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why does my Ford Explorer Fifth Generation (2011-2019) AC only blow warm air - Ford Explorer
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why does my Ford Explorer Fifth Generation (2011-2019) AC only blow warm air

Ford Explorer Fifth Generation (2011-2019)

Error Codes
2-4 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
521 words

Problem Statement

Complete guide to fixing AC that blows warm air in Ford Explorer 2011-2019. Includes symptoms, diagnostic steps, tools required, and repair procedures.

Affected Component
HVAC
Estimated Time
2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Always wear safety goggles and gloves when working with refrigerants.
  • •Disconnect the battery before working on electrical systems.

Symptoms

  • •AC system blowing warm air
  • •AC compressor not engaging
  • •Unusual noises from the AC system (e.g., clicking, hissing)
  • •"Check AC" warning light illuminated on the dashboard
  • •Reduced airflow from AC vents

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

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

  • •AC pressure gauge
  • •AC refrigerant canister
  • •Hose
  • •Socket set
  • •Torque wrench
  • •Multimeter

Parts Required

  • •AC refrigerant
  • •AC compressor (if needed)
  • •Cabin air filter (if dirty)

Additional Information

Affected Component
HVAC
Estimated Time
2-4 hours
Difficulty
medium
Severity
medium
Tools Required
6 items
Parts Required
3 items

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Solution
1. Preparation
  • Gather tools and parts required for the repair.
  • 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 Refrigerant Level
  • Tools Required: AC pressure gauge.
  • Connect the pressure gauge to the low-pressure service port.
  • Sub-steps:
    • Read the pressure level on the gauge.
    • If the refrigerant level is low, proceed to recharge the system.
3. Recharge AC System
  • Tools Required: AC refrigerant canister, hose, pressure gauge.
  • Sub-steps:
    • Connect the refrigerant hose to the low-pressure service port.
    • Open the valve on the refrigerant canister and allow refrigerant to flow until the correct pressure is reached.
    • Disconnect the hose and ensure no leaks are present.
4. Inspect and Replace AC Compressor
  • Tools Required: Socket set, torque wrench.
  • Sub-steps:
    • Remove any components obstructing access to the AC compressor.
    • Disconnect the electrical connector and refrigerant lines from the compressor.
    • Remove the mounting bolts and take out the old compressor.
    • Install the new compressor, torque the bolts to manufacturer specifications, and reconnect all lines.
5. Check Electrical Components
  • Tools Required: Multimeter.
  • Sub-steps:
    • Test the AC control module for power and ground signals.
    • Inspect the wiring harness for any signs of wear or damage.
    • Replace any faulty electrical components.