audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Cylinder Head Assembly > < Pistons and Connecting Rods, Disassembling and Assembling|Page 4162
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Piston Ring: Specifications

(1) Compression ring

New .........................................................................................................................................................................................................  0.35  to 0.50 mm
Wear limit ..............................................................................................................................................................................................................  0.8 mm

(2) Compression ring

New ..........................................................................................................................................................................................................  0.60 to 0.80 mm
Wear limit ..............................................................................................................................................................................................................  1.0 mm

Oil scraper ring

New ..........................................................................................................................................................................................................  0.25 to 0.50 mm
Wear limit ..............................................................................................................................................................................................................  0.8 mm

Compression rings

New ..........................................................................................................................................................................................................  0.02 to 0.08 mm
Wear limit ............................................................................................................................................................................................................  0.20 mm

Oil scraper ring

New ..........................................................................................................................................................................................................  0.02 to 0.08 mm
Wear limit ............................................................................................................................................................................................................  0.15 mm

Cylinder Head Assembly > < Pistons and Connecting Rods, Disassembling and Assembling|Page 4162