fan blower works on defrost and floor but not on vents. tried AC and still not blowing through vents

Asked by Todd Dec 25, 2017 at 05:23 PM about the 2002 Dodge RAM 1500 SLT Quad Cab 4WD

Question type: Maintenance & Repair

1 Answer
4,650

jetjurnigan answered 6 years ago

Not an easy job, but doable. First and easiest, just replace the 1way valve on the intake to the HVAC system located on the passenger side of the engine. The other possibility is that the door actuators that switch between the vents and the defrost are broken. If the door actuator is busted it's a contortionists nightmare, but if it's the 1way valve, it's a 6-7 dollar fix. Youtube has some great vid's on this subject....hell, youtube should start a program for ASE certification lol!

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