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

3 min read

553 words

Problem Statement

Learn how to diagnose and fix AC not blowing cold air in Ford Explorer (2020-present). Step-by-step guide with diagnostic procedures 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.
•Handle refrigerant with care and follow local regulations for disposal.

Symptoms

•AC compressor not engaging
•Warm air blowing from vents
•Unusual noises from the AC system (e.g., hissing, clicking)
•Ice buildup on the AC evaporator or lines
•AC system not cycling on and off properly

Diagnostic Steps

1
Inspect the AC system for visible leaks or damage to hoses and components.
2
Check the refrigerant levels using a manifold gauge set; ensure they are within specifications.
3
Use an OBD-II scanner to check for any error codes related to the AC system.
4
Verify the operation of the AC compressor by observing its engagement while the AC is turned on.
5
Test the AC control module and switches for proper function.
6
Inspect the cabin air filter for blockage or contamination.

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
•Socket set
•Torque wrench
•Refrigerant (R-134a)

Parts Required

•AC compressor (if replacement is needed)
•Refrigerant (R-134a)
•Cabin air filter (if replacement is needed)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Inspect the AC system for visible leaks or damage to hoses and components.
2
Check the refrigerant levels using a manifold gauge set; ensure they are within specifications.
3
Use an OBD-II scanner to check for any error codes related to the AC system.
4
Verify the operation of the AC compressor by observing its engagement while the AC is turned on.
5
Test the AC control module and switches for proper function.
6
Inspect the cabin air filter for blockage or contamination.

Solution

1. Preparation

Gather all necessary tools and parts.
Disconnect the vehicle's battery to avoid electrical issues.
Ensure the vehicle is parked on a level surface with the engine off and cooled down.

2. Check and Recharge Refrigerant

Use the manifold gauge set:
1. Connect the low-side and high-side gauges to the respective service ports.
2. Read the pressure levels to determine if they are low.
3. If levels are low, add refrigerant according to the manufacturer's specifications.
  - Use R-134a refrigerant for 2020-present Ford Explorer.
  - Fill until the low-side pressure reaches the recommended level (typically around 30-40 psi).

3. Inspect and Replace AC Components

If refrigerant levels are adequate but the AC still doesn't cool:
1. Locate the AC compressor and inspect the electrical connector and wiring for damage.
2. Test the compressor clutch for proper operation (it should engage when the AC is turned on).
3. If faulty, replace the AC compressor:
  - Remove the serpentine belt from the compressor.
  - Disconnect the electrical connector and refrigerant lines (using appropriate safety measures).
  - Unbolt the compressor from the mounting brackets and remove it.
  - Install the new compressor and reconnect all components, ensuring proper torque specifications are followed (usually around 20-30 ft-lbs for mounting bolts).

4. Test AC System

Reconnect the battery and start the engine.
Turn on the AC to verify proper operation; check for cold air and listen for abnormal noises.