Piston Ring, Engine

2005 Pontiac Vibe FWD L4-1.8L VIN 8SECTION Piston Ring, Engine
Ring End Gap - Lower Ring - Maximum 1.20 mm (0.0472 inch)
Ring End Gap - Lower Ring - Standard 0.35 - 0.50 mm (0.0138 - 0.0197 inch)
Ring End Gap - Oil Ring - Maximum 1.05 mm (0.0413 inch)
Ring End Gap - Oil Ring - Standard 0.15 - 0.40 mm (0.0059 - 0.0157 inch)
Ring End Gap - Top Ring - Maximum 1.05 mm (0.0413 inch)
Ring End Gap - Top Ring - Standard 0.25 - 0.35 mm (0.0098 - 0.0138 inch)
Ring Groove Clearance - Lower Compression Ring 0.030 - 0.070 mm (0.0012 - 0.0028 inch)
Ring Groove Clearance - Upper Compression Ring 0.020 - 0.070 mm (0.0009 - 0.0028 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:

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