A4 Quattro Wagon L4-1.8L Turbo (AWM) (2001)
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6. Piston pin
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If difficult to remove, heat piston to approximately 60°C
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Remove and install with VW 222a
7. Piston
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Checking Refer to, Fig. 3.
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Mark installation position and cylinder number.
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Arrow on piston crown points to pulley end
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Install using piston ring clamp.
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Piston and cylinder dimensions
8. Piston rings
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Offset gaps by 120°
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Remove and install with piston ring pliers.
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"TOP" must face piston crown
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Check ring gap Refer to, Fig. 1.
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Check ring to groove clearance Refer to, Fig. 2.
Checking Piston Ring Gap (Part 1 Of 1)
Fig. 1 Checking piston ring gap
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Push ring squarely from above down to approximately 15 mm from bottom end of cylinder. To do this, use a piston without rings.
