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

589 words

Problem Statement

Learn how to diagnose and fix AC not blowing cold air in Ford Explorer. 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 battery before working on electrical systems.
•Wear safety goggles and gloves to protect from refrigerants and debris.
•Allow the engine to cool before working on the AC system components.

Symptoms

•AC compressor does not engage
•Warm air blowing from vents
•Unusual noises from the AC system
•AC refrigerant leak (evidence of oil or wet spots around fittings)
•AC control panel lights are functioning, but no cold air is produced

Diagnostic Steps

1
Check the AC system pressure using a manifold gauge set to determine if refrigerant levels are adequate.
2
Inspect the AC compressor for signs of damage or wear, and check if the clutch is engaging.
3
Verify the operation of the AC control module and any associated fuses or relays.
4
Examine the cabin air filter for clogs that might restrict airflow.
5
Inspect the condenser for physical damage or debris blocking airflow.
6
Use an OBD-II scanner to check for any fault codes related to the AC system.

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

•Wrench set
•Manifold gauge set
•OBD-II scanner
•Safety goggles
•Gloves

Parts Required

•AC compressor (if defective)
•Refrigerant (R-134a or R-1234yf)
•Cabin air filter (if clogged)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Check the AC system pressure using a manifold gauge set to determine if refrigerant levels are adequate.
2
Inspect the AC compressor for signs of damage or wear, and check if the clutch is engaging.
3
Verify the operation of the AC control module and any associated fuses or relays.
4
Examine the cabin air filter for clogs that might restrict airflow.
5
Inspect the condenser for physical damage or debris blocking airflow.
6
Use an OBD-II scanner to check for any fault codes related to the AC system.

Solution

1. Preparation

Tools Required: Wrench set, manifold gauge set, OBD-II scanner, safety goggles, gloves
Ensure the vehicle is parked on a level surface and the engine is off.
Disconnect the battery to prevent any electrical shorts during repairs.

2. Check and Recharge Refrigerant

Sub-steps:
1. Connect the manifold gauge set to the low and high-pressure service ports.
2. Read the pressure levels; if low, proceed to recharge the system.
3. Use the correct refrigerant (R-134a or R-1234yf as specified) and follow the manufacturer’s guidelines for filling.
4. Monitor the pressures while the AC is running to achieve the recommended levels.

3. Inspect and Replace AC Components

Sub-steps:
1. If the AC compressor is not engaging, check the electrical connections and fuses.
2. Replace the AC compressor if it is damaged or not functioning correctly, following these steps:
  - Remove the serpentine belt.
  - Disconnect electrical connectors and refrigerant lines.
  - Remove mounting bolts and take out the compressor.
  - Install the new compressor and reconnect all components, ensuring proper sealing.
3. If the cabin air filter is clogged, remove and replace it as follows:
  - Locate the cabin air filter compartment (usually behind the glove box).
  - Remove the cover and take out the old filter.
  - Insert the new filter, ensuring the airflow direction matches the markings.

4. Final System Check

Sub-steps:
1. Reconnect the battery and start the engine.
2. Run the AC at max settings and monitor for cold air output.
3. Check for any leaks around the compressor and fittings.