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Home >> Porsche >> 2021 >> Macan S >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 13 Engine - Crank Drive, Pistons 3.0L -- 95B - MACAN (95B) >> WM, 131004 Measuring Pistons (Includes Measuring Cylinder Bore) (V6 Turbo) >> Measuring Piston-Ring Vertical Clearance

Measuring Piston-Ring Vertical Clearance

  1. Measure piston-ring vertical clearance.
    G15145432Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Piston-ring vertical clearance

    1. 1.1  Clean the ring groove on the piston.
    2. 1.2  Fit piston ring on the ring groove of the piston. > Piston-ring vertical clearance 
    3. 1.3  Guide a feeler gauge into the gap between the piston ring and ring groove and determine the value. > Piston-ring vertical clearance
    Piston ring New in mm Wear limit in mm
    1st compression ring 0.03-0.07 0.15
    2nd compression ring 0.02-0.07 0.15
    Oil scraper ring Cannot be measured -