1. First, you will need to locate the power steering pump and the steering gear on your 98 Chevy truck. The power steering pump is usually located near the front of the engine, while the steering gear is typically located on the driver's side of the vehicle.

When selecting a fire hose pipe coupling, it is important to consider factors such as the size and type of hose being used, the pressure at which the system will operate, and the specific requirements of the firefighting operation. Choosing the right coupling ensures a secure and reliable connection that can withstand the demands of firefighting operations.

Compatibility and Sizing: Ensure that the air conditioning hoses are compatible with the bus's air conditioning system and that they have the correct sizing and specifications. Using the wrong size or type of hose can lead to performance issues and refrigerant leaks.