K 1500 Truck 4WD V8-350 5.7L (1986)
FIGURE NO. 3 - Ball Joint Turning Effort
If the lead condition still exists, perform the following procedure:
PROCEDURE B:
Inspect front spring bushings for visible deterioration. Replace as necessary.
Install a modified #3 spring leaf (P/N 460359) on vehicles currently equipped with two leaf springs as follows:
From the middle of the center bolt hole in the new #3 spring leaf, measure forward approximately 2-1/2 inches. Mark this point and cut using a suitable
tool such as a panel cutter. Remove any roughness from the cut end of the spring and "round" the upper cut edge with a die grinder. Install the springs
under the second leaf where a third leaf would normally be located. See Figure No. 2.
Refer to the alignment specifications previously recorded and increase caster angle to + 10.0 degrees using the proper steel caster wedge (P/N provided
in Parts Information). Install the steel caster wedge between the axle pad and the spring pad. The thicker end of the wedge should be positioned toward
rear of the vehicle.
Disconnect tie rod ends. Measure Ball Joint turning effort and correct as required. See Figure No. 3 and accompanying instructions.
Reconnect tie rod, torque to spec. 40 ft.lbs. (55 N-m).
Position front wheels straight ahead
Disconnect drag link at steering gear
Center steering gear using procedure specified in Section 3B.
Adjust drag link to reconnect to steering gear
To confirm vehicle is repaired, conduct series of 5 stops from 55 mph bringing vehicle to stop in 5 seconds (15 FPS SQ.) and compare to initial stops.
If the lead condition still exists, perform the following:
PROCEDURE C
Replace rotors if not replaced in Procedure A. If rotors were replaced in Procedure A rotate them from side to side.
Make a series of 5 stops from 55 mph, bringing vehicle to a stop in 5 seconds. (15 FPS SQ.) Record findings.
Parts Information
