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Mitsubishi Sigma Scorpion 4G54 Coupe 78kW (1982-1982) (1982–1982)

Welcome to your comprehensive guide to the Mitsubishi Sigma Scorpion Base model. This wiki provides valuable information for New Zealand owners, covering everything from common maintenance needs to potential WoF issues. Whether you're a seasoned Scorpion enthusiast or a new owner, this resource will help you keep your vehicle running smoothly.

Parts for the Mitsubishi Sigma Scorpion 4G54 Coupe 78kW (1982-1982)

Known issues

Some Mitsubishi Sigma Scorpion owners have reported issues that can arise, typically between 80,000 and 120,000 km:
• Timing Belt Tensioner: Be mindful of potential timing belt tensioner issues, especially if your vehicle is equipped with the Astron engine. Inspect and replace as needed to avoid costly engine repairs.
• Front Suspension Ball Joints: Premature wear in the front suspension ball joints is another known weak point. Keep an eye on these and replace them if you notice excessive play or unusual noises. The condition and specification of all suspension components affect vehicle handling safety and tyre wear.

WOF tips

When taking your Mitsubishi Sigma Scorpion for a Warrant of Fitness (WoF) inspection in New Zealand, be aware of these common watch points:
• Rust: Pay close attention to rust, particularly around the rear window and sills. These areas are prone to corrosion and can be a WoF failure point.
• Steering Rack Play: Excessive play in the steering rack is another common issue that WoF inspectors will check. Address any play promptly to ensure safe handling.

About the Mitsubishi Sigma Scorpion 4G54 Coupe 78kW (1982-1982)

Owning a Mitsubishi Sigma Scorpion in New Zealand often means appreciating a vehicle that offered a unique alternative to the more common Ford and Holden models of its time. These vehicles appealed families looking for something a bit different.

Maintenance Matters:

Keeping your Scorpion maintained is key to its longevity. Consider these important areas:
• Timing System: The timing system includes components like the timing kit, timing chain guide, and camshaft oil seal. Regular inspection and timely replacement of these parts can help prevent engine damage.
• Driveline: Maintaining the driveline involves checking the condition of the axle/drive shaft oil seal (rear outer) and transmission/gearbox oil seals (front input and rear extension). Leaks should be addressed promptly.
• Fuel System: Regularly Replacing the fuel filter is important for the fuel system. Also consider checking the condition of the fuel pump gasket when servicing the pump.
• Cooling System: The radiator fan plays a vital role in maintaining optimal engine temperature. Ensure it's functioning correctly to prevent overheating.
• Steering System: Rebuilding the steering pump with a seal kit assists with preventing leaks and maintain smooth steering.
• Other Components: Consider that suspension and brake components, such as strut boot kits (front), wheel nuts (front and rear), wheel studs (rear), and the stop light switch, are wearing parts that should be checked regularly.

Washer System: To keep your windscreen clear, remember the windscreen washer pump (front).

Questions owners ask

What are some common rust areas I should inspect on my Mitsubishi Sigma Scorpion for its WoF in New Zealand?
When getting your Mitsubishi Sigma Scorpion ready for its WoF, pay special attention to rust around the rear window and sills. These spots are known to corrode and can cause a WoF failure.
Where can I find a replacement fuel filter for my 1982 Mitsubishi Sigma Scorpion in New Zealand?
CARFIX stocks 364 SKUs for the MITSUBISHI SIGMA SCORPION 1982–1982, including fuel filters. Regularly replacing the fuel filter is important for the fuel system.
What are some common issues to watch out for on a Mitsubishi Sigma Scorpion around 100,000 km?
Between 80,000 and 120,000 km, some Mitsubishi Sigma Scorpion owners have reported issues with the timing belt tensioner and premature wear in the front suspension ball joints. Inspect and replace these as needed.
What should I check in the steering system of my Mitsubishi Sigma Scorpion for WoF?
Excessive play in the steering rack is a common WoF failure point for the Mitsubishi Sigma Scorpion. Address any play promptly to ensure safe handling.
How often should I replace the fuel filter on my Mitsubishi Sigma Scorpion?
To keep your Scorpion's fuel system in good condition, regularly replace the fuel filter as part of your maintenance schedule. While the service interval is 10000km, consider more frequent changes if you notice fuel delivery issues.
What parts of the timing system should I pay attention to on my Mitsubishi Sigma Scorpion?
Regular inspection and timely replacement of timing system parts like the timing kit, timing chain guide, and camshaft oil seal can help prevent engine damage on your Mitsubishi Sigma Scorpion.
Where can I get replacement wheel nuts for my MITSUBISHI SIGMA SCORPION 1982–1982 in NZ?
CARFIX stocks 364 SKUs for the MITSUBISHI SIGMA SCORPION 1982–1982, including front and rear wheel nuts. These are wearing parts that should be checked regularly.