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Ranger 2WD V6-177 2.9L (1989)

Body and Frame > Auxiliary Step / Running Board > System Information > Technical Service Bulletins > Running Boards - Noise/Vibration Installation Tips

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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

Body and Frame > Auxiliary Step / Running Board > System Information > Technical Service Bulletins > Running Boards - Noise/Vibration Installation Tips

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