why does my Honda Accord 9th Generation (2013-2017) rear end sag?

Honda Accord Eleventh Generation (2023-present)

Error Codes

3-5 hours

Time

medium

Difficulty

medium

Severity

3 min read

580 words

Problem Statement

Learn how to diagnose and fix rear end sagging in Honda Accord 9th Generation (2013-2017). Step-by-step guide with diagnostic steps and repair instructions.

Affected Component

Suspension

Estimated Time

3-5 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is securely supported on jack stands before working underneath.
•Disconnect the battery before working on electrical components or if removing any sensors.

Symptoms

•Noticeable decrease in rear vehicle height compared to the front
•Uneven tire wear on rear tires
•Poor ride quality and comfort
•Increased body roll during turns
•Potential for bottoming out on bumps or dips

Diagnostic Steps

1
Inspect the rear suspension components for visible damage or wear.
2
Check the rear coil springs for sagging or breakage.
3
Examine the shock absorbers for leaks or loss of damping capability.
4
Measure the ride height from ground to fender arch and compare with manufacturer specifications.
5
Inspect rear control arms and bushings for wear and play.
6
Assess the condition of the rear axle and differential for any abnormalities.

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

•Jack and jack stands
•Socket set
•Torque wrench
•Pry bar
•Impact wrench (optional)
•Ball joint separator

Parts Required

•Rear coil springs
•Rear shock absorbers
•Control arms or bushings (if needed)

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Diagnostic Steps

1
Inspect the rear suspension components for visible damage or wear.
2
Check the rear coil springs for sagging or breakage.
3
Examine the shock absorbers for leaks or loss of damping capability.
4
Measure the ride height from ground to fender arch and compare with manufacturer specifications.
5
Inspect rear control arms and bushings for wear and play.
6
Assess the condition of the rear axle and differential for any abnormalities.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a flat surface and engage the parking brake.
Disconnect the battery if electrical components will be manipulated.

2. Inspect and Replace Rear Coil Springs

Tools Required: Jack and jack stands, socket set, torque wrench, pry bar.
Sub-steps:
1. Lift the rear of the vehicle using a jack and secure it with jack stands.
2. Remove the rear wheel on the side where the spring will be replaced.
3. Detach the lower shock absorber bolt to allow for better access to the spring.
4. Use a pry bar to gently compress the spring and remove the old coil spring.
5. Install the new coil spring, ensuring it is seated correctly in the spring perch.
6. Reattach the shock absorber and tighten the bolt to manufacturer-recommended torque specifications.

3. Inspect and Replace Shock Absorbers

Tools Required: Socket set, torque wrench, impact wrench (optional).
Sub-steps:
1. With the rear still elevated, locate the shock absorber mounting points.
2. Remove the bolts securing the shock absorber at both the top and bottom.
3. Replace the old shock absorber with a new one, ensuring it is oriented correctly.
4. Tighten the mounting bolts to the manufacturer’s specifications.

4. Check and Replace Control Arms or Bushings (if necessary)

Tools Required: Socket set, torque wrench, ball joint separator.
Sub-steps:
1. Inspect control arms and bushings for wear or damage.
2. If damaged, remove the control arm by unbolting it from the chassis and the axle.
3. Replace with a new control arm or bushings and reattach, tightening to specification.