Problem-Antenna Doesn't Move Up And Down Full Travel; On-Car Service - Pontiac TRANS AM 1977 Service Manual

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ACCESSORIES
9-49
:AR W I R I N G
r\
\
:ONNECTOR
BLACK
WHITE
31 79
Fig.
9-57 Step 5
PROBLEM-ANTENNA DOESN'T MOVE UP AND
DOWN FULL TRAVEL
ANTENNA MOTOR RUNS BUT ANTENNA DOESN'T
MOVE
PROCEDURE
RESULT
STEP 1
1) Remove antenna unit from vehicle (see
ANTENNA DOES NOT EXTEND AND/OR RETRACT
Fig. 9-58)
Replace mast and support tube assembly.
2) Disassemble mast and support tube
assembly from motor-gear box assembly (refer
to Overhaul Procedure).
3) Check that drive cable is attached to the
ANTENNA SECTIONS EXTEND AND RETRACT
mast; next, manually extend and retract the
EASILY.
mast sections and note whether they move
If drive cable does not appear to be worn
freely.
or damaged replace c~mplete antenna assembly.
NOTE: If antenna has been extended for a length of time
and will not retract try cleaning the mast before ding
further.
ON-CAR SERVICE
REMOVE AND REPLACE (FIG. 9-58 AND
9-59)
3. Remove nut on inside of fender skirt which attaches
to bottom of power antenna assembly. Allow antenna to drop
down. Attaching a cord to the tip of the antenna will help
with reassembly.
4. To reinstall the new antenna unit, attach the cord to
the tip of the antepna mast, and draw into position. Install
attaching nut and screw. Reattach fender.
1. Remove outer bezel and top attaching screw, and
disconnect wires and antenna lead-in.
2. Remove bolts at bottom of fender and fender skirt to
allow fender to be moved outward.

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Firebird 1977

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