Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1998EXPRESS 1 TON VAN V8-5.7L VIN RREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER BLOCK ASSEMBLYSYSTEM SPECIFICATIONSDIMENSION & CLEARANCE SPECIFICATIONS - MAIN BEARING
1998 Chevrolet Express 1 Ton Van V8-5.7L VIN R
Dimension & Clearance Specifications - Main Bearing
1998 Chevrolet Express 1 Ton Van V8-5.7L VIN RSECTION Dimension & Clearance Specifications - Main Bearing
Main Bearing
Crankshaft Bearing Clearance
Journal #1-Production 0.01 - 0.053 mm (0.0007 - 0.0021 inch)
Journal #1-Service 0.025 - 0.051 mm (0.0010 - 0.0020 inch)
Journal #2, #3, and #4-Production 0.030 - 0.068 mm (0.0012 - 0.0027 inch)
Journal #2, #3, and #4-Service 0.025 - 0.064 mm (0.0010 - 0.0025 inch)
Journal #5-Production 0.020 - 0.060 mm (0.0008 - 0.0024 inch)
Journal #5-Service 0.038 - 0.063 mm (0.0015 - 0.0025 inch)
Crankshaft End Play 0.05 - 0.20 mm (0.002 - 0.008 inch)
Crankshaft Bearing Clearance
Journal #1-Production 0.01 - 0.053 mm (0.0007 - 0.0021 inch)
Journal #1-Service 0.025 - 0.051 mm (0.0010 - 0.0020 inch)
Journal #2, #3, and #4-Production 0.030 - 0.068 mm (0.0012 - 0.0027 inch)
Journal #2, #3, and #4-Service 0.025 - 0.064 mm (0.0010 - 0.0025 inch)
Journal #5-Production 0.020 - 0.060 mm (0.0008 - 0.0024 inch)
Journal #5-Service 0.038 - 0.063 mm (0.0015 - 0.0025 inch)
Crankshaft End Play 0.05 - 0.20 mm (0.002 - 0.008 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.