Ford Explorer Sixth Generation (2020-present) AC not blowing cold air

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

4 min read

612 words

Problem Statement

Learn how to diagnose and fix the AC not blowing cold air in a Ford Explorer (2020-present). 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 systems.
•Allow the engine to cool before working on any components.

Symptoms

•AC system is blowing warm air instead of cold
•Increased cabin humidity
•Unusual noises from the AC compressor
•AC control lights are functioning but no cold air is produced
•Foul odor when the AC is turned on

Diagnostic Steps

1
Check the AC refrigerant level using a pressure gauge to determine if it is low.
2
Inspect the AC compressor for any signs of damage or unusual noises during operation.
3
Examine the AC condenser for blockages or debris that might restrict airflow.
4
Use an OBD-II scanner to check for any related trouble codes that could indicate electronic malfunctions.
5
Inspect the AC relay and fuses to ensure they are functioning properly.
6
Check the cabin air filter for clogs that could impede airflow.

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

•AC refrigerant can
•Pressure gauge
•Socket set
•Torque wrench
•Soft brush
•Compressed air

Parts Required

•AC refrigerant
•AC compressor (if needed)
•AC condenser (if needed)
•Cabin air filter

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Diagnostic Steps

1
Check the AC refrigerant level using a pressure gauge to determine if it is low.
2
Inspect the AC compressor for any signs of damage or unusual noises during operation.
3
Examine the AC condenser for blockages or debris that might restrict airflow.
4
Use an OBD-II scanner to check for any related trouble codes that could indicate electronic malfunctions.
5
Inspect the AC relay and fuses to ensure they are functioning properly.
6
Check the cabin air filter for clogs that could impede airflow.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and the engine is off.
Disconnect the battery to ensure safety while working on electrical components.

2. Recharge the AC System

Tools Required: AC refrigerant can, pressure gauge
Locate the low-pressure service port on the AC system.
Attach the pressure gauge to the low-pressure service port.
If the pressure is low, follow the instructions on the refrigerant can to recharge the system, ensuring not to overfill.

3. Inspect and Replace the AC Compressor

Tools Required: Socket set, torque wrench
Remove the drive belt from the AC compressor.
Disconnect the electrical connector and refrigerant lines from the compressor.
Remove mounting bolts and carefully take out the old compressor.
Install the new compressor by reversing the removal steps, ensuring all connections are secure and properly torqued to manufacturer specifications.

4. Clean or Replace the AC Condenser

Tools Required: Soft brush, compressed air
Inspect the condenser for any debris or blockages.
Clean the condenser using a soft brush and compressed air to remove dirt and debris.
If damaged, replace the condenser by removing the mounting bolts and disconnecting the refrigerant lines.

5. Replace Cabin Air Filter

Tools Required: None
Locate the cabin air filter access panel, usually behind the glove compartment.
Remove the panel and take out the old filter.
Install the new cabin air filter, ensuring it is oriented correctly.