Piston Ring, Engine

1999 Volkswagen GTI (1W1) V6-2.8L (AAA)SECTION Piston Ring, Engine
DIMENSIONS
Piston Ring Gap:
Compression Rings:
New 0.20-0.40 mm (0.0078-0.0157 inch)
Wear Limit 1.00 mm (0.0394 inch)
Oil Scraper Ring:
New 0.25-0.50 mm (0.0098-0.0197 inch)
Wear Limit 1.00 mm (0.0394 inch)

Piston Ring Side Clearance:
Compression Rings:
New 0.02-0.07 mm (0.0007-0.0028 inch)
Wear Limit 0.15 mm (0.0059 inch)
Oil Scraper Ring:
New 0.02-0.06 mm (0.0007-0.0023 inch)
Wear Limit 0.15 (0.0059 inch)


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.