Ranger 2WD V6-177 2.9L (1989)
Auxiliary Step / Running Board: Technical Service Bulletins
Running Boards - Noise/Vibration Installation Tips
Article No.
95-8-6
04/24/95
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RUNNING BOARDS - INCORRECTLY INSTALLED - NVH CONCERNS
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NOISE - VIBRATION - RUNNING BOARDS - INCORRECTLY INSTALLED
LIGHT TRUCK:
1987-90 BRONCO II
1987-95 BRONCO, ECONOLINE, F-150-350 SERIES, RANGER
1988-95 F SUPER DUTY
1991-95 EXPLORER
This TSB is being republished in its entirety to include vehicles through the 1995 model year.
ISSUE:
Running boards which are incorrectly installed may result in noise/vibration complaints.
ACTION:
Install running boards to either the body or frame; NEVER to both unless the mounting system uses isolated mounts. A manufacturer's instruction to
attach running boards to both body and frame should be immediately questioned because such action provides a direct path from chassis to body for road
vibration and noise.
OTHER APPLICABLE ARTICLES: NONE
SUPERSEDES: 91-4-11
WARRANTY STATUS: INFORMATION ONLY
OASIS CODES: 108000, 702000, 703000
