How to Inspect and Replace Worn Out Suspension Components on Everyday Mitsubishi Vehicles

The suspension system in your Mitsubishi vehicle plays a vital role in ensuring a smooth ride, maintaining vehicle stability, and providing precise handling. Over time, components such as shocks, struts, bushings, ball joints, and control arms can deteriorate due to constant exposure to road conditions, weather, and normal wear and tear. Neglecting suspension maintenance can lead to uneven tire wear, compromised safety, reduced driving comfort, and even damage to other vehicle parts.

In this comprehensive guide, we will walk you through how to properly inspect your Mitsubishi’s suspension components for signs of wear, and provide detailed steps on how to safely replace worn parts. Whether you own a Mitsubishi Outlander, Eclipse Cross, or the popular Mitsubishi Mirage, understanding your suspension system’s condition is essential for daily driving reliability and safety.

Understanding Your Mitsubishi Suspension System

The suspension system consists of multiple interconnected parts designed to absorb shocks from the road, maintain tire contact, and support the vehicle’s weight. Key components include:

  • Shocks and Struts: These dampen the impact from road irregularities and control spring movement.
  • Springs: Coil springs or leaf springs support the vehicle's weight and absorb bumps.
  • Control Arms: Connect the suspension to the vehicle frame and allow controlled wheel movement.
  • Ball Joints and Tie Rod Ends: Facilitate smooth steering and suspension articulation.
  • Bushings: Rubber or polyurethane components that reduce friction between moving parts.

Each part must be in good condition to keep your Mitsubishi driving safely and comfortably.

Signs Your Mitsubishi’s Suspension Components May Need Attention

Before diving into inspections, it’s important to recognize common symptoms indicating suspension problems:

  • Excessive Bouncing or Nose Diving: When braking or driving over bumps, the vehicle continues to bounce or dips excessively.
  • Uneven Tire Wear: Tires wearing unevenly, especially on one edge, often signal suspension misalignment or worn parts.
  • Poor Steering Response: The steering feels loose, wanders, or you notice vibrations through the steering wheel.
  • Unusual Noises: Clunking, squeaking, or creaking noises when driving over bumps or turning.
  • Vehicle Pulling to One Side: The car drifts or pulls during acceleration, braking, or straight-line driving.

If you notice any of these symptoms, it’s time for a detailed suspension inspection.

How to Inspect Suspension Components on Mitsubishi Vehicles

Conducting a thorough suspension inspection involves a combination of visual checks, physical tests, and listening for abnormal sounds. Follow these steps to evaluate the condition of your suspension parts:

1. Perform a Visual Inspection

Begin by raising the vehicle safely using a jack and supporting it on jack stands. Remove the wheels to gain better access to suspension components.

  • Check for Leaks: Examine shocks and struts for oil leaks, which indicate failed seals and loss of damping ability.
  • Inspect Rubber Bushings: Look for cracks, brittleness, or missing pieces in bushings around control arms and sway bars.
  • Look for Rust or Damage: Surface rust is common, but heavy corrosion or bent components should be addressed immediately.
  • Examine Springs: Check for broken coils or sagging springs that could affect ride height.
  • Ball Joints and Tie Rod Ends: Visually inspect for torn dust boots or excessive grease leakage.

2. Conduct the Bounce Test

With the vehicle parked on a level surface, press down firmly on each corner of the car and release quickly.

  • A healthy suspension will allow the car to bounce once or twice before settling.
  • If the vehicle continues to bounce multiple times, the shocks or struts are likely worn out and need replacement.

3. Listen for Noise While Driving

During a test drive, pay close attention to any unusual noises such as clunks, squeaks, or rattles when turning the steering wheel or driving over bumps. These sounds often indicate worn bushings, ball joints, or other suspension components.

4. Check Tire Wear Patterns

Uneven or cupped tire wear is a common sign of suspension problems. Inspect the tread carefully and note any irregular wear patterns. This could be caused by misaligned control arms, worn shocks, or damaged bushings affecting wheel alignment.

5. Use a Pry Bar to Test Play in Suspension Joints

With the wheels still off, gently use a pry bar to check for excessive movement in ball joints, control arms, and tie rod ends. Any noticeable play or looseness suggests that parts are worn and should be replaced.

