what could be causing my Honda Accord’s AC to blow hot air?

Solution

1. Preparation

• Gather tools and materials needed for the repair.
• Disconnect the battery to prevent electrical shock.

Tools Required:

• OBD-II scanner
• Manifold gauge set
• Socket set
• Screwdrivers
• Safety glasses
• Gloves

2. Check and Recharge Refrigerant

• Connect the manifold gauge set to the AC service ports.
• Check the low and high-pressure readings.
• If low, follow the manufacturer’s instructions to add refrigerant until proper levels are achieved.

3. Inspect and Replace AC Compressor

• Remove the drive belt from the AC compressor.
• Disconnect the electrical connections and refrigerant lines from the compressor.
• Unbolt the compressor from its mounting and remove it.
• Install the new compressor and reconnect the refrigerant lines and electrical connections.
• Reinstall the drive belt and ensure proper tension.

4. Replace Cabin Air Filter

• Locate the cabin air filter housing, usually behind the glove box.
• Remove the glove box to access the filter.
• Remove the old filter and install a new one, ensuring proper orientation.

5. Test AC System

• Reconnect the battery and start the engine.
• Turn on the AC and monitor for cold air from the vents.
• Check for any unusual noises or leaks around the AC components.