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 MANUALSDODGE AND RAM2023DURANGO GT, RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 1 (6.4L ENGINE (SERVICE INFORMATION))TECHNICAL SPECIFICATIONSENGINE SPECIFICATIONSCYLINDER HEAD
2023 Dodge and Ram Durango GT, RWD
Cylinder Head
2023 Dodge and Ram Durango GT, RWDSECTION Cylinder Head
WARNING: This page is about a different variant/trim than selected.
CYLINDER HEAD
| DESCRIPTION | SPECIFICATION | |
|---|---|---|
| Metric | Standard | |
| Valve Seat Angle | 44.5° - 45.0° | |
| Valve Seat Runout (MAX) | 0.04 mm | 0.0016 in. |
| Valve Seat Width | ||
| Intake | 0.94 - 1.04 mm | 0.037 - 0.041 in. |
| Exhaust | 1.16 - 1.26 mm | 0.046 - 0.050 in. |
| Guide Bore Diameter | ||
| Intake | 7.975 - 7.997 mm | 0.314 - 0.315 in. |
| Exhaust | 7.975 - 7.990 mm | 0.314 - 0.315 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.