Main Bearing Clearances

1999 Chevrolet Express 1 Ton Van V8-5.7L VIN RSECTION Main Bearing Clearances
Crankshaft End Play 0.002 - 0.008 Inch (in)
Crankshaft Journal Diameter (Journal #1) 2.4484 - 2.4493 Inch (in)
Crankshaft Journal Diameter (Journal #2, #3, and #4) 2.4481 - 2.4491 Inch (in)
Crankshaft Journal Diameter (Journal #5) 2.4482 - 2.4491 Inch (in)
Crankshaft Journal Out-of-Round (Production) (Maximum) 0.0002 Inch (in)
Crankshaft Journal Out-of-Round (Service) (Maximum) 0.0010 Inch (in)
Crankshaft Journal Taper (Production) (Maximum) 0.0002 Inch (in)
Crankshaft Journal Taper (Service) (Maximum) 0.0010 Inch (in)
Crankshaft Runout at Rear Flange 0.0015 Inch (in)
Crankshaft Bearing Clearance Journal #1 Production 0.0007 - 0.0021 Inch (in)
Journal #2, #3, and #4 Production 0.0012 - 0.0027 Inch (in)
Journal #5 Production 0.0008 - 0.0024 Inch (in)
Journal #1 Service 0.0010 - 0.0020 Inch (in)
Journal #2, #3, and #4 Service 0.0010 - 0.0025 Inch (in)
Journal #5 Service 0.00 15 - 0.0025 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.