S4 Quattro Wagon V8-4.2L (BHF) (2008)
![background image](/audi/s4_quattro_wagon/v8-4.2l_(bhf)/Page-877001.png)
Timing Chain: Service and Repair
Timing Mechanism Drive Chain Component Overview
Timing Mechanism Drive Chain Component Overview
‹› Before removing timing chain, mark direction of travel with paint. Reversing the rotation direction of a used chain can destroy it.
1
Pivot pin for drive sprocket
2
Washer
3
42 Nm
4
Mounting pins - 10 Nm
5
5 Nm plus an additional 90° (1/4 turn)
‹› Replace
6
Thrust washer for drive sprocket
7
Drive sprocket for left timing chain
8
Mounting pins - 10 Nm
9
Power Take-Off Drive Chain
10
Guide rail