S4 V8-4.2L (BHF) (2004)
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15 - Gasket
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Replace
16 - Alignment bushing
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2 pieces
17 - Guide rail
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Can be replaced separately
18 - 5 Nm plus 1/4 turn (90°)
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Replace
19 - Chain sprocket for exhaust camshaft
20 - Washer
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Note installation position
21 - Camshaft bolt
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Replace
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Initial tightening torque: 40 Nm
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Final tightening torque: 100 Nm plus 1/4 turn (90°)
22 - Drive sprocket for right timing chain
23 - Glide track for chain tensioner
24 - Pivot pin, 10 Nm
