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Home >> Porsche >> 2017 >> Panamera Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (13 Engine - Crank Drive, Pistons 2.9L Turbo Gas -- 971 - PANAMERA (971)) >> WM, 131003 Measuring Pistons (Includes Measuring Cylinder Bore) (V6 Turbo) >> 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 

    → Wear personal protective gear.

CAUTION: Damage to sensitive engine components! 
→ Conscientious and precise work
  1. Using a 75-100 mm outside micrometer, take a measurement approx. 10 mm from the lower edge of the piston, at a 90° angle to the piston pin axis -1-  .
G15822066Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Measuring pistons

Piston diameter New in mm Wear limit in mm
Nominal measurement
Information 
Nominal measurement without coating (thickness = 0.02 mm). The coating wears off.
84.45 84.433