Maintaining Your Dodge HEMI Engine: Service Tips

Prioritize the Cooling System

All HEMI engines have a tendency to run hot, even when they’re operating efficiently, so keeping up with routine maintenance on the cooling system is important. Towing, cruising at high speeds, and idling can especially push the engine temperature higher. Regularly checking and topping off coolant levels is a simple way to help minimize heat.

You should also have a complete coolant flush when the manufacturer recommends, typically every 3–5 years. If the thermostat is providing inconsistent readings, it should be replaced promptly, as being able to gauge an accurate temperature is vital. The dealership should also carry out regular inspections on the radiator, hoses, and water pump.

Don’t Skip Oil Changes

Oil is critical to the performance of every engine, but if oil levels drop low in a HEMI engine, there is a much higher risk of damage to key components such as the camshaft and lifter roller. The Multi-Displacement System (MDS) can also struggle when there’s insufficient or dirty oil, increasing fuel consumption.

As well as ensuring the oil is regularly topped off and changed when due, it’s also advisable to use the oil recommended in your handbook. HEMI engines benefit from full synthetic oil that’s designed for high performance. This can also prevent the valve train from developing a bothersome ticking noise that could mask a serious problem.

Regular Checks on Spark Plugs

There are typically 16 spark plugs in a HEMI engine, which means that the service intervals may be different from previous vehicles that you’ve owned. With two plugs per cylinder, the HEMI engine combusts cleanly, but the spark plugs need to be in good condition for it to run efficiently. If the spark plugs start to wear or become dirty, you’ll quickly notice your engine starting to misfire or an overall loss of power.

Check with your dealership or consult your handbook to find out how often your spark plugs need to be changed. The recommendations can vary between different engines and also between different types of spark plugs, such as copper, iridium, or platinum.

Schedule Regular Dodge HEMI Maintenance at Your Local Dealership

Your local Dodge dealership can carry out all the maintenance that your vehicle requires, as well as provide professional advice. Whether you think you might need a repair or you just want a routine service, the Dodge dealership has the expertise to help.

If you need to book service on your HEMI engine, contact us today at Coughlin Marysville Chrysler Dodge Jeep Ram in Marysville, OH.

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