Repairing the air suspension on a Mitsubishi L200 involves several steps, including diagnosing the issue, gathering necessary tools and parts, and performing the repair. click here for more details on the download manual…..

KYB MITSUBISHI L200 Pickup Front Video showing correct fitment of shock absorbers, coil springs and mounting kits to the front of Mitsubishi L200 Pickup (10.06-).

old L200, in some countries this would have been thrown away at junkyard

Below is a detailed description of how to repair the air suspension system, including all components involved.

### Overview of Air Suspension System
The air suspension system in a Mitsubishi L200 typically includes the following components:

1. **Air spring Bags**: These are rubber bladders that inflate with air to provide a cushioned ride.
2. **Compressor**: This pump is responsible for supplying air to the air spring bags.
3. **Air Lines**: Tubing that carries air from the compressor to the air springs.
4. **Height Sensors**: These sensors monitor the vehicle’s height and adjust the air pressure accordingly.
5. **ECU (Electronic Control Unit)**: This unit controls the compressor and the air suspension system based on the readings from the height sensors.
6. **Relief Valve**: This valve releases air from the system to prevent over-inflation.
7. **Fittings and Connectors**: Various fittings connect the air lines and components.

### Tools and Materials Required
– **Basic Hand Tools**: Wrenches, sockets, screwdrivers, pliers
– **Jack and Jack Stands**: For lifting the vehicle safely
– **Air Compressor**: If needed for inflating the bags
– **Replacement Parts**: Such as air springs, compressor, sensors, or air lines
– **Sealant and Tapes**: For any leaks
– **Multimeter**: For electrical diagnostics
– **OBD-II Scanner**: For diagnosing electronic issues

### Step-by-Step Repair Process

#### 1. Diagnosis
– **Visual Inspection**: Check for visible damage to air springs, air lines, and the compressor.
– **Listen for Leaks**: Inflate the air springs and listen for hissing sounds indicating leaks.
– **Check Height Sensors**: Ensure they are correctly mounted and functioning.
– **Connect OBD-II Scanner**: Scan for any fault codes related to the air suspension system.

#### 2. Lifting the Vehicle
– **Park on a Flat Surface**: Ensure the vehicle is on a stable surface.
– **Use a Jack**: Lift the vehicle and secure it with jack stands to prevent any accidents.

#### 3. removing Damaged Components
– **Air spring Bags**:
– Disconnect the air lines from the air spring using appropriate wrenches.
– Remove the retaining bolts and lift the air spring out.

– **Compressor**:
– Disconnect the electrical connector from the compressor.
– Remove any mounting bolts and take the compressor out.

– **Air Lines**:
– Trace the air lines to find any damages or leaks.
– Cut the affected sections If necessary and replace with new lines.

– **Height Sensors**:
– Disconnect the wiring harness.
– Remove the mounting bolts to take out the sensor.

#### 4. Installing New Components
– **Install Air spring Bags**:
– Position the new air spring in place.
– Secure it with bolts and reconnect the air lines.

– **Install Compressor**:
– Mount the new compressor in the original position.
– Reconnect the electrical connector and air lines.

– **Install New Air Lines**:
– Route the new air lines carefully to avoid kinking and secure them with clips.

– **Install Height Sensors**:
– Position the new height sensor in place and secure it with bolts.
– Reconnect the wiring harness.

#### 5. System Reassembly
– **Reconnect the Battery**: If you disconnected it for safety.
– **Check All Connections**: Ensure all air lines, electrical connectors, and bolts are tightened.

#### 6. Testing the System
– **Start the Vehicle**: Turn on the ignition and listen for the compressor to engage.
– **Check for Leaks**: Use a soap solution on fittings to check for air leaks.
– **Monitor Height Sensors**: Ensure the vehicle adjusts to the correct height when loaded and unloaded.
– **Take a Test Drive**: Drive the vehicle to ensure the air suspension is functioning correctly.

#### 7. Final Checks
– **Inspect for Any Fault Codes**: Use the OBD-II scanner to check for any remaining errors.
– **Recheck All Connections**: After the test drive, double-check all fittings and connections for any looseness.

### Conclusion
Repairing the air suspension on a Mitsubishi L200 requires careful attention to detail and a methodical approach. Always ensure safety by working on a stable vehicle and using appropriate tools. If you’re not comfortable performing the repair yourself, consider consulting a professional mechanic.
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