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 MANUALSPONTIAC1998FIREBIRD V8-5.7L VIN GREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER BLOCK ASSEMBLYCONNECTING ROD, ENGINECONNECTING ROD DIMENSIONS
1998 Pontiac Firebird V8-5.7L VIN G
Connecting Rod Dimensions
1998 Pontiac Firebird V8-5.7L VIN GSECTION Connecting Rod Dimensions
SERVICE SPECIFICATIONS
Connecting Rod Bearing Bore:
Diameter 56.505 - 56.525 mm (2.224 - 2.225 inch)
Out Of Round (Production) 0.004 mm (0.00015 inch)
Out Of Round (Service Limit) 0.015 - 0.076 mm (0.0006 - 0.003 inch)
Connecting Rod Side Clearance 0.11 - 0.51 mm (0.00433 - 0.02 inch)
Connecting Rod Bearing Bore:
Diameter 56.505 - 56.525 mm (2.224 - 2.225 inch)
Out Of Round (Production) 0.004 mm (0.00015 inch)
Out Of Round (Service Limit) 0.015 - 0.076 mm (0.0006 - 0.003 inch)
Connecting Rod Side Clearance 0.11 - 0.51 mm (0.00433 - 0.02 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.