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08/09/2021 5:32 pm
Topic starter
Sienna 2008 here. When its very hot, I have to turn on both front and rear a/c on the lowest temp, fans full blowing to get it to give cool air. It usually takes 5-10 min. However, question is, why does front not give much cool air after turning off the rear? It seems having the rear on helps the front give cool air??
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08/09/2021 7:12 pm
That often happens as they age they both use the same compressor so it has nothing to do with that if you want to fix it it's kind of a pain in the ass you would have to remove the evaporator inside the dash in the front and replace the expansion valve and it's a rather expensive job I would just run the rear in the front all the time
