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

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

563 words

Problem Statement

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

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 performing any repairs related to the AC condenser or compressor.

Symptoms

•Warm air blowing from the vents
•AC compressor not engaging
•Unusual noises when the AC is turned on
•AC system cycling on and off rapidly
•Visible refrigerant leaks around AC components
•Poor air circulation from vents

Diagnostic Steps

1
Inspect the AC system for visible signs of refrigerant leaks.
2
Use an OBD-II scanner to check for any related error codes.
3
Check the AC compressor's electrical connections and fuses.
4
Measure the ambient air temperature at the AC vents with a thermometer.
5
Check the refrigerant level using a manifold gauge set.
6
Inspect the cabin air filter for clogs or restrictions.

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
•UV leak detection dye
•Refrigerant recovery machine
•Multimeter
•Standard toolset (sockets, wrenches, etc.)

Parts Required

•Refrigerant (R-134a)
•AC compressor (if faulty)
•AC hoses or seals (if leaking)

Related Faults

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Diagnostic Steps

1
Inspect the AC system for visible signs of refrigerant leaks.
2
Use an OBD-II scanner to check for any related error codes.
3
Check the AC compressor's electrical connections and fuses.
4
Measure the ambient air temperature at the AC vents with a thermometer.
5
Check the refrigerant level using a manifold gauge set.
6
Inspect the cabin air filter for clogs or restrictions.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a flat surface and the engine is off.
Disconnect the battery to prevent electrical shock.

2. Inspect and Repair Leaks

Tools Required: UV leak detection dye, leak detection flashlight, refrigerant recovery machine.
Add UV dye to the AC system if no leaks are visible.
Use a UV flashlight to inspect for dye leaks in hoses and connections.
Repair any leaks found by replacing faulty components (hoses, O-rings, or seals).

3. Recharge the AC System

Tools Required: Manifold gauge set, refrigerant canister (R-134a).
Connect the manifold gauge set to the low and high-pressure service ports.
Start the engine and turn the AC to maximum cooling.
Check the low and high-pressure readings; they should be within manufacturer specifications.
If the refrigerant level is low, slowly add refrigerant until the proper level is reached.

4. Test AC Components

Tools Required: Multimeter.
Check the AC compressor clutch for proper operation using a multimeter.
Test the AC relay and fuses for continuity and replace if necessary.
Inspect the AC condenser for obstructions; clean if needed.

5. Reassemble and Test

Reconnect the battery.
Start the vehicle and turn on the AC to the maximum setting.
Monitor the system for proper operation and ensure cold air is being produced.