Chevrolet 1977 light duty truck Service Manual page 207

H IG H S T E E R IN G S H A F T E F F O R T
Cause
A. Column assembly misaligned in vehicle.
B. Improperly installed or deformed dust seal.
C. Tight or frozen upper or lower bearing.
D. Flash on l.D. of shift tube from plastic joint.
H IG H S H IF T E F F O R T
Cause
A. Column not aligned correctly in car.
B. Improperly installed dust seal.
C. Lack of grease on seal or bearing areas.
D. Burr on upper or lower end of shift tube.
Lower bowl bearing n o t assembled properly (tilt).
E.
F. Wave washer w ith burrs (tilt only).
IM PR O PER T R A N S M IS S IO N S H IF T IN G
Cause
A. Sheared shift tube joint.
B. Improper transmission linkage adjustment.
C. Loose lower shift lever.
D. Improper gate plate.
Sheared lower shift lever weld.
E.
LASH IN M O U N T E D C O L U M N A SS E M B LY
Cause
A. Instrument panel mounting bolts loose.
B. Broken weld nuts on jacket.
C. Instrument panel bracket capsule sheared.
D. Instrument panel to jacket mounting bolts loose.
Loose shoes in housing (tilt only).
E.
F. Loose tilt head pivot pins (tilt only).
G. Loose shoe lock pin in support (tilt only).
M IS C E L L A N E O U S
Cause
A. Housing loose on jacket - will be noticed with ignition in
"Off-Lock" and a torque applied to the steering wheel.
B. Shroud loose on shift bowl.
Solution
A. Realign.
B. Remove and replace.
C. Replace affected bearing or bearings.
D. Replace shift tube.
Solution
A. Realign.
B. Remove and replace.
C. Lubricate bearings and seals.
D. Remove burr.
Reassemble properly.
E.
F. Replace wave washer.
Solution
A. Replace shift tube assembly.
B. Readjust linkage.
C. Replace shift tube assembly.
D. Replace with correct part.
Replace tube assembly.
E.
Solution
A. Tighten to specifications. (20 ft. lbs.)
B. Replace jacket assembly.
C. Replace bracket assembly.
D. Tighten to specifications. (15 ft. lbs.)
Replace.
E.
F. Replace.
Replace.
G .
Solution
A. Tighten four mounting screws - (60 in. lbs.)
B. Bend tabs on shroud over lugs on bowl.