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Service bulletin SB644003

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 id614519
Published by NHTSA2000-10-25
Manufacturer's numberSB644003
Manufacturer's date2000-08-04
NHTSA componentEQUIPMENT:RECREATIONAL VEHICLE/TRAILER

NHTSA's summary

SUBJECT REGARDING REVISED SLEEPER SHELF MOUNTING ARRANGEMENT USED IN MODEL CHASSIS EQUIPPED WITH 56" AND 70" FLAT-TOP AND MID-RISE SLEEPERS. *TT

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

Equipment and accessories

Vehicles listed
MACK CX

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