About the only place the AC compressor will leak is around the seal. Seal leaks are typically caused when the shaft bearing starts to wear, resulting in a loose shaft. That ends up pounding hard on the seal and the seal will no longer be able to hold the pressures of the refrigerant. Bottom line, if the compressor is leaking, you'll need to replace it.
You can find the low pressure valve for your 1994 Pontiac Transport on the top of the air conditioner compressor. The low pressure valve will have a blue top.
May be coil pack
The 1998 Pontiac Transport evaporator drain hose can be found on the bottom of the air conditioner compressor. The evaporator drain hose routes water to the bottom of the engine compartment.
yes it does, access is in the rear hatch portion drivers side compartment on the side
When I bought my 1998 Pontiac it came with a kit that had the hoses. On left side of van by the lift gate is a panel cover. Take it off & insert the hose. The compressor should work. At least that's how mine works.
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You can find and air compressor for your 1997 Pontiac Grand Am at most auto-parts stores. The air compressor will connect to any of your auxiliary power sources.
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