Tools and Equipment Needed for Suspension Inspection and Replacement

Having the right tools is essential for safely inspecting and replacing suspension components. Common tools you will need include:

  • Hydraulic jack and jack stands
  • Lug wrench or impact wrench
  • Socket sets and combination wrenches (metric sizes)
  • Spring compressor (for strut assembly removal)
  • Pry bars
  • Torque wrench (to tighten bolts to manufacturer specifications)
  • Penetrating oil (for loosening rusted bolts)
  • Rubber mallet
  • Safety gloves and eye protection

Always consult your Mitsubishi owner’s manual for specific torque values and recommended tools for your particular model.

Step-by-Step Guide: Replacing Worn Suspension Components on Mitsubishi Vehicles

Replacing suspension parts requires patience and careful attention to safety. Below are detailed steps covering the removal and installation process for common components like shocks, struts, and bushings.

1. Preparation and Safety First

  • Park the vehicle on a flat, stable surface and engage the parking brake.
  • Use wheel chocks to prevent the car from rolling.
  • Loosen the lug nuts slightly before lifting the vehicle.
  • Lift the car with a hydraulic jack and support it securely on jack stands placed under the manufacturer-recommended lift points.
  • Remove the wheel to access suspension parts.

2. Removing the Worn Suspension Component

The exact removal procedure depends on the part you are replacing. Below is a general outline:

  • Disconnect Ancillary Components: Remove sway bar links, brake line brackets, ABS sensor wires, or any components attached to the strut or shock.
  • Remove Bolts and Nuts: Use appropriate sockets and wrenches to remove mounting bolts. Apply penetrating oil if bolts are stuck due to rust.
  • For Struts: Compress the coil spring with a spring compressor before removing the strut assembly to prevent injury.
  • Carefully Remove the Part: Avoid damaging any surrounding components or brake lines during removal.

3. Installing the New Suspension Component

  • Compare the new part with the removed component to ensure proper fit.
  • If replacing struts, carefully decompress the coil spring after installation to avoid damage.
  • Position the new part and hand-tighten mounting bolts initially.
  • Reconnect any ancillary components you removed earlier.
  • Use a torque wrench to tighten all bolts to the manufacturer’s specifications listed in your Mitsubishi service manual.

4. Reassemble and Lower the Vehicle

  • Reinstall the wheel and hand-tighten the lug nuts.
  • Lower the vehicle from the jack stands carefully.
  • Fully tighten the lug nuts in a star pattern to ensure even torque.

5. Perform a Test Drive and Final Checks

After replacement, take your Mitsubishi for a slow test drive to evaluate handling and listen for any unusual noises. Check that the vehicle rides smoothly and the steering feels responsive. It’s advisable to have a professional wheel alignment performed to ensure optimal tire wear and vehicle stability.

Tips for Maintaining Your Mitsubishi Suspension System

  • Regular Inspections: Perform suspension checks every 12,000 miles or annually, and more often if you frequently drive on rough roads.
  • Replace in Pairs: For shocks and struts, always replace components on both sides of the vehicle to maintain balanced handling.
  • Use Genuine Mitsubishi Parts: OEM parts ensure proper fit and durability tailored to your vehicle’s design.
  • Stay Alert for Symptoms: Address suspension issues promptly to avoid secondary damage to tires, steering, and chassis.
  • Professional Assistance: If you are unsure about any inspection or replacement step, consult a certified Mitsubishi technician for expert service.

Common Questions About Mitsubishi Suspension Maintenance

How often should I replace shocks and struts on my Mitsubishi?

Shocks and struts generally last between 50,000 to 100,000 miles, depending on driving conditions. Signs like excessive bouncing or leaking fluid indicate it’s time for replacement.

Can I drive with a worn suspension component?

While it may be possible, driving with worn suspension parts compromises safety, handling, and comfort. It increases the risk of accidents and can cause further vehicle damage.

Is it necessary to get a wheel alignment after suspension repairs?

Yes, suspension component replacement often affects wheel alignment. Getting a professional alignment ensures even tire wear and proper vehicle handling.

Are aftermarket suspension parts a good alternative to OEM?

Aftermarket parts can be cost-effective but may vary in quality. Using OEM Mitsubishi parts guarantees compatibility and longevity, especially for critical components.

Conclusion

Maintaining the suspension system on your Mitsubishi vehicle is essential for safety, comfort, and performance. Regular inspections, prompt replacement of worn parts, and adherence to proper installation procedures will keep your Mitsubishi handling confidently on the road. Whether you choose to perform maintenance yourself or seek professional help, understanding the suspension system empowers you to make informed decisions that protect your investment and ensure driving enjoyment.

For more detailed service manuals, replacement part options, and expert advice specific to your Mitsubishi model, visit Everyday Mitsubishi. Our team is committed to helping you maintain your vehicle in top condition.