how to fix Honda Accord 9th Generation (2013-2017) AC compressor issues

Honda Accord 10th Generation (2018-2022)

Error Codes

4-8 hours

Time

hard

Difficulty

medium

Severity

3 min read

577 words

Problem Statement

Learn how to diagnose and fix AC compressor issues in Honda Accord 2013-2017. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

HVAC

Estimated Time

4-8 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow the system to depressurize and ensure refrigerant is properly recovered before handling.

Symptoms

•AC not blowing cold air
•Unusual noises from the compressor (e.g., grinding or hissing sounds)
•AC clutch not engaging
•Visible refrigerant leaks around the compressor
•Increased engine temperature due to compressor strain
•Check engine light illuminated (indicating potential AC system faults)

Diagnostic Steps

1
Inspect the AC system for visible refrigerant leaks.
2
Check the AC compressor clutch for engagement while the AC is turned on.
3
Use an OBD-II scanner to check for any related error codes.
4
Measure the refrigerant level using a manifold gauge set.
5
Test the AC relay and fuse for continuity.
6
Inspect electrical connections to the compressor for damage or corrosion.

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

•OBD-II scanner
•Manifold gauge set
•Multimeter
•Wrench set
•Socket set
•Torque wrench
•Screwdrivers

Parts Required

•New AC compressor
•Receiver/drier
•Expansion valve
•O-rings

Related Faults

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Symptoms

•AC not blowing cold air

•Unusual noises from the compressor (e.g., grinding or hissing sounds)

•AC clutch not engaging

•Visible refrigerant leaks around the compressor

•Increased engine temperature due to compressor strain

•Check engine light illuminated (indicating potential AC system faults)

Diagnostic Steps

1
Inspect the AC system for visible refrigerant leaks.
2
Check the AC compressor clutch for engagement while the AC is turned on.
3
Use an OBD-II scanner to check for any related error codes.
4
Measure the refrigerant level using a manifold gauge set.
5
Test the AC relay and fuse for continuity.
6
Inspect electrical connections to the compressor for damage or corrosion.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the vehicle's battery to ensure safety.

Tools Required:

OBD-II scanner
Manifold gauge set
Multimeter
Wrench set
Socket set
Torque wrench
Screwdrivers

2. Recover Refrigerant

Sub-steps:
1. Connect the manifold gauge set to the AC service ports.
2. Use a refrigerant recovery machine to recover the refrigerant from the system.
3. Ensure proper disposal of the recovered refrigerant.

3. Remove AC Compressor

Sub-steps:
1. Remove any obstructing components (such as the air intake duct) to access the compressor.
2. Disconnect the electrical connector from the AC compressor.
3. Remove the compressor mounting bolts using a socket set.
4. Carefully detach the compressor from the mounting bracket and remove it from the engine bay.

4. Inspect and Replace Components

Sub-steps:
1. Inspect the compressor for signs of internal damage or wear.
2. Check the AC clutch for damage; replace it if necessary.
3. Replace the receiver/drier and expansion valve if the compressor was damaged.
4. Ensure all O-rings are replaced during reinstallation.

5. Install New AC Compressor

Sub-steps:
1. Position the new or rebuilt compressor into place.
2. Tighten the mounting bolts to the manufacturer’s specified torque (typically around 15-20 ft-lbs).
3. Reconnect the electrical connector to the compressor.

6. Recharge AC System

Sub-steps:
1. Connect the manifold gauge set to the AC service ports.
2. Introduce the recommended amount of refrigerant (typically R-134a) into the system.
3. Start the engine and turn on the AC to check for proper pressure readings on the gauges.