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 R/T PLUS, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 3 (6.2L ENGINE (SERVICE INFORMATION))CYLINDER HEADVALVES, INTAKE AND EXHAUSTINSTALLATION
2023 Dodge and Ram Durango R/T Plus, AWD
Valves, Intake And Exhaust: Installation
2023 Dodge and Ram Durango R/T Plus, AWDSECTION Installation
WARNING: This page is about a different variant/trim than selected.
- Clean the valves thoroughly. Discard burned, warped, and cracked valves.
- Remove carbon and varnish deposits from inside the valve guides with a reliable guide cleaner.
- Measure the valve stems for wear. If wear exceeds 0.051 mm (0.002 inch), replace the valve.
- Coat the valve stems with clean engine oil and insert them into the cylinder head.
- If the valves or seats have been reground, check valve stem height. If the valve is too long, replace the cylinder head.
- Install new seals on all valve guides. Install the valve springs and valve spring retainers.
- Compress the valve springs with the Valve Spring Compressor (special tool #C-3422-D, Compressor, Valve Spring) (1) and Adapter (special tool #8464, Adapter, Valve Spring), install the valve spring retainer locks and release the tool. If the valves and/or seats have been ground, measure the installed height of the springs. Make sure the measurement is taken from the bottom of spring seat in the cylinder head to the bottom surface of valve spring retainer.
- Install the cylinder head. Refer to CYLINDER HEAD, INSTALLATION .
- Connect the negative battery cable.
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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.