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why does my Honda Accord have a burning smell when I use the AC - Honda Accord
Home/Cars/Honda/Accord/9th Generation (2013-2017)/why does my Honda Accord have a burning smell when I use the AC

why does my Honda Accord have a burning smell when I use the AC

Honda Accord 9th Generation (2013-2017)

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

Problem Statement

Learn how to diagnose and fix the burning smell when using AC in Honda Accord. 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 systems.
  • •Allow the engine to cool before working on the AC components.

Symptoms

  • •Burning smell when AC is activated
  • •AC not blowing cold air
  • •Strange noises from the AC unit
  • •High cabin humidity
  • •Increased engine temperature

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

  • •OBD-II scanner
  • •Multimeter
  • •Wrench set
  • •Refrigerant gauge set
  • •Screwdrivers

Parts Required

  • •AC compressor (if defective)
  • •AC belt
  • •Cabin air filter
  • •Refrigerant (as needed)

Additional Information

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

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Solution
1. Preparation
  • Gather all necessary tools and parts.
  • Disconnect the vehicle's battery to ensure safety while working on electrical components.
2. Inspect the AC Compressor
  • Locate the AC compressor, which is usually mounted on the front of the engine.
  • Visually check for oil leaks around the compressor.
  • Use a multimeter to test the compressor's electrical connections.
  • If the compressor is damaged, proceed to replace it.
3. Replace the AC Belt
  • Locate the serpentine belt tensioner.
  • Use a wrench to relieve tension on the belt, then remove the old belt.
  • Install a new AC belt, ensuring it is properly aligned on the pulleys.
  • Reapply tension using the tensioner and double-check alignment.
4. Check and Replace Cabin Air Filter
  • Open the glove compartment and remove it.
  • Locate the cabin air filter compartment and remove the old filter.
  • Install a new cabin air filter, ensuring it is oriented correctly.
  • Reassemble the glove compartment.
5. Recharge the AC System
  • Connect a refrigerant gauge set to the AC service ports (high and low).
  • If low on refrigerant, add the appropriate type of refrigerant as specified in the vehicle manual.
  • Monitor pressures to ensure they are within the normal range.
6. Reconnect Battery and Test
  • Reconnect the battery terminals.
  • Start the vehicle and turn on the AC to check for the burning smell and ensure proper operation.