There is not an expansion valve on a 1993 Surburban. There is an orfice tube (white) in the high side line of the evaporator.
Located on the lower tube of the condensor, behind the grill on the passenger side.
If 1993 suburban rear ac not cold how can check the expansion valve?
The front expansion valve is clogged.
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.
In the rear of the vehicle attached to the rear evaporator, you will need to remove the complete assembly to replace the expansion valve......
how do I replace the AC expansion valve on a Mercedes C280 sedan. location and procedure
for a 86-1/2 to 92 supra, the expansion valve is located in the evaporator case. mike b.
YOU MUST REMOVE THE EVAPERATOR CASE FROM INSIDE THE TRUCK ON THE PASSENGER SIDE AND YOU WILL SEE THE EXPANSION VALVE.
The 1999 Chevrolet Suburban 1500 5.7 liter V-8 air check valve can be found on the firewall in the engine compartment. The air check valve will be on the drivers side of the firewall.
In the ac box
It is located inside the evaporator case.