S4 Quattro Cabriolet V8-4.2L (BHF) (2008)
Timing Chain: Service and Repair
Camshaft Timing Chain Component Overview
Camshaft Timing Chain Component Overview
Left camshaft timing chain
‹› Before removing timing chain, mark direction of travel with paint. Reversing the rotation direction of a used chain can destroy it.
1
Mounting pins - 10 Nm
2
5 Nm plus an additional 90° (1/4 turn)
‹› Replace
3
Washer
‹› Note installation position
4
Camshaft bolt
‹› Replace
‹› Initial tightening specifications: 40 Nm
‹› Final tightening specifications: 100 Nm plus an additional 90° (1/4 turn)
5
Chain sprocket