TSB 06166 — Ford Service bulletin

06166 is a service bulletin on file with NHTSA for 4 Ford models, 2001–2007 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. POSSIBLE ENGINE DAMAGE - INSTALL SPECIAL SERVICE TOOLS PRIOR TO REMOVING CRANKSHAFT PULLEY BOLT.

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

1Document filed
4Vehicles named
7Model years

Vehicles and model years 06166 names

VehicleModel years
Ford Escape 2005, 2006, 2007
Ford Focus 2003, 2004, 2005, 2006, 2007
Ford Fusion 2006, 2007
Ford Ranger 2001, 2002, 2003, 2004, 2005, 2006, 2007

Every document filed under 06166

Document IDFiledType
06166 February 27, 2007 Service bulletin

What 06166 covers

Engine — the component vocabulary NHTSA files this communication under.

← All Ford Escape TSB years TSB lookup by model

Questions buyers ask

What is TSB 06166?

06166 is a service bulletin filed with NHTSA by Ford, covering 4 Ford models across the 2001–2007 model years. NHTSA's summary reads: POSSIBLE ENGINE DAMAGE - INSTALL SPECIAL SERVICE TOOLS PRIOR TO REMOVING CRANKSHAFT PULLEY BOLT.

Which vehicles does 06166 cover?

NHTSA's file names Ford Escape (2005–2007); Ford Focus (2003–2007); Ford Fusion (2006–2007); Ford Ranger (2001–2007). 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 06166 a recall, and is the repair free?

No. 06166 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 06166?

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 06166, 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 06166. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.