Suburban 3/4 Ton 4WD V8-305 5.0L (1986)
1.
Frozen steering shaft bearings.
2.
Lower coupling flange rubbing against adjuster.
3.
Tires not inflated properly.
4.
Incorrect caster and toe-in.
5.
Tight steering linkage.
6.
Steering gear or column misalignment.
7.
Tight suspension ball joints.
8.
Steering adjustment tight.
9.
Thrust bearing adjustment tight.
10.
Tight sector-to-rack piston adjustment.
11.
Rack piston nut and worm preload too tight.
12.
Sticky valve spool.
13.
Lack of lubricant in suspension joints and steering linkage.
14.
Steering wheel rubbing against directional signal housing.
15.
Rubber spacer in shift tube is rubbing steering shaft.
Steering Gear Noise
1.
A rattle or chuckle noise caused by loose over-center adjustment.
2.
A hissing sound caused by gear being loose on frame.
Valve Squawk
1.
Cut or worn dampener ring on valve spool.
2.
Loose or worn rotary valve parts.
3.
Loose belt.
4.
Glazed belt.
5.
Flow control valve sticking or binding.
Vehicle Leads to One Side
1.
Front end misalignment.
2.
Unbalanced or badly worn valve.
3.
Improper tire inflation.
4.
Radial tire pull.
Wheel Surges or Jerks
1.
Loose pump belt.
2.
Fluid level low.
3.
Steering linkage hitting engine oil pan at full turn.
4.
Sticky flow control valve.
