Piston Ring, Engine

2003 Volkswagen Passat Sedan (3B3) L4-1.8L Turbo (AWM)SECTION Piston Ring, Engine
Piston Ring End Gap new End play Wear limit
Compression Rings 0.20 to 0.40 mm 0.8 mm
Oil Scraper ring 0.25 to 0.50 mm 0.8 mm
Piston ring side clearance New Wear limit
Compression ring 0.06 to 0.09 mm 0.20 mm
Oil Scraper ring 0.03 to 0.06 mm 0.15 mm
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.