Chevrolet 1977 light duty truck Service Manual page 209

S T E E R IN G W H EE L LOOSE
Cause
A. Excessive clearance between holes in support or housing
and pivot pin diameters.
B. Defective or missing anti-lash spring in spheres.
C. Upper bearing seat not seating in bearing.
D. Upper bearing inner race seat missing.
F. Loose support screws.
G. Bearing preload spring missing or broken.
S T E E R IN G W H EE L LOOSE E V E R Y O T H E R
T IL T P O S ITIO N
Cause
A. Loose tit between shoe and shoe pivot pin.
NO ISE W H EN T IL T IN G C O L U M N
Cause
A. Upper tilt bumper worn.
B. Tilt spring rubbing in housing.
S T E E R IN G C O L U M N N O T L O C K IN G IN
A N Y T IL T P O S IT IO N
Cause
A. Shoe seized on its pivot pin. ivot pin.
B. Shoe grooves may have burrs or dirt.
C. Shoe lock spring weak or broken.
S T E E R IN G W H E E L F A IL S T O R E T U R N
TO TOP T IL T P O S IT IO N
Cause
A. Pivot pins are bound up.
B. Wheel tilt spring is defective.
Turn signal switch wires too tight.
C.
Solution
A. Replace either or both.
B. Add spring or replace both.
C. Replace both.
D. Install seat.
F. Tighten to 60 in. lbs.
G. Replace preload spring.
Solution
A. Replace both.
Solution
A. Replace tilt bumper.
B. Lubricate.
Solution
A. Replace shoe and-pivot pin.
B. Replace shoe.
C. Replace lock spring.
Solution
A. Replace pivot pins.
B. Replace tilt spring.
Reposition wires.
C.