audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Pistons and Connecting Rods, Assembly Overview|Page 5189 > < Pistons and Connecting Rods, Assembly Overview|Page 5187
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Checking piston

-

Measure with external micrometer 75 to 100 mm as follows:

^

Approx. 6 mm from bottom edge.

^

Offset 90° to piston pin axle.

Deviation from nominal dimension:
^

Maximum 0.04 mm.

Nominal dimension see Piston and cylinder dimensions.

Checking cylinder bores

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Measure with internal dial gauge 50 to 100 mm as follows:

^

Tighten diagonally in 3 places in direction - A - and direction - B -.

Deviation from nominal dimension:
^

Maximum 0.08 mm.

Nominal dimension see Piston and cylinder dimensions.

Pistons and Connecting Rods, Assembly Overview|Page 5189 > < Pistons and Connecting Rods, Assembly Overview|Page 5187