Allroad Quattro V8-4.2L (BAS) (2004)
Figure 2
1. Check cooling system by clamping off coolant hose (Figure 2) between non-return valve and left auxiliary radiator.
2. With coolant hose clamped off, check engine warm up performance.
3. If engine warms up faster when coolant hose is clamped off, install new coolant hose with non-return valve (Figure 2).
Warranty
Required Parts and Tools
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.