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 MANUALSCHEVROLET1998ASTRO VAN 2WD V6-4.3L VIN WREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER BLOCK ASSEMBLYCONNECTING ROD, ENGINECONNECTING ROD DIMENSIONS
1998 Chevrolet Astro Van 2WD V6-4.3L VIN W
Connecting Rod Dimensions
1998 Chevrolet Astro Van 2WD V6-4.3L VIN WSECTION Connecting Rod Dimensions
Connecting Rod Bearing Clearance
(Production) 0.038 - 0.078 mm (0.0015 - 0.0031 inch)
Connecting Rod Bearing Clearance
(Service) 0.025 - 0.076 mm (0.0010 - 0.0030 inch)
Connecting Rod Side Clearance 0.15 - 0.44 mm (0.006 - 0.017 inch)
Connecting Rod Journal Diameter 57.116 - 57.148 mm (2.2487 - 2.2497 inch)
Connecting Rod Journal Taper
(Production) 0.00508 mm (Maximum) (0.00030 inch (Maximum))
Connecting Rod Journal Taper
(Service) 0.025 mm (Maximum) (0.0010 inch(Maximum)
Connecting Rod Journal Out-of-Round
(Production) 0.007 mm (Maximum) (0.0002 inch (Maximum)
Connecting Rod Journal Out-of-Round
(Service) 0.025 mm (Maximum) (0.0010 inch (Maximum)
(Production) 0.038 - 0.078 mm (0.0015 - 0.0031 inch)
Connecting Rod Bearing Clearance
(Service) 0.025 - 0.076 mm (0.0010 - 0.0030 inch)
Connecting Rod Side Clearance 0.15 - 0.44 mm (0.006 - 0.017 inch)
Connecting Rod Journal Diameter 57.116 - 57.148 mm (2.2487 - 2.2497 inch)
Connecting Rod Journal Taper
(Production) 0.00508 mm (Maximum) (0.00030 inch (Maximum))
Connecting Rod Journal Taper
(Service) 0.025 mm (Maximum) (0.0010 inch(Maximum)
Connecting Rod Journal Out-of-Round
(Production) 0.007 mm (Maximum) (0.0002 inch (Maximum)
Connecting Rod Journal Out-of-Round
(Service) 0.025 mm (Maximum) (0.0010 inch (Maximum)
RENDER: 1.0x
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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.