Mitsubishi 1.8l engine

Types of Mitsubishi 1.8L engines

• Mitsubishi 4G63 Engine

  The Mitsubishi 4G63 engine is a 1.8-liter inline-four piston engine that was first produced in 1988. This engine has a DOHC and SOHC valvetrain configuration. The 4G63 engine block is made from cast iron, while the engine head is made from aluminum alloy. This engine has an iron cylinder liner and a 4.00 in (101.6 mm) bore and 3.11 in (79.0 mm) stroke. The 4G63T is a turbocharged version of the standard 4G63 engine. The turbocharged engine has a compression ratio of 7.8:1 to 8.8:1. The 4G63t engine has increased power output and is used in the Mitsubishi Lancer Evolution I to III models.

• Mitsubishi 4B11 Engine

  The Mitsubishi 4B11 engine is a 1.8-liter inline-four piston engine that was first produced in 2005. This engine has a DOHC valvetrain configuration with 4 valves per cylinder. The 4B11 engine block is made from aluminum alloy, while the engine head is made from iron. The 4B11 engine has an aluminum cylinder liner and a 3.30 in (84.0 mm) bore and 3.50 in (88.0 mm) stroke. The 4B11 engine also has a compression ratio of 9.5:1 to 10.5:1. The 4B11T engine is a turbocharged version of the standard 4B11 engine. The turbocharged engine has a compression ratio of 8.8:1 to 9.5:1.

• Mitsubishi 4G69 Engine

  Mitsubishi 4G69 is a 2.0-liter I4 engine that was first produced in 2001. This engine has a SOHC valvetrain configuration with 4 valves per cylinder. The 4G69 engine block is made from iron, while the engine head is made from aluminum alloy. The 4G69 engine has an aluminum cylinder liner and a 3.50 in (89.0 mm) bore and 3.54 in (90.0 mm) stroke. This engine has a compression ratio of 9.5:1 to 10.5:1.

Specifications and maintenance of the Mitsubishi 1.8L engine

The specifications of the Mitsubishi 1.8L engine vary depending on the model and year, but generally include the following:

• Displacement: 1.8 liters (or 1798 cc)
• Cylinders: 4 cylinders, arranged in a line
• Valves: 16 valves, 4 per cylinder
• Fuel type: Petrol, although some models can run on diesel
• Fuel system: Electronic fuel injection, which delivers fuel directly to the combustion chamber
• Ignition system: Coil-on-plug ignition, which eliminates the need for a distributor and improves reliability
• Transmission: Manual or automatic transmissions are available on most models
• Power output: Depending on the model and year, the Mitsubishi 1.8L engine produces between 90 and 150 horsepower
• Torque: The torque also varies, with figures ranging from 120 to 200 Nm
• Emissions: Some models are designed to meet strict emissions standards, using technologies such as catalytic converters and exhaust gas recirculation

Car owners should follow the maintenance schedule provided in the owner's manual. Generally, maintenance involves:

• Engine oil: Change the engine oil and filter every 5,000 kilometers or 6 months, whichever comes first. Use the recommended oil grade in the owner's manual.
• Air filter: Inspect the air filter every 10,000 kilometers and replace it if dirty. A clean air filter ensures proper airflow and engine performance.
• Coolant: Check the coolant level regularly. Change the coolant every 40,000 kilometers to prevent overheating and corrosion.
• Spark plugs: Inspect the spark plugs every 20,000 kilometers. Replace them after 50,000 kilometers or if there are signs of wear.
• Fuel system: Use quality fuel and consider a fuel system cleaner every 20,000 kilometers. This maintains optimal combustion efficiency.
• Oil seals Check the condition of the oil seals and timing belt. Replace the timing belt after 100,000 kilometers or as recommended.
• Suspension and brakes: Have a qualified mechanic inspect the suspension and brake components for wear and tear.
• Exhaust system: Have a qualified mechanic inspect the exhaust system for leaks and damage

How to choose Mitsubishi 1.8L engines

Choosing a Mitsubishi 1.8L engine can be a daunting task, especially when buyers have no idea about what to look for. Here are some of the tips that can help buyers make informed decisions:

• Performance: To choose the right Mitsubishi 1.8L engine, consider the performance aspect first. What type of vehicle will the engine be installed in? Also, consider the driving behavior and style. For instance, if it's a sports car, the engine should offer more power and torque to provide that thrilling experience. On the other hand, a more balanced engine can be chosen for a family sedan.
• Fuel efficiency: Fuel efficiency should be considered when choosing Mitsubishi 1.8L engines. The cost of fuel affects the overall cost of running a vehicle. Choosing an engine with features that improve fuel efficiency can save buyers money in the long run. For example, an engine equipped with variable valve timing will optimize fuel combustion and utilize it better, offering more power with less fuel.
• Emissions regulations: Emission regulations are important when it comes to engine selection. Different regions have set emission regulations that need to be adhered to. This is because governments are trying to reduce the impact of vehicle emissions on the environment. Therefore, when choosing a Mitsubishi 1.8L engine, check for the one that meets the local emission standards. Such engines have features like catalytic converters and are designed to produce fewer emissions.
• Engine longevity: Consider engine longevity before making a choice. Replacing an engine can be a costly affair, and therefore, it's best to choose an engine that will run for many years with minimal maintenance. Look for engines with features that reduce wear and tear, such as high-quality materials and advanced cooling systems.

How to diy and replace mitusbishi 1.8l engines

Due to the complexity of the engine, replacing it by dismantling everything can be challenging. However, here are some basic steps to help replace a Mitsubishi 1.8L engine.

• Preparation

  Find a suitable work area, have all the necessary tools, and inform the engine's computer.

• Disconnect the battery

  To avoid short circuits, disconnect the battery before beginning any work on the engine.

• Drain fluids

  Drain all the fluids from the engine, including oil, coolant, and fuel.

• Remove external components

  Start removing external components like the air intake system, exhaust manifold, fuel injector rail, starter motor, alternator, power steering pump, and water pump.

• Disconnect electrical connections

  Get an electrician to help disconnect all the electrical connections to avoid short circuits and have them help identify the wiring harness connected to the engine and disconnect it.

• Remove the engine

  Use an engine hoist to lift the engine out of the vehicle after it has been unbolted from the engine mounts and all other connections have been disconnected.

• Install the new engine

  Set the new engine onto the engine mounts and reconnect all previously disconnected connections to the engine, such as electrical, cooling, and fuel systems.

• Refill fluids

  Refill the new engine with oil and coolant and ensure there are no leaks.

• Reassemble

  Follow the steps in disassembly and reassemble all external components.

• Reconnect the battery

  Reconnect the battery after ensuring everything is in order and working.

• Start the engine

  Check if the engine runs smoothly and perform any necessary adjustments.

Q and A

Q1. How long does the Mitsubishi 1.8L engine last?

A1. The engine's lifespan depends on many factors, such as usage and maintenance. Generally, the Mitsubishi 1.8L engines have a lifespan of 150,000 to 200,000 miles.

Q2. What are the common problems with the Mitsubishi 1.8L engine?

A2. The issues may vary depending on the engine model. Generally, there are many problems with the engine's internal components, such as wear, damage, and corrosion. Besides, some engines may have ignition and fuel system problems. These issues will affect the engine's performance and require timely solutions.

Q3. What should be paid attention to when maintaining the Mitsubishi 1.8L engine?

A3. Using high-quality engine oil and filters and replacing them regularly is necessary. Keeping the cooling system, air intake system, and exhaust system in good condition is also essential. Besides, users should pay attention to the engine's performance and sound and address any potential issues promptly.