Technische Bulletins

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