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Service bulletin 16663

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 id10002513
Published by NHTSA2003-09-04
Manufacturer's number16663
Manufacturer's date2003-02-01
NHTSA componentSTEERING:HYDRAULIC POWER ASSIST SYSTEM

NHTSA's summary

POWER STEERING LOWER ASSIST AT LOW SPEEDS / STEERING LIGHT FEEL AT HIGHER SPEEDS. *TT

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

Steering, Power steering

Vehicles listed
FORD CROWN VICTORIA2003
LINCOLN TOWN CAR2003
MERCURY GRAND MARQUIS2003
MERCURY MARAUDER2003

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
164192004-07-28. Service bulletin. POWER STEERING PUMP NOISE THAT MAY DIFFER DEPENDING UPON BODY STYLE. *TT
168022003-09-10. Service bulletin. EXCESSIVE POWER STEERING PUMP NOISE AT COLD START. *TT