Courtes
of VOLKSWAGEN UNITED STATES, INC.
Measure pistons approx. 10 mm from lower edge of skirt, at 90 ° to piston pin axis.
Deviation from nominal dimension: max. 0.04 mm
Checking cylinder bore
Fig. 141: Checking Cylinder Bores
Courtesy of VOLKSWAGEN UNITED STATES, INC.
Special tools, testers and auxiliary items required
Internal dial gauge 50...100 mm
Take measurements at 3 positions in both lateral - A - and longitudinal - B - directions.
Deviation from nominal dimension: max. 0.08 mm
Piston and cylinder dimensions
*Dimensions without graphite coating (thickness 0.02 mm) Graphite coating wears away.
15 - ENGINE - CYLINDER HEAD, VALVETRAIN
Honing dimension Piston dia. Cylinder bore dia.
Basic dimension mm 80.950 * See note 81.01
Oversize mm 81.450 * See note 81.51
2005 Audi A4 Quattro
ENGINE 1.8 Liter 4-Cyl. 5V Turbo Engine Mechanical, Engine Code(s): AMB
1:01:00 AM Page 93
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