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 RAM2024DURANGO SRT HELLCAT PLUSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 4 (3.6L ENGINE (SERVICE INFORMATION) (2 OF 2))VALVE TIMINGSTANDARD PROCEDUREMEASURING TIMING CHAIN WEAR
2024 Dodge and Ram Durango SRT Hellcat Plus
Measuring Timing Chain Wear
2024 Dodge and Ram Durango SRT Hellcat PlusSECTION Measuring Timing Chain Wear
WARNING: This page is about a different variant/trim than selected.
- Remove the engine timing chain cover. Refer to: ENGINE TIMING, REMOVAL .
- To determine if the timing chains are worn, rotate the crankshaft clockwise until maximum tensioner piston extension (1) is obtained on the RH cam chain tensioner (2). Measure the distance between the secondary timing chain tensioner housing and the step ledge on the tensioner piston (1). Piston extension (1) must be less than 16 mm (0.630 in.).
- Piston extension greater than 16 mm (0.630 in.) indicates that all timing chains are worn and require replacement. Refer to: CHAIN AND SPROCKETS, TIMING, REMOVAL .
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.