TSB ASI-32270 — Ford and Lincoln Service bulletin

ASI-32270 is a service bulletin on file with NHTSA for 2 Ford and Lincoln models, 2008 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. FORD: THERE IS A NOISE COMING FROM THE FRONT HUB INTEGRATED WHEEL END (IWE) AREAS AND WHEN SHIFTED INTO 4X4 MODE, THE NOISE WILL CEASE. MODELS 2008-2013 F-150, EXPEDITION, NAVIGATOR, MARK LT.

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

1Document filed
2Vehicles named
1Model year

Vehicles and model years ASI-32270 names

VehicleModel years
Ford Expedition 2008
Lincoln Navigator 2008

Every document filed under ASI-32270

Document IDFiledType
ASI-32270 June 1, 2013 Service bulletin

What ASI-32270 covers

Wheels & tires — the component vocabulary NHTSA files this communication under.

← All Ford Expedition TSB years TSB lookup by model

Questions buyers ask

What is TSB ASI-32270?

ASI-32270 is a service bulletin filed with NHTSA by Ford and Lincoln, covering 2 Ford and Lincoln models across the 2008 model years. NHTSA's summary reads: FORD: THERE IS A NOISE COMING FROM THE FRONT HUB INTEGRATED WHEEL END (IWE) AREAS AND WHEN SHIFTED INTO 4X4 MODE, THE NOISE WILL CEASE. MODELS 2008-2013 F-150, EXPEDITION, NAVIGATOR, MARK LT.

Which vehicles does ASI-32270 cover?

NHTSA's file names Ford Expedition (2008); Lincoln Navigator (2008). 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 ASI-32270 a recall, and is the repair free?

No. ASI-32270 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 ASI-32270?

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 ASI-32270, 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 ASI-32270. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.