why does my Toyota Highlander XU70 (2020-Present) shake when I accelerate

Toyota Highlander XU70 (2020-Present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

475 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix shaking during acceleration in the 2020 Toyota Highlander XU70. Step-by-step guide with symptoms, diagnostic steps, and solutions.

Affected Component

Suspension

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is securely lifted and supported before working underneath.
•Disconnect the battery before working on electrical connections.

Symptoms

•Vehicle shakes or vibrates noticeably during acceleration
•Possible steering wheel vibration
•Reduced power delivery when accelerating
•Unusual noises (clunking, grinding) during acceleration
•Potential misalignment of the steering wheel

Diagnostic Steps

1
Inspect the tires for uneven wear and proper inflation.
2
Check the wheel alignment using a professional alignment machine.
3
Examine the driveshaft and CV joints for damage or wear.
4
Scan the vehicle's onboard computer for any error codes related to the engine or transmission.
5
Inspect engine and transmission mounts for any signs of wear or damage.
6
Test-drive the vehicle to isolate the speed at which the shaking occurs.

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

•Tire pressure gauge
•Alignment machine
•Jack and jack stands
•Socket set
•Torque wrench

Parts Required

•New engine or transmission mounts (if needed)
•Replacement tires (if uneven wear is found)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Inspect the tires for uneven wear and proper inflation.
2
Check the wheel alignment using a professional alignment machine.
3
Examine the driveshaft and CV joints for damage or wear.
4
Scan the vehicle's onboard computer for any error codes related to the engine or transmission.
5
Inspect engine and transmission mounts for any signs of wear or damage.
6
Test-drive the vehicle to isolate the speed at which the shaking occurs.

Solution

1. Tire Inspection

Check Tire Condition: Inspect all four tires for signs of uneven wear, bulges, or flat spots.
Inflate Tires: Ensure that all tires are inflated to the manufacturer's recommended pressure.
Tools Required: Tire pressure gauge.

2. Wheel Alignment

Perform Alignment: If the tires are in good condition, take the vehicle to a professional alignment shop.
Adjust as Needed: Follow the technician's recommendations to align the wheels to the correct specifications.
Tools Required: Alignment machine.

3. Driveshaft and CV Joint Inspection

Visual Inspection: Look for any noticeable damage on the driveshaft and CV joints, including cracks or leaks.
Test for Play: Gently shake the CV joints to check for excessive play or grinding noise.
Tools Required: Jack and jack stands for access.

4. Engine and Transmission Mounts Check

Inspect Mounts: Examine the engine and transmission mounts for cracks or excessive wear.
Replace if Necessary: If mounts are damaged, remove the old mounts and install new ones, following the manufacturer's torque specifications.
Tools Required: Socket set, torque wrench.

5. Test Drive

Confirm Repairs: After performing the necessary repairs, take the vehicle for a test drive to ensure that the shaking has been resolved.