how to fix the air conditioning compressor on Ford Explorer Fifth Generation (2011-2019)

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

550 words

Problem Statement

Step-by-step guide to diagnose and fix A/C compressor issues in Ford Explorer (2011-2019). Learn symptoms, diagnostic steps, 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 systems.
•Always recover refrigerant using a proper recovery machine to comply with environmental regulations.

Symptoms

•Air conditioning blowing warm air
•Unusual noises from the compressor area
•Compressor clutch not engaging
•Refrigerant leak noticeable around the compressor
•Check engine light illuminated

Diagnostic Steps

1
Scan the vehicle's onboard diagnostic system with an OBD-II scanner to check for any error codes related to the A/C system.
2
Inspect the A/C compressor visually for signs of damage, leaks, or corrosion.
3
Measure the refrigerant pressure using a manifold gauge to determine if levels are within specifications.
4
Check the electrical connections to the compressor, ensuring they are secure and free of corrosion.
5
Test the compressor clutch for proper operation using a multimeter.
6
Inspect the A/C relay and fuses for continuity and proper function.

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
•A/C refrigerant recovery machine
•Socket set
•Wrench set
•Multimeter
•Torque wrench
•Screwdriver set

Parts Required

•A/C compressor
•O-rings
•A/C accumulator/drier
•Refrigerant

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Diagnostic Steps

1
Scan the vehicle's onboard diagnostic system with an OBD-II scanner to check for any error codes related to the A/C system.
2
Inspect the A/C compressor visually for signs of damage, leaks, or corrosion.
3
Measure the refrigerant pressure using a manifold gauge to determine if levels are within specifications.
4
Check the electrical connections to the compressor, ensuring they are secure and free of corrosion.
5
Test the compressor clutch for proper operation using a multimeter.
6
Inspect the A/C relay and fuses for continuity and proper function.

Solution

1. Preparation

Gather all necessary tools and parts.
Disconnect the battery to ensure safety while working on electrical components.
Allow the engine to cool completely before starting repairs.

2. Remove the A/C Compressor

Tools Required: Socket set, wrench set, A/C refrigerant recovery machine, torque wrench, screwdriver.
Recover refrigerant using an A/C recovery machine to prevent environmental harm.
Disconnect the electrical connector from the compressor.
Remove the bolts securing the compressor to the engine mounting bracket using a socket wrench.
Carefully remove the compressor from the vehicle, taking care to avoid damaging surrounding components.

3. Inspect and Replace Components

Parts Required: New A/C compressor, O-rings, A/C accumulator/drier (if needed), refrigerant.
Inspect the A/C condenser and evaporator for blockages or damage; replace if necessary.
Replace O-rings at the compressor connection points to ensure a proper seal.
If the compressor is damaged, install the new compressor by reversing the removal steps.

4. Recharge the A/C System

Connect the A/C manifold gauge to the service ports on the new compressor.
Recharge the system with the appropriate amount of refrigerant as specified in the vehicle's service manual.
Start the engine and turn on the A/C to check for proper operation and listen for unusual noises.

5. Final Assembly

Reinstall any components that were removed for access (such as hoses, brackets, and covers).
Reconnect the battery and ensure all electrical connections are secure.