Manual:AUDI A3 Premium, 4D Sedan 2015Page:57064 / 92758



Piston Ring End Gap, Measuring — 2015 Audi A3 Premium, 4D Sedan Service Manual

Piston Ring End Gap, Measuring

WARNING: This page is about a different variant/trim than selected.
GWWN13-10568Courtesy of AUDI OF AMERICA, LLC

-- Push in the piston ring at a right angle.

-- Push from above down into the lower cylinder opening until it is approximately 15 mm from the edge of the cylinder.

-- Use a piston without a piston ring for pushing it in.

Piston Ring New Wear Limit
1st Compression ring 0.30 to 0.40 mm 0.55 mm
2nd Compression ring 0.20 to 0.45 mm 0.95 mm
Oil scraping ring 0.25 to 0.50 mm 0.75 mm