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The Mitsubishi 2.4L engine is a four-cylinder engine with a 2.4-liter displacement. It is one of the most popular engines used in various Mitsubishi models. The Mitsubishi 2.4L engine has different types, including the Mitsubishi 4G64 engine and the Mitsubishi 4B12 engine.
The Mitsubishi 4G64 engine
The Mitsubishi 4G64 engine is a part of the 4G6 family of engines. It is a gasoline engine with a DOHC or SOHC design. The 4G64 engine has a bore and stroke of 88 mm and 82 mm, respectively. The 4G64 engine also has a compression ratio that ranges from 9.0 to 11.0. The 4G64 engines produce different power outputs that range from 90 to 160 hp. The 4G64 engine is used in various Mitsubishi models. For example, Mitsubishi Outlander and Mitsubishi Galant.
Mitsubishi 4B12 engine
The Mitsubishi 4B12 engine is also known as the Mitsubishi 4B11T. It is also part of the 4B engine family. The 4B12 engine is an inline-four engine with a DOHC configuration. This engine has a bore and stroke of 86 mm and 86 mm, respectively. The 4B12 engine has a compression ratio of 10.5. The 4B12 engine produces an output power of about 150 hp. The 4B12 engine is mainly used in the Mitsubishi Outlander and Mitsubishi ASX models.
Engine Oil
Check the oil level and condition of engine oil every week. Oil level should be between the two markings on the dipstick. Change engine oil and oil filter every 5,000 miles or every 6 months. Use the recommended oil grade for the 2.4L engines.
Cooling System
Check coolant level, hoses, and connections weekly. Top up with recommended coolant if needed. Flush and replace coolant every 30,000 miles or 5 years.
Air Intake and Filtration
Inspect the air filter for damage and clean or replace it every 15,000 miles. Clean the throttle body and intake manifold every 30,000 miles.
Ignition System
Check spark plugs and wires for wear or damage every 20,000 miles. Replace spark plugs and wires if needed. Inspect ignition coils and clean their terminals.
Fuel System
Inspect fuel lines and connections for leaks or damage. Clean fuel injectors with a professional cleaning kit or fuel system cleaner.
Lubrication and Chassis
Lubricate all moving parts of the suspension, steering, and driveline every 15,000 miles. Use the recommended grease or oil.
Emissions Control
Check the catalytic converter and exhaust pipes for damage or rust every 30,000 miles. Replace the converter if it fails the emissions test.
Electrical System
Inspect the battery, terminals, and cables every 10,000 miles. Clean the terminals and cables if dirty or corroded. Check the charging and starting systems with a multimeter.
Engine Timing and Belts
Check the engine's timing belts and tensioners at the specified intervals. Replace timing belts every 60,000 miles or 5 years, whichever comes first.
Engine Performance
Test the engine's performance, emissions, and sound levels using standard diagnostic tools. Ensure the engine runs smoothly and meets the required standards.
Choosing the right Mitsubishi 2.4L engine can be difficult. Here are some recommendations that may help in decision-making:
Business Needs
It’s important to consider the needs of the business before choosing an engine. For instance, if it’s a logistics company that transports goods from one place to another, it will need a more powerful engine to drive at high speed and cover long distances. But if it’s a construction company that uses the vehicle to transport workers and materials to the site, then a less powerful engine will be okay.
Budget
Budget also plays an important role in choosing an engine. More powerful engines are more expensive to buy and maintain. They also consume more fuel than the less powered ones.
Vehicle Type
The type of vehicle to be used also influences the choice of engine. Larger and heavier vehicles require more power to move them, while smaller and lighter ones need less power.
Maintenance
Maintenance is another factor to consider when choosing an engine. Some engine types require more regular maintenance than others. Before choosing an engine, think about whether the business can cope with the extra cost and time involved in maintaining it.
Consider Power Torque
When selecting a Mitsubishi engine for a specific vehicle, consider the power and torque ratings. The power rating of an engine is a measure of how much work it can do in a given period. The torque rating is a measure of how much twisting force the engine can produce.
Fuel Efficiency
When selecting an engine, consider its fuel efficiency. A more fuel-efficient engine can save money in the long term, even if it is more expensive to buy upfront.
Some Mitsubishi engines are more detailed and complex; therefore, a basic knowledge of mechanics may not be enough to carry out a DIY. However, here are some general steps to follow when attempting to replace a 2.4L Mitsubishi engine:
1. Choose the right engine: Find out the exact engine that went into the old engine and use it to replace the old one.
2. Remove all the engine components: This includes the engine cover, air intake system, exhaust system, wiring harnesses, fuel system, and cooling system. Also, drain all the fluids from the engine and remove all the engine-mounted accessories.
3: Unbolt the engine from the transmission: Use a floor jack to support the transmission and unbolt the engine from the transmission.
4. Use an engine hoist to lift the engine out of the bay: Once the engine is free from the transmission, the next thing to do is to lift it out of the bay with an engine hoist.
5. Install the new engine: Lower the new engine onto the engine mounts using the engine hoist and connect it to the transmission.
6. Reconnect all the engine components: Reconnect all the engines, including the engine cooling system, exhaust system, air intake system, wiring harnesses, and engine-mounted accessories. Refill all the engine fluids and ensure there are no leaks.
7. Start the engine and check for issues: Start the engine and ensure it's running smoothly. Check for any unusual noises or warning lights on the instrument panel. Also, ensure there are no leaks and clear any error codes from the ECU.
8. Test drive the vehicle: After replacing the Mitsubishi 2.4L engines, take the vehicle for a test drive to ensure everything works as it should.
These steps are just a basic guide to replacing a Mitsubishi 2.4L engine. The process may vary depending on the vehicle model and engine conditions. Always consult a professional mechanic or refer to the service manual for detailed instructions and safety precautions.
Q1: How long does the Mitsubishi 2.4L engine last?
A1: The longevity of the Mitsubishi 2.4L engine depends on several factors, such as driving habits, maintenance frequency, and conditions. Generally, with proper maintenance and care, the engine can last between 200,000 and 250,000 miles. This number can vary, so it's crucial to consider these aspects.
Q2: What types of oil are suitable for the Mitsubishi 2.4L engine?
A2: For the Mitsubishi 2.4L engine, using oils that meet the required specifications is essential. Generally, synthetic oils, such as 5W-20 or 0W-20, are recommended. These oils have good fluidity and high-temperature stability, providing excellent lubrication and protection for engine parts.
Q3: Is the Mitsubishi 2.4L engine a good choice for the Outlander?
A3: The Mitsubishi 2.4L engine is a solid choice for the Outlander. This engine offers a balanced performance in terms of power and fuel efficiency, which can meet the needs of most Outlander drivers. However, if users pursue higher performance, they can consider other engines that have more power.
Q4: Can the Mitsubishi 2.4L engine be used in other brands of vehicles?
A4: Mitsubishi's 2.4L engine is generally designed for Mitsubishi vehicles. Still, with proper adjustments and modifications, it can be applied to other brands of vehicles. However, this may require more professional technical support and customization work.
Q5: What should be paid attention to when maintaining the Mitsubishi 2.4L engine?
A5: When maintaining the Mitsubishi 2.4L engine, following the maintenance guide provided by Mitsubishi is essential. Regularly changing the engine oil and filter, maintaining the spark plug, and cleaning the air filter are necessary work. At the same time, try to use genuine parts or high-quality aftermarket parts to ensure engine performance and stability.