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Home >> Porsche >> 2019 >> Cayenne S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 23 (13 Engine - Crank Drive, Pistons 4.0L -- 9YA - Cayenne (9YA)) >> WM, 131004 Measuring Pistons (Includes Measuring Cylinder Bore) (V8 Turbo) >> Measuring Piston-Ring Vertical Clearance

Measuring Piston-Ring Vertical Clearance

WARNING: This page is about a different variant/trim than selected.
  1. Measure piston-ring vertical clearance.
    G15211416Courtesy 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 read off the value. > Piston-ring vertical clearance
Piston ring New in mm Wear limit in mm
1. Compression ring 0, 03-0, 07 Not determined
2. Compression ring 0, 02-0, 06 Not determined
Oil scraper ring Cannot be measured -