A4 V6-3.0L (AVK) (2004)
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checking, Refer to Fig 3.
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Install with piston ring tension strip
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Piston and cylinder dimensions, Refer to Piston, Engine, Specifications
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Checking cylinder bore hole, Refer to Fig 4.
8. Piston rings
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Shift by 120°
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Use piston ring pliers to remove and install
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Marking or identification "TOP" i e marked side must face toward the piston head
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End play checking, Refer to Fig 1.
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Height play checking, Refer to Fig 1.
Fig. 1 Checking piston ring end gap
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Insert ring at a right angle to cylinder wall from above to lower cylinder opening approximately 15 mm cylinder edge. When inserting use pistons
without rings
Fig. 2 Checking piston ring side clearance
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Before measuring] clean piston ring groove
Fig. 3 Checking pistons
Special Tools and Equipment