Mitsubishi Sigma 4G63 Sedan (1985-1987) FWD Petrol 2.0L - Variant 2 (1985–1987)

The Mitsubishi Sigma was a popular vehicle in New Zealand, known for its reliability and practicality. This guide offers information to help owners maintain their Sigma Base model and address potential issues that may arise.

Parts for the Mitsubishi Sigma 4G63 Sedan (1985-1987) FWD Petrol 2.0L - Variant 2

• Gear Oil Gearbox (32)
• Engine Oil (19)
• Radiator Coolant (15)
• Axle Gear Oil (11)
• Oil Filter (10)
• Spark Plug Tube Seal (6)
• Air Filter (6)
• Oil Seal Oil Pump (6)
• Steering Rack Boot Kit (5)
• Oil Seal Crank Shaft Front / Timing Front (5)
• Radiator Cap (4)
• Steering Rack End (4)
• Suspension Bush Radius Arm Front (4)
• Oil Seal Axle / Drive Shaft - Rear Outer (4)
• Exhaust Flange Gasket Pipe (4)
• Temperature Sensor / Sender Coolant (4)
• Valve Cover Bolt Seal/Washer (4)
• Main Bearing Crank Shaft (4)
• Brake Fluid (4)
• Oil Seal Camshaft End (4)
• Starter Motor (4)
• Disc Brake Rotor Front (3)
• Suspension Bush Rear Control Arm (3)
• Valve Cover Gasket (3)
• Oil Seal Crank Shaft Rear / Rear Main Bearing (3)
• Timing Belt Camshaft (3)
• Timing Tensioner (3)
• Oil Seal Camshaft (3)
• Spark Plug (3)
• Wheel Bearing Kit/Hub Front (3)
• Universal Joint / Coupling Rear (3)
• Drive Belt Alternator (3)
• Universal Joint / Coupling Front (3)
• Cv Joint Boot Kit Front Right Inner (3)
• Cv Joint Boot Kit Front Left Inner (3)
• Ball Joint Front (3)
• Turbo Gasket Inlet (3)
• Cv Joint (3)
• Wheel Nut (3)
• Suspension Bush Rear Control Arm - Lower (3)
• Wheel Bearing (3)
• Water Pump Gasket (2)
• Pitman Arm (2)
• Valve Stem Seal (2)
• Steering Box Seal Kit (2)
• Wheel Bearing Kit/Hub Rear (2)
• Wheel Bearing Front (2)
• Steel Washer Sway Bar Link Front (2)
• Oil Pressure Switch/Sender (2)
• Coil Spring Rear Standard Profile (2)
• Thermostat (2)
• Clutch Slave Cylinder Kit (2)
• Head Set/Valve Regrind Gasket Set (2)
• Manifold Gasket Exhaust (2)
• Cv Joint Boot Kit Front Left Outer (2)
• Master Cylinder Brake (2)
• Cv Joint Boot Kit Front Right Outer (2)
• Wheel Nut & Stud Rear (2)
• Oil Seal Auxillary Shaft (2)
• Suspension Bush Sway Bar Link (2)

Known issues

Owners of the Mitsubishi Sigma Base may eventually encounter certain common issues, especially given the vehicle's age. These can include:
• Automatic Transmission Issues: Watch for slipping gears or rough shifting, which could indicate transmission problems. Regular transmission fluid changes can help prolong its life.
• Rust in Rear Wheel Arches: Inspect the rear wheel arches for rust, a common problem in older vehicles. Addressing rust early can prevent it from spreading.
• Oil Leaks from the Engine: Be aware of potential oil leaks, which can stem from various engine seals and gaskets. Monitor oil levels regularly.

WOF tips

When taking your Mitsubishi Sigma Base for a Warrant of Fitness (WOF) inspection, be mindful of these potential areas of concern:
• Rear Suspension Bushes: Pay attention to the condition of the rear suspension bushes. Worn or damaged bushes can result in WOF failure and negatively affect handling.
• Corrosion around Windscreen: Inspect the area around the windscreen for corrosion, as this is another potential WOF watchpoint.

About the Mitsubishi Sigma 4G63 Sedan (1985-1987) FWD Petrol 2.0L - Variant 2

As a common sight on New Zealand roads in the 1980s, the Mitsubishi Sigma often served as a dependable family car. Owners appreciated its practicality and reasonable running costs.

Maintenance & Longevity

Regular maintenance is key to keeping your Sigma Base running reliably. Pay close attention to the service schedule and address any emerging issues promptly. Given the age of these vehicles, preventative maintenance becomes particularly important.

Focus on Fitment Areas:
• Brakes: Inspect brake pads, rotors, and brake lines regularly. Ensure proper brake fluid levels and consider flushing the system periodically.
• Filters: Change oil, air, and fuel filters at recommended intervals. A clean air filter improves engine performance, while clean oil prolongs engine life.
• Suspension: Monitor the condition of shocks, struts, and suspension bushings. Worn suspension components can affect handling and ride comfort.

Questions owners ask

What are the common rust spots I should check on my 1985-1987 Mitsubishi Sigma?

Owners of the Mitsubishi Sigma from 1985-1987 should pay close attention to the rear wheel arches for rust, as this is a common problem in older vehicles. Additionally, inspect the area around the windscreen for corrosion, as this is a potential WOF watchpoint.

What are the typical service intervals for a Mitsubishi Sigma (1985-1987) in New Zealand?

The recommended service interval for your 1985-1987 Mitsubishi Sigma is every 10,000km. Regular maintenance at these intervals is crucial for keeping your vehicle running reliably, especially given its age.

What should I look out for regarding the automatic transmission in my 1985-1987 Mitsubishi Sigma?

For 1985-1987 Mitsubishi Sigmas with automatic transmissions, watch for signs like slipping gears or rough shifting. These can indicate potential transmission problems. Regular transmission fluid changes can help prolong the life of your transmission.

What are the key WOF inspection points for a 1985-1987 Mitsubishi Sigma in NZ?

When preparing your 1985-1987 Mitsubishi Sigma for a Warrant of Fitness (WOF) inspection, pay particular attention to the rear suspension bushes. Worn or damaged bushes can lead to WOF failure and affect handling. Also, inspect the area around the windscreen for corrosion, as this is another common WOF concern for this model.

Where can I get brake pads and filters for my 1985-1987 Mitsubishi Sigma in NZ?

CARFIX stocks 209 SKUs for the 1985-1987 Mitsubishi Sigma, including essential parts like brake pads, rotors, oil filters, air filters, and fuel filters. You can find these parts on the CARFIX website or by visiting a CARFIX store.

My 1985-1987 Mitsubishi Sigma seems to be leaking oil. What are the common causes?

Oil leaks in a 1985-1987 Mitsubishi Sigma are a common issue, often stemming from various engine seals and gaskets. It's important to monitor your oil levels regularly and address any leaks promptly to prevent further damage.