air conditioning pressure valve replacement on 2004 Toyota Corolla

Will the system need to be vacuum pumped after the new valve is installed before I recharge with 34-a?

by in Steele, MO on April 14, 2009
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1 answer
ANSWER by , April 14, 2009
Unfortunately yes it will need to be evacuated, the switch replaced and then the system recharged with 134a refrigerant.