A/c won't blow inside care, only through defrost. Where do I cnnect hose to blow

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Need to know where to connect host to get a/c to blow inside.

Jul 25, 2011

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RepairPal Certified shops can diagnose and repair your 1994 Cadillac DeVille. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What is your question?

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A/c won't blow inside care, only through defrost. Where do I cnnect hose to blow

What is your question?

Need to know where to connect host to get a/c to blow inside.

ggrice73 in Miami FL

Jul 25, 2011

3 Replies

Popular Answer

donaldautorepairon Jul 25, 2011

There probably is a vacuum leak causing the air to blow defrost only. The leak is usually under the hood and is a small hose.

Visitoron Jul 28, 2011

I had the same problem on a 97 STS. The system on my car works with 2 small rubber vacuum hoses connected near the air conditioner receiver/dryer to hard plastic tubes. The rubber vacuum hoses had dry rotted and were leaking. The 2 short rubber vacuum hoses go near the firewall and connect to a small diameter hard plastic tube that runs through the firewall to the control unit inside the dash... I replaced the 2 short rubber vacuum hoses and the air flows correctly.

philippeon Jul 30, 2011

make sure that you have vacum suplie from the engine to the hose that going in the a/c if not you may have a broking hose

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Popular Answer

What are the best Cadillac repair shops?

RepairPal Certified shops can diagnose and repair your 1994 Cadillac DeVille. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.