Volvo S40 2004 — technical service bulletin
Bulletin 137 · NHTSA communication 10008447 · issued Jun 1, 2004
Technical service bulletin
communication type
Service Brakes, Hydraulic
component
2004
model years
2
vehicle entries
Official summary
Brake vacuum valve/hose assembly, inspect/replace. Service campaign 137, service manager bulletin, tech-net notes, parts bulletin and recall notice to volvo owners. *tt
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.