TSB 041003 — Ford Service bulletin

041003 is a service bulletin on file with NHTSA for the Ford Mustang, 1999–2004 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. EXHAUST LEAK - CRACKED OR SEPARATED RIGHT SIDE EXHAUST PIPE - 3.8L AND 3.9L ENGINES.

NHTSA's own summary of the document, quoted from the public manufacturer-communications file.

1Document filed
1Vehicle named
6Model years

Vehicles and model years 041003 names

VehicleModel years
Ford Mustang 1999, 2000, 2001, 2002, 2003, 2004

Every document filed under 041003

Document IDFiledType
041003 November 1, 2004 Service bulletin

What 041003 covers

Engine — the component vocabulary NHTSA files this communication under.

← All Ford Mustang TSB years TSB lookup by model

Questions buyers ask

What is TSB 041003?

041003 is a service bulletin filed with NHTSA by Ford, covering the Ford Mustang across the 1999–2004 model years. NHTSA's summary reads: EXHAUST LEAK - CRACKED OR SEPARATED RIGHT SIDE EXHAUST PIPE - 3.8L AND 3.9L ENGINES.

Which vehicles does 041003 cover?

NHTSA's file names Ford Mustang (1999–2004). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.

Is TSB 041003 a recall, and is the repair free?

No. 041003 is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.

How do I get the full text of 041003?

Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under 041003, its date, and NHTSA's own summary from the public file.

Data updated 2026-08-20 from NHTSA's public records

Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under 041003. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.