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 MANUALSCHEVROLET1993S10/T10 P/U 2WD V6-173 2.8LREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER BLOCK ASSEMBLYPISTON, ENGINE
1993 Chevrolet S10/T10 P/U 2WD V6-173 2.8L
Piston, Engine
1993 Chevrolet S10/T10 P/U 2WD V6-173 2.8LSECTION Piston, Engine
PISTON
Clearance 0.017 - 0.043 mm (0.00067 - 0.0017 in)
PISTON RINGS
Compression
Groove Clearance, Top 0.030 - 0.070 mm (0.0012 - 0.0027 in)
Groove Clearance, Second 0.040 - 0.095 mm (0.0016 - 0.0037 in)
Gap, Top 0.25 - 0.50 mm (0.0098 - 0.0197 in)
Gap, Second 0.25 - 0.50 mm (0.0098 - 0.0197 in)
Oil
Groove Clearance 0.199 mm (0.0008 in) Maximum
Gap 0.27 - 1.25 mm (0.01 - 0.05 in)
PISTON PIN
Diameter 22.9937 - 23.0015 mm (0.9052 - 0.9055 in)
Clearance 0.0065 - 0.0091 mm (0.00026 - 0.00036 in)
Fit In Rod 0.0187 - 0.0515 mm (0.00073 - 0.00202 in) Press
Clearance 0.017 - 0.043 mm (0.00067 - 0.0017 in)
PISTON RINGS
Compression
Groove Clearance, Top 0.030 - 0.070 mm (0.0012 - 0.0027 in)
Groove Clearance, Second 0.040 - 0.095 mm (0.0016 - 0.0037 in)
Gap, Top 0.25 - 0.50 mm (0.0098 - 0.0197 in)
Gap, Second 0.25 - 0.50 mm (0.0098 - 0.0197 in)
Oil
Groove Clearance 0.199 mm (0.0008 in) Maximum
Gap 0.27 - 1.25 mm (0.01 - 0.05 in)
PISTON PIN
Diameter 22.9937 - 23.0015 mm (0.9052 - 0.9055 in)
Clearance 0.0065 - 0.0091 mm (0.00026 - 0.00036 in)
Fit In Rod 0.0187 - 0.0515 mm (0.00073 - 0.00202 in) Press
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.