A4 Quattro Sedan L4-1.8L Turbo (AWM) (2001)
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Dowel sleeves for bearing caps must be located in cylinder head.
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Seal joints Fig. 3 and Fig.4
5. Valve guide
6. Valve stem seal
7. Valve springs
8. Valve spring plate
9. Valve keepers
10. Hydraulic valve lifter
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Checking
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Do not interchange
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Store with cam contact surface downward
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Before installing check camshaft axial clearance
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Oil contact surface
11. Intake camshaft
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Check radial clearance with plastigage (hydraulic lifters not installed).
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Wear limit: 0.1 mm
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Runout: no more than 0.035 mm
12. Bearing cap for intake camshaft
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Must be located on dowel sleeves
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Dowel sleeves must be located in cylinder head.
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Note installation position
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Installation sequence
13. Double bearing cap
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Must be located on dowel sleeves
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Dowel sleeves must be located in cylinder head
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Coat sealing surface lightly with AMV 188 001 02 before installation
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Seal connections between double bearing cap and cylinder head Fig. 3
14. Exhaust camshaft
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Check radial clearance with plastigage (hydraulic lifters not installed). Wear limit: 0.1 mm
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Runout: no more than 0.035 mm
15. Bearing cap for exhaust camshaft
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Must be located on dowel sleeves
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Dowel sleeves must be located in cylinder head
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Note installation position
16. 10 Nm
17. 10 Nm
18. Drive chain
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Check for wear
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Before removing, mark installation position
19. Camshaft adjuster
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With solenoid valve for camshaft adjustment -N205-
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Hold in position with retainer for chain tensioner 3366 before removing
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Seal sides of joints between camshaft adjuster and cylinder head Fig. 4
20. Metal/rubber gasket
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Before installation coat sealing surface lightly with AMV 188 00 1 02
21. Gasket
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Always replace
22. Exhaust valve
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With sodium filling
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Note instructions on scrapping valves with a sodium filling
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Do not rework, only lapping in is permitted
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Valve dimensions Refer to, Fig. 1
23. Intake valve
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Do not rework, only lapping in is permitted
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Valve dimensions Refer to, Fig. 1
24. Sealing ring
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For intake camshaft
25. Rotor for
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Camshaft Position sensor
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Note correct installation position: Insert tab in notch of camshaft
26. Washer
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With cone
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Note installation position
27. 25 Nm
28. Housing - for Camshaft Position sensor -G40-
29. 10 Nm