my Honda CR-V AC is not blowing cold air anymore what could be wrong

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a flat surface and the engine is off.
• Disconnect the battery for safety.

2. Check and Recharge Refrigerant

• Sub-steps:
  1. Attach a refrigerant gauge to the low-pressure service port.
  2. Read the pressure levels; if low, proceed to recharge.
  3. Use a refrigerant canister with the appropriate type (R-134a or R-1234yf) and connect it to the low-pressure port.
  4. Open the canister valve and monitor the gauge until it reaches the manufacturer's specified level.

3. Inspect and Replace AC Compressor

• Sub-steps:
  1. Locate the AC compressor on the engine.
  2. Check for any visible damage or oil leaks around the compressor.
  3. If the compressor is faulty, disconnect the electrical connector and remove mounting bolts.
  4. Replace with a new compressor and reattach electrical connections and hoses.
  5. Ensure to use a torque wrench to tighten bolts to manufacturer specifications.

4. Clean or Replace Cabin Air Filter

• Sub-steps:
  1. Locate the cabin air filter housing (usually behind the glove box).
  2. Remove the glove box for easier access.
  3. Take out the old filter and inspect it for dirt and clogging.
  4. Install a new cabin air filter as per manufacturer specifications.

5. Reconnect Battery and Test System

• Sub-steps:
  1. Reconnect the battery terminals.
  2. Start the engine and turn on the AC to test functionality.
  3. Monitor for cold air and listen for any unusual sounds.