I just bought an 85 lx hatchback, the ac blows moderately cool. Where is the low pressure check valve located? I want to add coolant and check pressure levels.

25

Asked by Jun 27, 2007 at 08:00 AM about the 1985 Ford Mustang LX

Question type: Maintenance & Repair

There is a check valve located right at the ac compressor were the main hose moves back towards the fire wall.  Is that the check and fill valve?  This cars got miles on it but it has had an extensive service then sat for a while before I bought it.  I think it is just low on 134a but want to be sure.

1 Answer

31,565

Not exactly sure where the valves are. You may want to get your hands on a Chilton or Haynes manual especially if you see yourself dealing with issues like this. It will have diagrams and instructions on how to do almost anything to your car.

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