
• Nuts (291) alternately and evenly to 108 N m
(80 ft. lbs.).
8. Spindle (265).
AND
• Refer to " Spindle," in this section.
9. Wheel hub/rotor assembly.
• Refer to " Wheel Hub/Rotor Assembly," in
this section.
10. Adjust the wheel bearings.
• Refer to " Wheel Bearing Adjustment" in
this section.
11. Locking hub (249).
• Refer to FRONT AXLE (SEC. 4C).
12. Wheel and tire assembly.
13. Check the front end alignment.
• Refer to FRONT END ALIGNMENT (SEC.
3A).
14. Lower the vehicle to the ground.
BALL JOINTS (10/1500-20/2500
SERIES VEHICLES ONLY)
Remove or Disconnect (Figures 37, 38, 57 and
58)
Tools Required:
J-9519-10 Ball Joint Fixture
J-23454-1 Lower Ball Joint Spacer
J-23454-3 or
J-6382 Upper Ball Joint Spacer
J-23454-4 Upper and Lower Ball Joint
Sleeve
• Raise the vehicle and support with suitable safety
stands. Remove the wheel and tire assembly.
1. Wheel hub/rotor assembly.