Engine - Cylinder Head Cover Leaking

01 Cylinder head cover leaking

01 11 29

2026705/2

July 14, 2011

Supersedes Technical Service Bulletin Group 01 number 11 - 27 dated June 28, 2011 for reasons listed below.





Affected Vehicles





Condition
^ Oil found in intercooler.

^ Gap in cylinder head cover baffle, or baffle loose.

Technical Background





The plastic welded sections of oil splash shield part of the cylinder head cover (Figure 1, blue area) may have gaps between them at the weld point, or may feel loose (Figure 2 and Figure 3). Extensive testing has confirmed that this condition does not cause any problems and is not a defect.

Up to 0.20 quarts of oil in the intercooler are within normal conditions and do not require further action.

Production Solution

Not applicable.

Service
^ Do not exchange the cylinder head cover under this condition, as warranty will be declined. Gaps in this part are not a defect.

^ Up to 0.20 quarts of oil in the intercooler are within normal conditions and do not require further action.

^ If more than 0.20 quarts of oil are found; continue looking for other sources (e.g. crankshaft breather valve, turbo charger, oil overfill, etc.).

Warranty

This TSB is informational only and not applicable to any Audi warranty.

Additional Information

All parts and service references provided in this TSB are subject to change and/or removal. Always check with your Parts Department and service manuals for the latest information.