What you know about that ac not throwing air out of other vents

Asked by Valerie Apr 22, 2021 at 09:37 PM about the 1985 Chevrolet Impala Sedan RWD

Question type: Maintenance & Repair

I have a 1985 impala it only throws ac thru the top an
bottom  .... why does it not throw air the the other vents

1 Answer

155,265

When the system loses vacuum it defaults to defrost for safety reasons. Look for a disconnected or broken vacuum hose going to the firewall. It should be connected to the intake manifold. Hope that helps! Jim

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