Service bulletins for the 2003 Mercury Grand Marquis
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.
90 on file from NHTSA, as of 2026-10-19.
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By component
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Only bulletins with component: Exhaust and emissions are shown. Show all
| 0524 | 2005-04-05. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. IDLE VIBRATION VEHICLES EQUIPPED WITH SINGLE EXHAUST. *EH |
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| 04E12 | 2004-11-03. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. EMISSION RELATED SERVICE ACTION 04E12. VEHICLES SERVICED WITH AN INCORRECT RIGHT HAND CATALYTIC CONVERTER. INSPECT AND REPLACE RIGHT HAND CATALYTIC CONVERTER. ATTACHMENTS I-III AND CUSTOMER NOTIFICATION LETTER. *TT |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.