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 MANUALSCHEVROLET1987S10/T10 P/U 2WD V6-173 2.8LREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER BLOCK ASSEMBLYCRANKSHAFT, ENGINE
1987 Chevrolet S10/T10 P/U 2WD V6-173 2.8L
Crankshaft, Engine
1987 Chevrolet S10/T10 P/U 2WD V6-173 2.8LSECTION Crankshaft, Engine
Main Journal
Diameter 1, 2, 4 63.340 - 63.364 mm (2.493 - 2.494 in)
Diameter 3 63.332 - 63.351 mm (2.493 - 2.494 in)
Taper 0.005 mm (0.0002 in) Maximum
Out of Round 0.005 mm (0.0002 in) Maximum
Main Bearing Clearance 0.041 - 0.081 mm (0.0016 - 0.0032 in)
Main Thrust Bearing Clearance 0.054 - 0.084 mm (0.0021 - 0.0033 in)
Crankshaft End Play 0.06 - 0.21 mm (0.0024 - 0.0083 in)
Crankpin
Diameter 50.758 - 50.784 mm (1.998 - 1.999 in)
Taper 0.005 mm (0.0002 in) Maximum
Out of Round 0.005 mm (0.0002 in) Maximum
Rod Bearing Clearance 0.035 - 0.095 mm (0.0014 - 0.0037 in)
Rod Side Clearance 0.16 - 0.44 mm (0.0063 - 0.0173 in)
Diameter 1, 2, 4 63.340 - 63.364 mm (2.493 - 2.494 in)
Diameter 3 63.332 - 63.351 mm (2.493 - 2.494 in)
Taper 0.005 mm (0.0002 in) Maximum
Out of Round 0.005 mm (0.0002 in) Maximum
Main Bearing Clearance 0.041 - 0.081 mm (0.0016 - 0.0032 in)
Main Thrust Bearing Clearance 0.054 - 0.084 mm (0.0021 - 0.0033 in)
Crankshaft End Play 0.06 - 0.21 mm (0.0024 - 0.0083 in)
Crankpin
Diameter 50.758 - 50.784 mm (1.998 - 1.999 in)
Taper 0.005 mm (0.0002 in) Maximum
Out of Round 0.005 mm (0.0002 in) Maximum
Rod Bearing Clearance 0.035 - 0.095 mm (0.0014 - 0.0037 in)
Rod Side Clearance 0.16 - 0.44 mm (0.0063 - 0.0173 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.