Piston Ring, Engine

1999 Ford Taurus V8-3.4L VIN N SHOSECTION Piston Ring, Engine
Side Clearance Compression (Top) 0.0018 - 0.0031 Inch (in)
Compression (Bottom) 0.0012 - 0.0028 Inch (in)
Oil Ring 0.0024 - 0.0059 Inch (in)
Piston Ring Gap Compression (Top) - Gauge Diameter 0.0079 - 0.0138 Inch (in)
Compression (Bottom) - Gauge Diameter 0.0079 - 0.0138 Inch (in)
Oil Ring (Steel Rail) - Gauge Diameter 0.0079 - 0.0276 Inch (in)
Ring Width Compression (Top) 0.0481 - 0.0467 Inch (in)
Compression (Bottom) 0.0079 - 0.0138 Inch (in)
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.