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Home >> Porsche >> 2021 >> Macan S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (13 Engine - Crank Drive, Pistons 2.0L -- 95B - MACAN (95B)) >> WM, 131004 - Measuring Pistons (Includes Measuring Cylinder Bore) (R4) >> Measuring Pistons

Measuring Pistons

WARNING: This page is about a different variant/trim than selected.
CAUTION: Pointed or sharp objects 
  • Risk of cracks, pricks or cuts 
  1. → Wear personal protective gear.
  1. Using a 75-100 mm outside micrometer,  take a measurement approx. 15 mm from the lower edge of the piston, at a 90° angle to the piston pin axis -1-  .
G15144698Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Measuring pistons

Piston diameter Basic measurement new (in mm) Wear limit in mm
Nominal measurement 82.42 0.04

Information 

Nominal measurement without coating (thickness = 0.04 mm). The coating wears off.