Mitsubishi Diamante 6G74 (SOHC 24V) Sedan 157kW (2002-2005) AWD Petrol 3.5L (2002–2005)
Welcome to your MITSUBISHI DIAMANTE Base vehicle wiki! This resource provides owners with key information to help maintain and understand their vehicles. We'll cover common maintenance needs, potential problem areas, and advice to keep your Diamante in top condition.
Parts for the Mitsubishi Diamante 6G74 (SOHC 24V) Sedan 157kW (2002-2005) AWD Petrol 3.5L
Owners should pay attention to potential automatic transmission problems (harsh shifting), erosion of rear suspension components, and the possibility of timing belt tensioner failure which often is more common at higher mileages.
WOF tips
When getting a Warrant of Fitness (WOF), be particularly mindful of the following points: Suspension ball joints and corrosion around the windscreen/rear window.
About the Mitsubishi Diamante 6G74 (SOHC 24V) Sedan 157kW (2002-2005) AWD Petrol 3.5L
The MITSUBISHI DIAMANTE Base became a popular option for New Zealand families and drivers seeking a comfortable and well-equipped Japanese sedan.
Maintenance & Servicing
Regular maintenance is crucial for the longevity of your Diamante. Consider these key service items: • Engine Oil & Filter: Regular oil changes are vital for engine health. • Air Filter: A clean air filter ensures optimal engine performance. • Spark Plugs: Replacing spark plugs at recommended intervals maintains efficient combustion. • Automatic Transmission Fluid & Filter: Regular servicing of the automatic transmission is important for smooth shifting. • Fuel Filter: A clean fuel filter ensures proper fuel delivery. • Power Steering Fluid: Maintaining proper power steering fluid levels ensures smooth steering. • Drive Belt (Alternator): Inspect and replace the drive belt as needed to prevent accessory drive failure. • Timing Belt Kit, Timing Belt Idler, Timing Belt Camshaft Replacement of the timing belt and related components at the specified interval is crucial to preventing catastrophic engine damage. This is very important considering the known weakness of tensioner failures at higher mileages. • Disc Brake Rotors (Front & Rear): Regularly inspect and service the brakes for optimal stopping power. • Radiator Hose (Lower): Check hoses for wear and tear to prevent leaks and overheating.
Potential Problem Areas
Like any vehicle, the DIAMANTE Base has some common issues to be aware of: • Automatic Transmission Issues: Be alert for harsh shifting, which can indicate potential transmission problems. • Rear Suspension Erosion: Check for issues in rear suspension components, as erosion can occur. • Timing belt tensioner failure: The timing belt tensioner is a known weak point, particularly at higher mileages, and failure can lead to significant engine damage. Preventative maintainence is key here.
These issues are often reported around the 150,000-250,000 km mark, but preventative maintainance can often help reduce risk.
Questions owners ask
What are some common problems I should watch out for on my 2002-2005 MITSUBISHI DIAMANTE?
Keep an eye out for potential automatic transmission issues like harsh shifting. Also, inspect the rear suspension components for erosion. A known weak point is the timing belt tensioner, especially around 150,000-250,000 km, so preventative maintenance is key.
What kind of maintenance schedule should I follow for my MITSUBISHI DIAMANTE to keep it running smoothly?
Stick to the recommended 15,000km service intervals and pay close attention to engine oil and filter changes, air filter replacements, spark plug replacements, and automatic transmission fluid and filter servicing. Don't forget the fuel filter, power steering fluid, drive belt (alternator), and regular brake inspections. The timing belt kit, timing belt idler, and timing belt camshaft should be replaced at the specified interval to prevent engine damage.
Where can I get a new air filter for my 2002-2005 MITSUBISHI DIAMANTE in NZ?
CARFIX stocks 126 SKUs for the MITSUBISHI DIAMANTE 2002-2005, including air filters. Check the CARFIX website or your local store to find the correct air filter for your vehicle.
What should I be aware of during a Warrant of Fitness (WOF) check for my MITSUBISHI DIAMANTE?
During a WOF inspection, pay special attention to the suspension ball joints and any signs of corrosion around the windscreen or rear window of your DIAMANTE.
How often should I replace the timing belt on my MITSUBISHI DIAMANTE, and why is it so important?
Replacement of the timing belt and related components (timing belt idler, timing belt camshaft) at the specified interval is crucial to preventing catastrophic engine damage. The timing belt tensioner is a known weak point, particularly at higher mileages, so don't skip this service.
What type of engine oil should I use in my MITSUBISHI DIAMANTE?
Refer to your MITSUBISHI DIAMANTE owner's manual for the manufacturer's recommended engine oil type and viscosity. Using the correct oil is vital for optimal engine performance and longevity.
Are there any common issues with the automatic transmission in the MITSUBISHI DIAMANTE?
Yes, some owners have reported harsh shifting in the automatic transmission. If you experience this, it's best to have it checked by a qualified mechanic to prevent further damage.