A4 Quattro Cabriolet V6-3.2L (BKH) (2007)
Valve Guide Seal: Service and Repair
Valve Stem Seals, Cylinder Head Removed, Replacing
Valve Stem Seals, Cylinder Head Removed, Replacing
Special tools, testers and auxiliary items required
‹› Valve Seal Removal Tool (3364)
‹› Valve stem seal driver (3365)
‹› Valve cotter disassembly and assembly device (VAS 5161)
‹› Engine and transmission holder (VAS 6095)
‹› Tensioning element (VAS 6419)
Procedure
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Remove camshafts. Refer to => [ Camshafts ] See: Camshaft, Lifters and Push Rods/Camshaft/Service and Repair/Camshafts.
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Insert tensioning element (VAS 6419) in the engine and transmission holder (VAS 6095).
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Tension cylinder head on tensioning element ( VAS 6419) as shown in the illustration.
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Connect tensioning element (VAS 6419) to compressed air.
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Slide air cushion with lever - arrow - under combustion chamber onto valve stem seal that will be removed.
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Let enough compressed air flow into the air cushion until it contacts valve plate.
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Place drift (VAS 5161/3) on valve spring plate and loosen stuck valve keepers using a plastic hammer.