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 MANUALSCHEVROLET1993LUMINA APV V6-3800 3.8LREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER BLOCK ASSEMBLYBALANCE SHAFT
1993 Chevrolet Lumina APV V6-3800 3.8L
Balance Shaft
1993 Chevrolet Lumina APV V6-3800 3.8LSECTION Balance Shaft
End Play 0.0 - 0.203 mm (0.0 - 0.008 in.)
Radial Play
Front 0.028 mm (0.0 - 0.0011 in.)
Rear 0.0127 - 0.119 mm (0.0005 - 0.0047 in.)
Drive Gear Lash 0.050-0.127 mm (0.002 - 0.005 in.)
Bearing Bore Diameter
Front 51.973 - 51.999 mm (2.0462 - 2.0472 in.)
Rear 49.530 - 49.580 mm (1.950 - 1.952 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.