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Home/Cars/Ford/Explorer/Sixth Generation (2020-present)/my Ford Explorer's AC stopped blowing cold air what can I check

my Ford Explorer's AC stopped blowing cold air what can I check

Ford Explorer Sixth Generation (2020-present)

Severity: mediumDifficulty: medium1-3 hours
3 min read
523 words

Problem Statement

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

Component
HVAC
Repair Time
1-3 hours

Safety Warnings

  • ⚠Disconnect the battery before working on electrical systems.
  • ⚠Wear safety glasses and gloves when handling refrigerants.

Symptoms

  • •AC blows warm air instead of cold
  • •Strange noises from the AC compressor
  • •AC compressor not engaging
  • •Visible refrigerant leakage
  • •Weak airflow from the vents

Diagnostic Steps

  1. 1Check the AC system settings to ensure it is set to maximum cooling.
  2. 2Inspect the refrigerant level using a manifold gauge set.
  3. 3Listen for the AC compressor engagement while the AC is on.
  4. 4Examine the AC compressor for any signs of damage or leaks.
  5. 5Check the cabin air filter for clogs that could restrict airflow.
  6. 6Use a multimeter to test the AC system electrical components.

Solution

Solution

1. Preparation

  • Gather tools: manifold gauge set, multimeter, basic hand tools.
  • Ensure the vehicle is parked on a level surface and the engine is off.
  • Disconnect the battery to ensure safety while working on electrical components.

2. Check and Recharge Refrigerant

  1. Connect Manifold Gauges: Attach the low and high-pressure hoses to the AC service ports.
  2. Read Pressures: Start the engine and turn on the AC to check the pressure readings. Low pressure may indicate low refrigerant.
  3. Recharge System: If refrigerant is low, connect a refrigerant canister to the low-pressure hose and add refrigerant according to the manufacturer's specifications.
  4. Monitor Pressure: Watch the gauge to ensure it reaches the recommended pressure.

3. Inspect AC Compressor

  1. Locate the Compressor: Find the AC compressor in the engine bay.
  2. Check Connections: Inspect the electrical connector for corrosion or loose connections.
  3. Test Compressor Function: Use the multimeter to check the voltage at the compressor connector while the AC is running.
  4. Replace if Necessary: If the compressor does not engage or shows signs of failure, replace it with a new unit.

4. Replace Cabin Air Filter

  1. Locate the Filter: Find the cabin air filter compartment, usually behind the glove box.
  2. Remove the Glove Box: Open the glove box and remove it by detaching the stops or screws.
  3. Replace Filter: Take out the old cabin air filter and install a new one, ensuring proper orientation.

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
  • Multimeter
  • Basic hand tools

Parts Required

  • Refrigerant
  • Cabin air filter
  • AC compressor

Additional Information

Component

HVAC

Repair Time

1-3 hours

Difficulty

medium

Severity

medium

Tools

3 items

Parts

3 items

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