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 MANUALSCHEVROLET2003C TAHOE 2WD V8-5.3L VIN TREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER BLOCK ASSEMBLYCRANKSHAFT, ENGINE
2003 Chevrolet C Tahoe 2WD V8-5.3L VIN T
Crankshaft, Engine
2003 Chevrolet C Tahoe 2WD V8-5.3L VIN TSECTION Crankshaft, Engine
Crankshaft Main Journal
Diameter
Production 64.993 - 65.007 mm (2.558 - 2.559 inch)
Service 64.993 mm (2.558 inch)
Out-of-Round
Production 0.003 mm (0.000118 inch)
Service 0.008 mm (0.0003 inch)
Taper
Production 0.01 mm (0.0004 inch)
Service 0.02 mm (0.00078 inch)
Crankshaft Rear Flange Runout 0.05 mm (0.002 inch)
Crankshaft Reluctor Ring Runout 0.7 mm (0.028 inch)
(Measured 1.0 mm (0.04 inch) Below - Tooth Diameter)
Crankshaft Thrust Surface
Production 26.14 - 26.22 mm (1.029 - 1.0315)
Service 26.22 mm (1.0315 inch)
Crankshaft Thrust Surface Runout 0.025 mm (0.001 inch)
Diameter
Production 64.993 - 65.007 mm (2.558 - 2.559 inch)
Service 64.993 mm (2.558 inch)
Out-of-Round
Production 0.003 mm (0.000118 inch)
Service 0.008 mm (0.0003 inch)
Taper
Production 0.01 mm (0.0004 inch)
Service 0.02 mm (0.00078 inch)
Crankshaft Rear Flange Runout 0.05 mm (0.002 inch)
Crankshaft Reluctor Ring Runout 0.7 mm (0.028 inch)
(Measured 1.0 mm (0.04 inch) Below - Tooth Diameter)
Crankshaft Thrust Surface
Production 26.14 - 26.22 mm (1.029 - 1.0315)
Service 26.22 mm (1.0315 inch)
Crankshaft Thrust Surface Runout 0.025 mm (0.001 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.