Chevrolet 1980 Light Duty Truck Service Manual page 219

LOCK SYSTEM HIGH EFFORT (CO NT'D.)
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Cause
H. D isto rte d co u p lin g slo t in rack (ti lt ).
I. Bent or restricted actuator rod.
J. Ignition switch mounting bracket bent.
HIGH EFFORT LOCK C Y LIN D E R
"O F F " AND "O FF-LO C K " POSITIONS
Cause
A. Burr on tang o f shift gate.
B. Distorted rack.
STICKS IN "S TA R T" POSITION
Cause
A. Actuator rod deformed.
B. Any high effort condition.
KEY CAN NOT BE REM OVED
IN "O FF-LO C K " POSITION
Cause
A. Ignition switch is not set correctly.
B. Defective lock cylinder.
LOCK C YLIN D ER CAN BE REM OVED
W ITH O U T DEPRESSING R ETA IN ER
Cause
A. Lock cylinder with defective retainer.
B. Lock cylinder without retainer.
Burr over retainer slot in housing cover.
C.
LOCK BOLT HITS SH A FT LOCK
IN "O F F " AND "PA R K " POSITIONS
Cause
A. Ignition switch is not set correctly.
IG N IT IO N SYSTEM - ELECTRICAL SYSTEM
W ILL NOT FUNCTION
Cause
A. Defective fuse in " accessory" circuit.
B. Connector body loose or defective.
C. Defective wiring.
Fig. 3 B 4 -4 --A u to m a tic Transm ission Colum n Diagnosis Chart B
Solution
H. Replace rack.
I. Straighten remove restriction or replace.
J. Straighten or replace.
BETWEEN
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Solution
A. Remove burr.
B. Replace rack.
Solution
A. Straighten or replace.
B. Check items under high effort section.
Solution
A. Readjust ignition switch.
B. Replace lock cylinder.
Solution
A. Replace lock cylinder.
B. Replace lock cylinder.
C. Remove burr.
Solution
A. Readjust ignition switch.
Solution
A. Replace fuse.
B. Tighten or replace.
C. Repair or replace.
STEERING CO LUM NS
LIG H T T R U C K SERV ICE M AN UAL
3B4-5