how to fix AC not blowing cold in Honda Accord 9th Generation (2013-2017) in summer?

Honda Accord Eleventh Generation (2023-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

4 min read

608 words

Problem Statement

Learn how to diagnose and fix AC not blowing cold in Honda Accord 9th Generation (2013-2017). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

HVAC

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical components.
•Wear safety goggles and gloves when handling refrigerants.

Symptoms

•AC blows warm air instead of cold
•AC compressor not engaging
•Unpleasant odors coming from vents
•Reduced airflow from vents
•"Check Engine" or "AC" warning light illuminated

Diagnostic Steps

1
Check the refrigerant levels using a refrigerant gauge to see if it’s low.
2
Inspect the AC compressor for any signs of damage or wear.
3
Examine the AC relay and fuse for continuity.
4
Use an OBD-II scanner to check for any error codes related to the AC system.
5
Check for leaks in the AC system using UV dye or a leak detection kit.
6
Inspect the cabin air filter for clogs or restrictions.

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

•Refrigerant gauge
•Refrigerant canister
•Safety goggles
•Gloves
•Socket set
•Torque wrench
•Belt tensioner tool

Parts Required

•AC compressor (if necessary)
•Cabin air filter (if necessary)
•Refrigerant

Related Faults

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Diagnostic Steps

1
Check the refrigerant levels using a refrigerant gauge to see if it’s low.
2
Inspect the AC compressor for any signs of damage or wear.
3
Examine the AC relay and fuse for continuity.
4
Use an OBD-II scanner to check for any error codes related to the AC system.
5
Check for leaks in the AC system using UV dye or a leak detection kit.
6
Inspect the cabin air filter for clogs or restrictions.

Solution

1. Preparation

Gather tools and parts needed for the repair.
Ensure the vehicle is parked on a level surface with the engine off.
Disconnect the battery to avoid electrical shock.

2. Check and Recharge Refrigerant

Tools Required: Refrigerant gauge, refrigerant canister, safety goggles, gloves
Sub-steps:
1. Attach the refrigerant gauge to the low-pressure service port of the AC system.
2. Check the pressure readings; if they are low, proceed to recharge.
3. Start the engine and turn the AC to maximum setting.
4. Slowly add refrigerant until the correct pressure is reached, following the manufacturer's specifications.
5. Disconnect the gauge and ensure no leaks are present at the service port.

3. Inspect and Replace AC Compressor (if necessary)

Tools Required: Socket set, torque wrench, AC compressor replacement
Sub-steps:
1. Remove the drive belt from the AC compressor by releasing the tension using a belt tensioner tool.
2. Disconnect electrical connectors and refrigerant lines from the AC compressor.
3. Remove the mounting bolts and take out the old compressor.
4. Install the new compressor, ensuring it is securely mounted.
5. Reconnect the refrigerant lines and electrical connectors.
6. Reinstall the drive belt, ensuring proper tension.

4. Replace Cabin Air Filter (if necessary)

Tools Required: None
Sub-steps:
1. Locate the cabin air filter access panel, usually found behind the glove box.
2. Open the glove box and remove any contents.
3. Remove the clips or screws securing the access panel and take it off.
4. Slide out the old cabin air filter and replace it with a new one, ensuring proper orientation.
5. Reattach the access panel and return the glove box to its original position.