Repairing the power steering system on a Daewoo Leganza can involve several components, as the system typically consists of the power steering pump, steering gear, hoses, and fluid reservoir. click here for more details on the download manual…..

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Below is a detailed explanation of how to approach a power steering repair, including descriptions of each component, symptoms of issues, necessary tools, and a step-by-step guide.

### Components of the Power Steering System

1. **Power Steering Pump**: This is a hydraulic pump that pressurizes the power steering fluid. It is usually mounted on the engine and driven by a belt. The pump pushes fluid to the steering gear.

2. **Steering Gear/Steering Rack**: This component converts the rotational motion of the steering wheel into the linear motion needed to turn the wheels. It often contains a rack and pinion mechanism.

3. **Power Steering Hoses**: These hoses transport fluid between the pump and the steering gear. there are typically a high-pressure hose (from the pump) and a low-pressure return hose.

4. **Power Steering Fluid Reservoir**: This holds the power steering fluid and ensures that the system has enough fluid for proper operation.

5. **Power Steering Fluid**: This is a specialized fluid that helps to transmit power and lubricate components within the system.

### Symptoms of Power Steering Issues

– Difficulty steering, especially at low speeds
– Whining or groaning noise when turning the steering wheel
– Fluid leaks under the vehicle
– Steering wheel feels stiff or unresponsive
– Warning light on the dashboard

### tools Needed

– Socket set and ratchet
– Wrenches (including adjustable)
– Screwdrivers (flathead and Phillips)
– Pliers
– Power steering fluid
– Fluid catch pan
– Jack and jack stands
– Safety goggles and gloves
– Torque wrench
– Repair manual for specifications and torque settings

### Step-by-Step Power Steering Repair

#### Step 1: Safety Preparation
1. Park the vehicle on a level surface and engage the parking brake.
2. Disconnect the negative battery terminal to prevent any electrical issues.
3. Wear safety goggles and gloves for protection.

#### Step 2: Inspect the System
1. **Visual Inspection**: Check the power steering fluid reservoir for fluid level and condition. Look for leaks around the pump, hoses, and steering gear.
2. **Check Fluid Level**: If low, top up with the manufacturer-recommended fluid and check for leaks again.

#### Step 3: Replace Power Steering Pump (if necessary)
1. **Remove the Serpentine Belt**: Use a socket and ratchet to loosen the tensioner and slide the belt off the pump pulley.
2. **Disconnect Hoses**: Use wrenches to remove the high-pressure and low-pressure hoses from the pump. Expect some fluid to spill; use a catch pan.
3. **Remove the Pump**: Unbolt the pump from its mounting using a socket. Carefully pull the pump out of the engine bay.
4. **Install New Pump**: Position the new pump in place, bolt it down, and reconnect the hoses. Ensure they are tight to prevent leaks.
5. **Reinstall Serpentine Belt**: Route the belt back onto the pump pulley and tighten the tensioner.

#### Step 4: Replace Steering Gear (if necessary)
1. **Remove the Steering Column Connection**: Disconnect the intermediate shaft from the steering gear.
2. **Unbolt the Steering Gear**: Remove the bolts securing the steering gear to the vehicle’s subframe.
3. **Disconnect Hoses**: Remove the power steering hoses connected to the steering gear.
4. **Remove the Old Gear**: Carefully pull the steering gear out of the vehicle.
5. **Install New Steering Gear**: Position the new gear in place, bolt it down, and reconnect hoses and the intermediate shaft.

#### Step 5: Bleed the Power Steering System
1. **Fill Reservoir**: Fill the power steering fluid reservoir to the recommended level.
2. **Turn Steering Wheel**: With the engine off, turn the steering wheel from lock to lock several times to expel air from the system.
3. **Start the Engine**: Start the vehicle and allow it to idle. Check the fluid level and add more if necessary.
4. **Repeat Steering Wheel Movement**: Continue turning the steering wheel from lock to lock to further purge air, checking fluid levels periodically.

#### Step 6: final Checks
1. **Check for Leaks**: After bleeding, inspect all connections for leaks while the engine is running.
2. **Reconnect Battery**: Reconnect the negative battery terminal.
3. **Test Drive**: Take the vehicle for a test drive to ensure proper steering operation and monitor for any unusual sounds or issues.

### Conclusion
Repairing the power steering system on a Daewoo Leganza can be a manageable task with the right tools and knowledge. Always refer to the vehicle’s service manual for specific details regarding torque specifications and additional guidance. If the issues persist after repairs, it may be necessary to consult with a professional mechanic.
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