Table 1 shows two common engine and engine cooling related problems of the 2021 Audi Q7. The number one most common problem is related to the engine and engine cooling (13 problems). The second most common problem is related to the crankcase (pcv) (one problem).
| Problem Category | Number of Problems |
|---|---|
| Engine And Engine Cooling problems | |
| Crankcase (pcv) problems |
- engine water pump failure and coolant intrusion into the vacuum system. Parts were replaced on 5 Nov 2025 and possible still at the dealer's location. - the defect poses the following safety risks: it resulted in contamination of vacuum lines; potential for sudden engine stalling or loss of power Read details...
I am reporting a severe defect in my 2020 Audi Q7 involving “coolant migration” due to a faulty water pump, a known issue in Audi models (q7, s4, a6, 2013–2022). This poses critical safety risks due to sudden failure with minimal warning. Read details...