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Engine cylinder head, valve gear >
< Pistons and conrods - exploded view
A4 Cabriolet Mk2
Power unit
4-cylinder engine (5-valve turbo), mechanics
Enginecrankshaft group, pistons
Dismantling and assembling pistons and conrods
Piston and cylinder dimensions
Piston and cylinder dimensions
Piston and cylinder dimensions
Honing dimension
(in mm)
Piston Ø
Cylinder bore Ø
Basic dimension
80.95
→ Remark
81.01
1st oversize
81.45
→ Remark
81.51
1)
Dimension not including graphite coating (thickness 0.02 mm). The graphite coating wears down in service.
Power unit
4-cylinder engine (5-valve turbo), mechanics
Enginecrankshaft group, pistons
Dismantling and assembling pistons and conrods
Piston and cylinder dimensions
Engine cylinder head, valve gear >
< Pistons and conrods - exploded view