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Service bulletin 20507

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 id10181954
Published by NHTSA2020-11-02
Manufacturer's number20507
Manufacturer's date2020-10-07
NHTSA componentEQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; STEERING:CRITICAL FASTENERS

NHTSA's summary

The bolts that attach the trailing arm to the steerable auxiliary lift axle may not be long enough to engage the locking feature of the corresponding nuts and may result in fracture or loss of the bolt.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Equipment and accessories, Steering

Vehicles listed
INTERNATIONAL HX2020 to 2021

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