Heating performance is low
Audi technical service bulletin A191555 2039891- for 2015 Audi A6, 2015 Audi Q5 and 2015 Audi Q7 and others.
- Bulletin number
- A191555 2039891-
- Component
- Engine and engine cooling: cooling system
- Summary
- Heating performance is low. Air bubble noises are heard from coolant and/or heat exchanger area. The check valve in the breather line can come loose. As a result, air may get into the coolant system. Modified parts in production starting with production date 2/5/2015.
Owners of these vehicles have filed 96 complaints in the engine category.
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