A6 Quattro Sedan V6-2.7L Turbo (APB) (2000)
Valve Guide Seal: Service and Repair
Valve stem seals, replacing
Cylinder head installed
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Remove ribbed belt. See: Drive Belts, Mounts, Brackets and Accessories/Drive Belt/Service and Repair
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Remove toothed belt. See: Timing Components/Timing Belt/Service and Repair
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Remove camshafts. See: Camshaft, Lifters and Push Rods/Camshaft/Service and Repair
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Remove lifters and place them down with contact surface downward. Ensure that lifters are not interchanged.
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Remove spark plugs.
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Set piston of relevant cylinder to bottom dead center.
Note: Tight cotters can be released by tapping lightly on the valve lever with a hammer.
Exhaust side
Note: Before attaching the valve assembly appliance, remove the two studs in the center of the cylinder head and the three upper studs (inlet side) for
securing the cylinder head cover.
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Screw pressure hose VW 653/3 with sealing ring finger-tight into spark plug thread of relevant cylinder, and maintain a constant pressure of at
least 6 bar.
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Attach valve assembly appliance 2036 as illustrated: use M6 x 40 bolts with large washers.
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Remove valve spring using valve lever VW 541/1 and thrust piece VW 541/5.
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Take out valve spring and valve spring plate.
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Pull off valve stem seal with 3047 A.
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To prevent damage to new valve stem seals, place plastic sleeve -A- on the valve stem.
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Lightly oil sealing lip.
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Insert valve stem seal -B- (without oiling outside of seal) into fitting tool 3129 and carefully push it down onto valve guide.
Note: When fitting new valves, lightly oil valve stems before installing.