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Service bulletin RN-11122

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 id10052050
Published by NHTSA2013-05-08
Manufacturer's numberRN-11122
Manufacturer's date2013-01-02
NHTSA componentSUSPENSION; STRUCTURE:FRAME AND MEMBERS

NHTSA's summary

PETERBILT: ON SOME TRUCKS, THE FRAME SUSPENSION CROSS MEMBER LOWER/BOTTOM GUSSETS FAILS TO MEET QUALITY SPECIFICATIONS DEMAND AFTER BEING MANUFACTURED, AND NEED TO REPLACE ORIGINAL BOTTOM GUSSETS AND REINFORCEMENT ADDED TO GUSSET. NO MODELS OR MODEL YEARS LISTED. *PE

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

Body and frame, Suspension

Vehicles listed
PETERBILT PETERBILT

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