Here's why:
* Original Design: The Metro was designed from the ground up as a lightweight, fuel-efficient car without power steering. Installing it would require significant modifications to the steering system, suspension, and potentially the engine.
* Space Constraints: The engine bay and undercarriage of the Metro are quite cramped. There may not be enough space to accommodate the pump, reservoir, and other components required for power steering.
* Engineering Challenges: The Metro's steering system is designed for manual steering. Altering it to accommodate power steering could lead to unexpected handling issues, instability, or even safety risks.
* Cost and Complexity: The cost of retrofitting power steering to a car that wasn't originally designed for it would be substantial, potentially exceeding the value of the vehicle. The complexity of the conversion would also require specialized knowledge and expertise.
Instead of installing power steering, you might consider:
* Replacing the steering rack: If the steering feels overly stiff, worn, or difficult to turn, replacing the steering rack with a newer, more responsive unit could make it feel easier to steer.
* Adjusting tire pressure: Proper tire pressure can significantly impact steering effort. Check and adjust to the manufacturer's recommended pressure.
* Using a steering wheel cover: A thicker steering wheel cover can provide a more comfortable grip and reduce the effort needed to turn the wheel.
Remember, safety comes first. If you're concerned about the steering in your Metro, consult with a qualified mechanic to assess the situation and recommend the most appropriate solution.