my Ford Explorer Fifth Generation (2011-2019) AC blows warm air, what should I do?

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

531 words

Problem Statement

Learn how to diagnose and fix warm air blowing from A/C in Ford Explorer (2011-2019). 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.
•Allow the engine to cool before opening the hood to work on A/C components.

Symptoms

•A/C compressor not engaging
•Warm air blowing from vents
•A/C control lights malfunctioning
•Unusual noises from the A/C system
•Decreased airflow from vents
•A/C system cycling on and off frequently

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for any A/C system-related trouble codes.
2
Inspect the A/C refrigerant level using a manifold gauge set to determine if it is low.
3
Check for visible leaks in the A/C system components, including hoses and the condenser.
4
Test the A/C compressor clutch operation by applying direct voltage to the compressor.
5
Inspect the A/C condenser and evaporator for blockages or debris.
6
Verify the operation of the A/C control module and related fuses.

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
•Multimeter
•Socket set
•Screwdrivers

Parts Required

•Refrigerant
•A/C compressor (if needed)
•A/C condenser (if needed)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for any A/C system-related trouble codes.
2
Inspect the A/C refrigerant level using a manifold gauge set to determine if it is low.
3
Check for visible leaks in the A/C system components, including hoses and the condenser.
4
Test the A/C compressor clutch operation by applying direct voltage to the compressor.
5
Inspect the A/C condenser and evaporator for blockages or debris.
6
Verify the operation of the A/C control module and related fuses.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the vehicle’s battery to ensure safety while working on electrical components.

Tools Required:

OBD-II scanner
Manifold gauge set
Multimeter
Socket set
Screwdrivers

2. Recharge A/C System

Step 1: Connect the manifold gauge set to the low and high-pressure service ports of the A/C system.
Step 2: Check the pressure readings; if low, proceed to recharge the system.
Step 3: Attach the refrigerant canister to the manifold gauge and open the low-pressure valve to allow refrigerant into the system.
Step 4: Monitor the gauges while adding refrigerant until the system reaches the manufacturer's specified pressure.

3. Replace A/C Components (if necessary)

Step 1: If the compressor is faulty, remove it by disconnecting the electrical connector and the refrigerant lines (ensure no refrigerant is released during this process).
Step 2: Install the new A/C compressor and reconnect the refrigerant lines and electrical connector.
Step 3: If the condenser is clogged or leaking, remove it by disconnecting the hoses and mounting brackets, then install the new condenser.

4. Finalize and Test

Step 1: Reconnect the vehicle’s battery.
Step 2: Start the engine and turn on the A/C to maximum setting.
Step 3: Monitor the A/C system for proper operation, checking for cold air at the vents.