1. Park and Prepare the Vehicle:
- Park the vehicle on a level surface, apply the parking brake, and turn off the engine.
- Ensure that the air tanks are fully depleted by applying and releasing the brakes several times.
2. Locate the Air Compressor:
- The air compressor is typically mounted on the engine block near the front of the vehicle.
3. Disconnect Air Lines:
- Disconnect the air lines connected to the compressor. Make note of where each line goes for reinstallation later.
- Plug or cap the air lines to prevent dirt or debris from entering the system.
4. Remove Mounting Bolts:
- Locate and remove the bolts securing the air compressor to the engine block.
5. Remove Compressor:
- Carefully remove the air compressor from its mounting brackets.
6. Replace Gasket:
- Before installing the new compressor, replace the gasket between the compressor and the engine block if necessary.
7. Install New Compressor:
- Position the new air compressor in place and secure it with the mounting bolts.
8. Reconnect Air Lines:
- Reconnect the air lines to the compressor as per your earlier notes.
9. Fill Air Tanks:
- Start the engine and allow the air tanks to fill to the recommended pressure.
10. Check for Leaks:
- Check all air lines and connections for any leaks. Tighten or replace any loose or damaged parts as needed.
11. Test Air Brakes:
- Test the air brakes to ensure proper operation and pressure build-up.
12. Clean Up:
- Clean up any spilled fluids or debris from the work area.
Note:
- Before beginning any work, refer to the vehicle's service manual for specific instructions and safety guidelines for your International 7400 model.
- If you're not comfortable performing this repair yourself, it's best to consult a qualified mechanic.
