The air flow controller does not switch from cold air to warm air. Why?

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The heat is on but only cold air is coming from the floor vents. Both supply and return heater hoses are warm so the water flow to the heater core is fine. It appears the damper / diverter is stuck. I live in Arizona so it hasn't been asked to move since February.

Buddy1201 in Queen Creek AZ

Oct 8, 2011

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What are the best Nissan repair shops?

RepairPal Certified shops can diagnose and repair your 2001 Nissan Pathfinder. 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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The air flow controller does not switch from cold air to warm air. Why?

What is your question?

Buddy1201 in Queen Creek AZ

Oct 8, 2011

1 Reply

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dale45on Oct 10, 2011

If it has electronic a/c, may have a bad blend door motor. If manual a/c, may have a cable that has fallen off or broken

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Popular Answer

What are the best Nissan repair shops?

RepairPal Certified shops can diagnose and repair your 2001 Nissan Pathfinder. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.