2004 Toyota Sienna AC blowing but not cooling...relays all working and have power to the compresser

Asked by ljanous Aug 19, 2015 at 02:38 PM about the 2004 Toyota Sienna 4 Dr XLE Limited AWD Passenger Van

Question type: Maintenance & Repair

blows...not cooling...have checked relays have power to compressor ....have checked to
see if it needs freon and it is ok   what else can I check?

2 Answers
90

choudek19 answered 9 years ago

Start with Freon that is the key to make it work! If its low it wont let it turn on.

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firebird338 answered 9 years ago

If freon level is ok sounds like the high/low pressure switch is sticking or bad. This switch is usually screwed into the side of the accumulator and has two wires going to it. Sometimes you can tap on switch and if compressor starts working the switch is bad.

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