Audi A4 2002 — technical service bulletin
Bulletin TSB-CL-JM-10C3 · NHTSA communication 10031504 · issued Jul 1, 2009
Technical service bulletin
communication type
Engine and Engine Cooling
component
2002
model years
1
vehicle entries
Official summary
Audi service campaign: see document search button for owner letter. Customer letter example (canada). Crankcase breather hose on some vehicles may deteriorate over time and become cracked or broken. If this happens, crankcase emissions can be released into the atmosphere, oil leakage or engine starting problems may occur, or the mil light may illuminate. A new crankcase breather hose will be install free of charge. Customer letter example (canada). Csc letter was rec'd. *pe customer letter exampe (united states). Updated 3/26/10. *pe
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.