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Service bulletin SIS-21755

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 id10040950
Published by NHTSA2011-09-14
Manufacturer's numberSIS-21755
Manufacturer's date2011-02-01
NHTSA componentTIRES

NHTSA's summary

FORD: 2011-2012 MUSTANG. RACE TRACK TIRES MAY CAUSE A STEERING WANDER/FIGHT WHEN ON REGULAR ROADS. THEY MAY ALSO SHAKE/SHUDDER. *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

Tires

Vehicles listed
FORD MUSTANG2011, 2012

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