If the hose is connects the air conditioning evaporator, receiver/drier, and bottom connection of the condenser, It is the liquid A/C hose, the hose size is #6 5/16, the small hose in the car air conditioning system.

There are a few common signs that may indicate you have a power steering hose leak in your Tacoma. These include a noticeable decrease in power steering fluid levels, difficulty steering the vehicle, a whining noise when turning the steering wheel, or visible leaks under the vehicle. If you notice any of these signs, it is important to have your vehicle inspected by a professional as soon as possible.