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Service bulletin 982321

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id603927
Published by NHTSA1999-03-11
Manufacturer's number982321
Manufacturer's date1998-11-23
NHTSA componentSUSPENSION

NHTSA's summary

SERVICE PROCEDURES AND VEHICLE ATTITUDE SERVICE KITS HAVE BEEN DEVELOPED TO ASSIST CUSTOMERS AND VEHICLE MODIFIERS WITH SIDE -TO- SIDE LEVELING CONCERNS RELATED TO WEIGHT DISTRIBUTION. *YC

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Suspension

Vehicles listed
FORD F SUPER DUTY1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
FORD F SUPER DUTY1998 to 1999

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
967202000-06-21. Service bulletin. EXPERIENCING FRONT END SHIMMY OCCURRING AT VARIOUS DRIVING SPEEDS AND IS USUALLY INDUCED WHEN HITTING BUMPS SUCH AS LARGE POTHOLES OR ROUGH RAILROAD CROSSINGS. *TT
973101997-06-27. Service bulletin. NOISE- "POPPING/CREAKING"- FRONT FRAME OR SUSPENSION BRACKETS- FRAME- "POPPING/CREAKING"- FASTENER REPLACEMENT. *JD
9624131997-06-17. Service bulletin. SUSPENSION - FRONT OR REAR - SIDE-TOSIDE LEVELING PROCEDURES AND ATTITUDE SERVICE KITS FOR F53 RV BASIC STRIPPED CHASSIS. *TW
95971995-11-01. Service bulletin. UNKNOWN