Airconditioning cold flat ground, hot uphill. Vacuum leak? Where is vacuum tube?

What is your question?

Seems like air diverter flap inside airconditioning unit slowly closes or opens as vacuum is depleted or restored. Where does the vacuum tube enter the unit? I can trace it back from there I think.

Conlee in Van Nuys CA

Aug 3, 2011

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What are the best GMC repair shops?

RepairPal Certified shops can diagnose and repair your 2003 GMC Savana 1500. 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?

Popular Answer

Airconditioning cold flat ground, hot uphill. Vacuum leak? Where is vacuum tube?

What is your question?

Seems like air diverter flap inside airconditioning unit slowly closes or opens as vacuum is depleted or restored. Where does the vacuum tube enter the unit? I can trace it back from there I think.

Conlee in Van Nuys CA

Aug 3, 2011

1 Reply

Popular Answer

Visitoron Aug 7, 2011

check your vacuum line connection and your pcv valve, both are located on and above the driver side head gasket. Remove the dog house at it is right there. Spend $20 and buy a Haynes Repair Manual - it's all right there in the book. Hope this helps.

Conleeon Aug 8, 2011

Thanks, best answer yet.

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Popular Answer

What are the best GMC repair shops?

RepairPal Certified shops can diagnose and repair your 2003 GMC Savana 1500. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.