The expansion valve on a 1998 Infiniti QX4 is typically located in the engine compartment, near the evaporator core. It is usually positioned within the air conditioning system's refrigerant line, often mounted on the firewall or close to the evaporator housing. For precise identification, it's advisable to refer to the vehicle's service manual or diagrams.
It is located inside the evaporator case.
The 98 Blazer doesn't have a Thermal Expansion Valve... it has a fixed orifice tube.
The expansion valve, on your 1998 Honda Accord, is located just before the thermostat housing. You can follow the water hose from the radiator to the expansion valve.
The ac system on a Ram doesn't use an expansion valve. It uses a fixed orifice system.
There is no expansion valve. There is an orifice tue. It is located in the inlet tube of the evaporator core.
You don't have a heater control valve for this truck.......
To replace the expansion valve on a 1998 Subaru Outback, first, ensure the A/C system is fully discharged by a professional to avoid refrigerant exposure. Remove the dashboard or center console components as necessary to access the A/C evaporator. Disconnect the refrigerant lines from the expansion valve, unbolt the valve from its housing, and replace it with the new one. Finally, reassemble all components and recharge the A/C system.
Inside evaparator case under the passanger side dash
On the valve body inside the transmission.
The "Related Question" below is an extensive discussion on the 1999-2003 temperature control valve / heater control valve. It is likely the information will be similar to the 1997 / 1998 Windstar
Next to the power steering pump
top moter behind throtlebody