how to fix the AC not blowing cold air in 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

499 words

Problem Statement

Learn how to diagnose and fix the AC not blowing cold air in Ford Explorer (2011-2019). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

HVAC

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always wear safety goggles and gloves when handling refrigerants.
•Disconnect the battery before working on electrical components.
•Allow the engine to cool before accessing the AC compressor.

Symptoms

•AC compressor not engaging
•Warm air blowing from vents
•Unusual noises from the AC system
•AC clutch not cycling
•Foul odor from the AC vents

Diagnostic Steps

1
Check the AC system for error codes using an OBD-II scanner.
2
Inspect the AC refrigerant level using a pressure gauge.
3
Verify that the AC compressor clutch is engaging when the AC is turned on.
4
Examine the AC fuses and relays for continuity.
5
Check for leaks in the AC system using a UV dye or soapy water.
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
•AC pressure gauge set
•Refrigerant canister (R-134a)
•Screwdrivers
•Socket set
•Torque wrench

Parts Required

•Refrigerant (R-134a)
•Cabin air filter (if needed)
•AC compressor (if needed)

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Diagnostic Steps

1
Check the AC system for error codes using an OBD-II scanner.
2
Inspect the AC refrigerant level using a pressure gauge.
3
Verify that the AC compressor clutch is engaging when the AC is turned on.
4
Examine the AC fuses and relays for continuity.
5
Check for leaks in the AC system using a UV dye or soapy water.
6
Inspect the cabin air filter for clogs or restrictions.

Solution

1. Preparation

Gather tools and parts required for the repair.
Park the vehicle on a level surface and ensure the engine is off.
Disconnect the battery to prevent electrical shorts.

2. Recharge the AC System

Locate the AC service ports: Find the low-pressure and high-pressure service ports on the AC system.
Connect the refrigerant gauge: Attach the low-pressure side of the refrigerant gauge to the low-pressure service port.
Check refrigerant level: Read the gauge to determine if the system is low on refrigerant.
Add refrigerant: If low, follow the manufacturer's specifications to add refrigerant until the correct level is reached. Use R-134a refrigerant.
Remove the gauge: Disconnect the gauge and replace the service port cap.

3. Replace the Cabin Air Filter (if needed)

Locate the cabin air filter: Usually found behind the glove compartment.
Remove the glove compartment: Detach any clips or screws holding it in place and lower it.
Take out the old filter: Slide out the old cabin air filter.
Install the new filter: Ensure the filter is oriented correctly and slide it into place.
Reassemble the glove compartment: Reattach any clips or screws.

4. Inspect and Replace the AC Compressor (if necessary)

Inspect the AC compressor: Check for visible damage or leaks.
Disconnect electrical connectors: Unplug the wiring harness from the AC compressor.
Remove the compressor: Disconnect the AC lines (using proper tools) and unbolt the compressor from the engine.
Install the new compressor: Position the new compressor and secure it with bolts according to the manufacturer's torque specifications.
Reconnect AC lines and electrical connectors: Ensure all connections are tight and secure.

Tools Required:

OBD-II scanner
AC pressure gauge set
Refrigerant canister (R-134a)
Screwdrivers
Socket set
Torque wrench

Parts Required:

Refrigerant (R-134a)
Cabin air filter (if needed)
AC compressor (if needed)

Estimated Repair Time: 2-4 hours

Safety Warnings:

Always wear safety goggles and gloves when handling refrigerants.
Disconnect the battery before working on electrical components.
Allow the engine to cool before accessing the AC compressor.