Piston, Engine

2004 Ford Excursion 2WD V10-6.8L VIN SSECTION Piston, Engine
Piston diameter (Grade 2) at right angle-to-pin bore 90.180 ± 0.005 mm
Piston-to-bore clearance (-0.005) to +0.025 mm
Pin bore diameter (piston) 22.008-22.014 mm
Pin diameter 22.0010-22.0030 mm
Clearance (neg. or pos.) 0.013-0.005 mm
Pin bore diameter (rod) 22.012-22.024 mm
Clearance 0.009-0.023 mm
Ring groove width
Top 1.500-1.505 mm
Intermediate 1.502-1.504 mm
Oil control 3.030-3.050 mm
Piston ring gap
Top 0.15-0.30 mm
Intermediate 0.25-0.50 mm
Oil control 0.15-0.65 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.