In the rear of the vehicle attached to the rear evaporator, you will need to remove the complete assembly to replace the expansion valve......
If 1993 suburban rear ac not cold how can check the expansion valve?
On a 1999 Ford Windstar, the expansion valve is located just inside the rear hatch of the rear panel on the driver's side. It is connected to the rear evaporator core.
Your rear ac expansion valve is located on the right rear inside your distribution assembly. You will have to remove the inner right side interior to get to it. It is encased inside the black assembly along with the heater core.
Try replacing your rear themostatic expansion valve. If it is plugged, refrigerant won't flow to the rear evaporator.
its an expansion valve and it is located in the black box ( in the rear unit)
Most likely the rear expansion tube or valve is defective.
The expansion valve is located on the rear evaporator core, typically in a casing located under one of the rear interior trim panels.
Possible blockage in the rear air units expansion valve. I just replaced mine for the same reason.
where is the pcv valve located on a 2001 chevy suburban It is stuck in a rubber hose and pushed into the top rear drivers side valve cover.
The 1999 Chevrolet suburban rear air-conditioning Freon capacity is five pounds. The manufacturer recommends that you never overfill the Freon capacity.
4.25 lbs
You will need to replace the rear expansion block valve and the recharge the system with freon and oil..............