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Service bulletin RN-111-2

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 id10040387
Published by NHTSA2011-08-29
Manufacturer's numberRN-111-2
Manufacturer's date2011-03-10
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS

NHTSA's summary

PACCAR SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE AIR COMPRESSOR HOSE MAY COLLAPSE OR DISINTEGRATE, WHICH CAN LEAD TO DAMAGE. *RM

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

Engine, Cooling system

Vehicles listed
PETERBILT 3652010
PETERBILT 3842010

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
RN-111-32011-08-29. Service bulletin. PETERBILT SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. AN OVERBELL INTERFERES WITH ENGINE COOLANT FITTINGS WHICH MAY RESULT IN COOLANT LOSS. *RM