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 RAM2020DURANGO GT, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 11 (6.4L ENGINE (SERVICE INFORMATION))CYLINDER HEADINSPECTION
2020 Dodge and Ram Durango GT, AWD
Cylinder Head: Inspection
2020 Dodge and Ram Durango GT, AWDSECTION Inspection
WARNING: This page is about a different variant/trim than selected.
- Inspect the cylinder head for flatness using a straightedge and a feeler gauge. If tolerances exceed 0.0508 mm (0.002 in.) replace the cylinder head.
- Inspect the valve seats for damage. Service the valve seats as necessary.
- Inspect the valve guides for wear, cracks or looseness. If any of these conditions exist, replace the cylinder head.
- Inspect push rods. Replace worn or bent push rods.
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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.