how to tell if my Tesla Outback struts are worn out

Subaru Outback 5th Generation (2015-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

553 words

Problem Statement

Learn how to diagnose and replace worn struts on your Tesla Outback. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Suspension

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always use jack stands when working under a lifted vehicle.
•Disconnect the battery before working on electrical components.

Symptoms

•Excessive bouncing or swaying during driving
•Noticeable nose diving when braking
•Uneven tire wear, particularly on the inner or outer edges
•Difficulty maintaining control on bumpy roads
•Clunking or knocking noises over bumps
•Vehicle sitting lower than usual at the rear

Diagnostic Steps

1
Inspect the struts visually for signs of oil leakage or damage.
2
Perform a bounce test by pushing down on each corner of the vehicle; it should return to its original position without excessive bouncing.
3
Check the tire wear patterns; look for uneven wear or cupping.
4
Drive the vehicle over bumps to listen for unusual noises, indicating worn struts.
5
Evaluate vehicle stability during turns; excessive body roll can indicate worn struts.
6
Examine the strut mounts for any signs of wear or damage.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•Hydraulic jack
•Jack stands
•Socket set
•Torque wrench
•Screwdrivers
•Pliers

Parts Required

•New struts (front and/or rear as needed)
•New strut mounts (if worn)

Related Faults

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Diagnostic Steps

1
Inspect the struts visually for signs of oil leakage or damage.
2
Perform a bounce test by pushing down on each corner of the vehicle; it should return to its original position without excessive bouncing.
3
Check the tire wear patterns; look for uneven wear or cupping.
4
Drive the vehicle over bumps to listen for unusual noises, indicating worn struts.
5
Evaluate vehicle stability during turns; excessive body roll can indicate worn struts.
6
Examine the strut mounts for any signs of wear or damage.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a flat surface and engage the parking brake.
Disconnect the battery to prevent electrical issues during the repair.

2. Lift the Vehicle

Use a hydraulic jack to lift the vehicle at the designated lift points.
Secure the vehicle with jack stands for safety.

3. Remove the Wheel

Use a socket set to remove the lug nuts.
Take off the wheel to access the strut assembly.

4. Remove the Strut Assembly

Disconnect any necessary components (e.g., brake line, sway bar link) attached to the strut.
Remove the nuts securing the strut to the top mount inside the engine compartment (may require a torque wrench).
Unbolt the strut from the steering knuckle and carefully pull out the strut assembly.

5. Install New Struts

Compare the old strut with the new one to ensure correct fitment.
Install the new strut by reversing the removal steps:
- Attach the strut to the steering knuckle.
- Secure the top mount with new nuts (follow manufacturer torque specifications).
- Reattach the brake line and sway bar link.

6. Reassemble and Lower the Vehicle

Reinstall the wheel and hand-tighten the lug nuts.
Lower the vehicle back to the ground using the hydraulic jack.
Torque the lug nuts to the manufacturer’s specifications.

7. Final Checks

Reconnect the battery.
Test drive the vehicle to ensure proper handling and ride quality.