how do I know if my Toyota Highlander Third Generation (2014-2019) needs new shocks

Toyota Highlander Third Generation (2014-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

511 words

Problem Statement

Learn how to diagnose and replace shocks on a 2014-2019 Toyota Highlander. 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 vehicle.
•Ensure the vehicle is securely lifted before beginning work.

Symptoms

•Excessive bouncing or swaying while driving
•Uneven tire wear
•Difficulty maintaining vehicle control during sharp turns
•Noticeable noise when driving over bumps (clunking or rattling sounds)
•A harsh ride quality or feeling every bump in the road
•Fluid leakage from the shock absorbers

Diagnostic Steps

1
Inspect shocks visually for any signs of leakage or damage.
2
Perform a bounce test by pushing down on each corner of the vehicle to observe how it rebounds.
3
Check tire wear patterns for unusual wear that may indicate shock issues.
4
Take the vehicle for a test drive over uneven surfaces and listen for abnormal noises.
5
Measure the ride height at all four corners of the vehicle to ensure evenness.
6
Review service history for any past suspension work or shock absorber replacements.

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
•Wrench set
•Torque wrench

Parts Required

•Front shock absorbers
•Rear shock absorbers

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Diagnostic Steps

1
Inspect shocks visually for any signs of leakage or damage.
2
Perform a bounce test by pushing down on each corner of the vehicle to observe how it rebounds.
3
Check tire wear patterns for unusual wear that may indicate shock issues.
4
Take the vehicle for a test drive over uneven surfaces and listen for abnormal noises.
5
Measure the ride height at all four corners of the vehicle to ensure evenness.
6
Review service history for any past suspension work or shock absorber replacements.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a level surface and engage the parking brake.
Disconnect the battery if necessary for safety.

2. Lift the Vehicle

Use a hydraulic lift or jack to raise the vehicle securely.
Support the vehicle with jack stands to ensure safety.

3. Remove the Old Shocks

Tools Required: Socket set, wrench set, and possibly a torque wrench.

Locate the shock absorber mounting points on the vehicle.
Remove the bolts securing the top and bottom of the shock absorber using the socket set.
Carefully lower the shock from its mounting and remove it from the vehicle.

4. Install New Shocks

Parts Required: New shock absorbers appropriate for the 2014-2019 Toyota Highlander.

Position the new shock absorber in place.
Secure the shock absorber with the mounting bolts, ensuring they are tightened to the manufacturer’s specifications (consult service manual for torque values).
Repeat the process for all shock absorbers that need replacement.

5. Reassemble and Lower the Vehicle

Remove jack stands and lower the vehicle back to the ground.
Reconnect the battery if it was disconnected.
Check all installed components for proper alignment and secure fit.