how to fix the air conditioning not blowing cold in Ford Explorer Fifth Generation (2011-2019)?

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

4 min read

608 words

Problem Statement

Learn how to diagnose and fix the air conditioning not blowing cold in Ford Explorer (2011-2019). Step-by-step guide with symptoms, tools, and procedures.

Affected Component

HVAC

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Always recover refrigerant properly to avoid environmental hazards.
•Allow the engine to cool before working on the A/C components.

Symptoms

•Air conditioning blows warm air
•Unusual noises from the A/C compressor
•A/C compressor not engaging
•Foul odor from vents when A/C is on
•A/C system cycles on and off frequently
•Poor airflow from vents

Diagnostic Steps

1
Check the A/C system fuse and relay for any signs of failure.
2
Use an OBD-II scanner to look for any related error codes.
3
Inspect the A/C compressor visually for any signs of damage or leaks.
4
Measure the refrigerant pressure using a manifold gauge set.
5
Check the cabin air filter for clogs or restrictions.
6
Examine the A/C condenser for debris or damage.

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
•Screwdriver set
•Socket set
•Wrenches

Parts Required

•Cabin air filter
•Refrigerant (R-134a)
•A/C compressor (if needed)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Check the A/C system fuse and relay for any signs of failure.
2
Use an OBD-II scanner to look for any related error codes.
3
Inspect the A/C compressor visually for any signs of damage or leaks.
4
Measure the refrigerant pressure using a manifold gauge set.
5
Check the cabin air filter for clogs or restrictions.
6
Examine the A/C condenser for debris or damage.

Solution

1. Preparation

Gather all necessary tools and parts.
Disconnect the battery to ensure safety during repair.
Ensure the vehicle is parked on a level surface and the engine is off.

2. Inspect and Replace Cabin Air Filter

Tools Required: Screwdriver, new cabin air filter.
Remove the glove compartment by unscrewing the screws or removing the clips.
Locate the cabin air filter cover and remove it.
Take out the old cabin air filter and inspect it for dirt and damage.
Install the new cabin air filter in the correct orientation.
Reassemble the glove compartment.

3. Check and Recharge Refrigerant

Tools Required: Manifold gauge set, refrigerant (R-134a).
Connect the manifold gauge set to the low-pressure and high-pressure ports of the A/C system.
Start the engine and turn the A/C to the maximum setting.
Measure the pressure readings. If the pressure is low, proceed to recharge:
- Add refrigerant slowly while monitoring the gauge until the correct pressure is reached (typically 30-40 psi on the low side).
Disconnect the manifold gauge set.

4. Inspect and Replace A/C Compressor (if necessary)

Tools Required: Socket set, wrenches, new A/C compressor.
Remove the serpentine belt by releasing tension from the tensioner pulley.
Disconnect the electrical connector from the A/C compressor.
Remove the refrigerant lines from the compressor (ensure you recover any refrigerant).
Unbolt the compressor from its mounting brackets and remove it.
Install the new compressor by reversing the removal steps.
Reconnect the refrigerant lines and electrical connector.

5. Test A/C System

Start the engine and turn on the A/C to the maximum setting.
Monitor the temperature of the air being blown from the vents.
Check for any leaks around the compressor and connections.