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 MANUALSCHEVROLET2001CHEVY EXPRESS G2500, VAN PASSENGER EXTENDED, 5.0 MREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 3 (ENGINE MECHANICAL - 6.5L V8 DIESEL)ENGINE SPECIFICATIONSCYLINDER HEAD SPECIFICATIONS
2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 M
Cylinder Head Specifications
2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 MSECTION Cylinder Head Specifications
WARNING: This page is about a different variant/trim than selected.
CYLINDER HEAD
| Application | Specification | ||||
|---|---|---|---|---|---|
| Maximum Warpage (1) | |||||
| Lengthwise | .006" (.15 mm) | ||||
| Across | .003" (.08 mm) | ||||
| Cylinder Head Thickness (Minimum) | 3.853" (97.87 mm) | ||||
| Valve Seats | |||||
| Intake Valve | |||||
| Seat Angle | 46° | ||||
| Seat Width | .0351-.0603" (.890-1.530 mm) | ||||
| Maximum Seat Runout | .002" (.05 mm) | ||||
| Exhaust Valve | |||||
| Seat Angle | 46° | ||||
| Seat Width | .0618-.0930" (1.57-2.36 mm) | ||||
| Maximum Seat Runout | .002" (.05 mm) | ||||
| Valve Guide Oil Clearance | .0010-.0027" (.026-.069 mm) | ||||
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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.