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Service bulletin CSP-12B35

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 id10044902
Published by NHTSA2012-08-04
Manufacturer's numberCSP-12B35
Manufacturer's date2012-04-04
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:DIESEL

NHTSA's summary

FORD: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. A LEAK MAY HAVE DEVELOPED FROM EITHER PRIMARY OR SECONDARY COOLING SYSTEM RADIATOR, RESULTING IN REDUCED ENGINE POWER, AND HIGH TEMPERATURE IN TRANSMISSION FLUID. *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

Engine

Vehicles listed
FORD F SUPER DUTY

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