Tech Area > General Buick Tech

A/C problems

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kjhansen:
Where is the POA valve located in the 87 TR? I think mine is malfunctioning or clogged.

ULYCYC:
They stopped using POA valves in the mid 70's. Do you mean expansion valve/orifice tube?

Steve Wood:
that's right.  Orifice tube is it

ULYCYC:
Good video to explain removal..

https://www.youtube.com/watch?v=QIf9FNwctSg

Steve Wood:
I have been fortunate with mine but both have been sitting for a long time without using the AC.  I bet I need one of those tools!  that's neat!

Also, I suspect any of our cars would benefit from a new condenser.  If the condenser does not pull the heat out of the freon, it ain't gonna cool very well

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