Chevrolet 1977 light duty truck Service Manual page 281

Probable Cause
a. Ball joints and steering linkage need lubrication
b. Low or uneven front tire pressure
c. Power steering partially or not operative
d. Steering gear not properly adjusted
e. Incorrect front wheel alignment (manual steering)
a.
Ball joints and steering linkage need lubrication
b.
Low or uneven front or rear tire pressure
c. Loose wheel bearings
d. Steering Gear not on high point
e.
Incorrect front wheel alignment (caster)
f.
Broken springs
g- Malfunctioning sfiock absorber.
h. Broken stabilizer bar, or missing link
a.
Tire and wheel out of balance, or out of round
b. Worn or loose wheel bearings
c. Worn tie rod ends
d. Worn ball joints
e.
Malfunctioning shock absorber
a. Low or uneven tire pressure
b. Front or rear brake dragging
c. Broken or sagging front spring
d. Incorrect front wheel alignment (Camber)
a. Incorrect steering gear adjustment
b. Worn steering gear parts
H A R D S T E E R I N G
a.
b. Inflate tires to the proper recommended pressure
c. Check power steering components for proper operation
d. Adjust steering gear
e.
POOR D I R E C T I O N A L S T A B I L I T Y
a.
b. Inflate tires to the proper recommended pressure
c.
d. Adjust steering gear
e. Check and align front suspension
f.
g-
h
F R O N T W H E E L S H I M M Y
(SMOOTH ROAD SHAKE)
a.
b. Adjust wheel bearings
c.
d. Replace ball joints
e.
V E H I C L E P U L L S T O O N E SI DE
(NO BRAKING ACTION)
a.
b. Adjust brakes
c.
d. Check and align front suspension
E X C E S S I V E P L A Y IN S T E E R I N G
a.
b. Overhaul Gear
Probable Remedy
Lubricate ball joints and linkage
Check and align front suspension
Lubricate at proper intervals
Adjust wheel bearings
Replace springs
Diagnose shock absorbers.
Replace stabilizer or link
Balance tires, check run-out
Replace tie rod end
Diagnose shock absorbers
Inflate tires to the proper recommended pressure
Replace sp'ring
Adjust steering gear