2000 Sunbird L4-121 2.0L VIN B 2-bbl (1984)
Antenna Mast: Technical Service Bulletins
Power Antenna Mast - Cleaning & Lubricating
Number 84-9-9
Date 6/84
Subject:
CLEANING AND LUBRICATING POWER ANTENNA MAST SECTIONS
Periodic cleaning and lubrication may be necessary to assure proper radio and antenna operation. The following procedure is recommended:
A.
To clean (before lubricating) mast sections:
1.
Actuate antenna to full mast extension.
2.
Dampen clean cloth with mineral spirits.
3.
Wipe cloth over antenna mast sections removing any dirt.
4.
Actuate antenna through one complete cycle (retract and extend).
5.
Repeat steps 1 through 4 at least two more times.
B.
To lubricate (after cleaning) mast sections:
1.
Actuate antenna to full mast extension.
2.
Dampen clean cloth with oil - GM 9981712 (i.e. light sewing machine oil).
3.
Wipe cloth over antenna mast sections evenly distributing oil over mast sections surfaces.
4.
Actuate antenna through one complete cycle (retract and extend).
5.
Repeat steps 1 through 4 at least two more times.
