this use a piston without rings.
Checking ring to groove clearance
Fig. 139: Checking Ring To Groove Clearance
Courtesy of VOLKSWAGEN UNITED STATES, INC.
Clean groove before checking clearance.
Checking piston
Fig. 140: Checking Piston
Piston ring Dimensions in mm New Wear limit
Compression ring 1 0.20...0.40 0.8
Compression ring 2 0.20...0.40 0.8
Oil scraper ring 0.25...0.50 0.8
Piston ring Dimensions in mm New Wear limit
Compression ring 1 0.06...0.09 0.20
Compression ring 2 0.05...0.08 0.20
Oil scraper ring 0.03...0.06 0.15
2005 Audi A4 Quattro
ENGINE 1.8 Liter 4-Cyl. 5V Turbo Engine Mechanical, Engine Code(s): AMB
1:01:00 AM Page 92
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