A4 Quattro Wagon L4-1.8L Turbo (ATW) (2000)
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Do not reface by grinding, only hand lapping is permitted
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Valve dimensions, Refer to Intake/Exhaust, Valve, Service and Repair, See Fig. 1
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Checking valve guides, Refer to Valve Guide, Checking
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Refacing valve seats, Refer to Valve Seat, Service and Repair
23 - Intake valve
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Do not reface by grinding; only hand lapping is allowed
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Valve dimensions, Refer to Intake/Exhaust, Valve, Service and Repair, See Fig. 1
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Checking valve guides, Refer to Valve Guides Testing and Inspecting
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Refacing valve seats, Refer to Valve Seat, Service and Repair
24 - Oil seal
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For intake camshaft
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Replacing, Refer to Seals and Gaskets, Engine, Camshaft Oil Seal, Service and Repair
25 - Shutter wheel for Camshaft Position (CMP) sensor -G40-
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Note position: insert lug in camshaft notch
26 - Washer
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Conical
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Note position
27 - Bolt
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25 Nm (18 ft. lbs.)
28 - Camshaft Position (CMP) sensor -G40- housing
29 - Bolt
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10 Nm (7 ft. lbs.)
Fig. 1 Valve dimensions
WARNING!
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Valves must not be refaced by cutting or grinding.
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Only hand lapping is permitted.