how to fix the air conditioning not blowing cold in my Ford Explorer?

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

585 words

Problem Statement

Learn how to diagnose and fix the air conditioning not blowing cold in your 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 the battery before working on electrical components.
•Wear safety goggles and gloves when handling refrigerant and working on the AC system.

Symptoms

•No cold air from the vents
•Warm air blowing despite AC being on
•AC compressor not engaging
•Unusual noises from the AC system
•Increased humidity inside the vehicle
•"Check AC" or warning lights illuminated on the dashboard

Diagnostic Steps

1
Check the AC system pressure using a manifold gauge set to determine if refrigerant levels are low.
2
Inspect the AC compressor for signs of damage or wear, and confirm it engages when the AC is activated.
3
Examine the AC system's fuses to ensure none are blown.
4
Look for visible leaks or oil stains around AC lines and components.
5
Test the cabin air filter for clogs or restrictions.
6
Verify the operation of the AC control module and temperature settings.

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

•Manifold gauge set
•Refrigerant canister
•Safety goggles
•Gloves
•Socket set
•Screwdrivers

Parts Required

•Refrigerant
•Cabin air filter
•AC compressor (if faulty)
•Fuses (if blown)

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 low.
2
Inspect the AC compressor for signs of damage or wear, and confirm it engages when the AC is activated.
3
Examine the AC system's fuses to ensure none are blown.
4
Look for visible leaks or oil stains around AC lines and components.
5
Test the cabin air filter for clogs or restrictions.
6
Verify the operation of the AC control module and temperature settings.

Solution

1. Preparation

Ensure the vehicle is parked on a level surface and the engine is off.
Disconnect the negative battery terminal to prevent electrical shorts.

2. Recharge the AC System

Tools Required: Manifold gauge set, refrigerant canister, safety goggles, gloves.
Connect the manifold gauges to the low and high-pressure ports on the AC system.
Start the engine and turn the AC to the maximum setting, allowing it to run for a few minutes.
Check the pressure readings:
- If low, connect the refrigerant canister to the low-pressure port and add refrigerant as needed, following the manufacturer's specifications.
- Monitor the manifold gauge to avoid overcharging.

3. Inspect and Replace Components

Tools Required: Socket set, screwdrivers, replacement parts.
If the compressor is not engaging, check the electrical connections and replace the AC compressor if found faulty.
Replace any blown fuses related to the AC system.
If the cabin air filter is clogged, remove the filter cover and replace the filter with a new one.

4. Check for Leaks

Use an AC leak detection dye to identify leaks in the system if refrigerant levels are repeatedly low.
If leaks are detected, repair or replace the affected components (hoses, seals, or the condenser).

5. Reassemble and Test

Reconnect the negative battery terminal.
Start the vehicle and turn on the AC to the maximum setting.
Monitor the air temperature coming from the vents for improvement.