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#1
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AC Problem
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2005 X5 E53, 167k Miles: Kenwood DNX893S Head Unit, Mud Flaps (Rear Only) , Rim Shopping(WIP), Full Spectrum RGB Halos, |
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#2
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Does the aux fan ever come on? AC when the car is moving but no ac (warm air blowing out of the vent) when the car is stationary points to a Aux fan that is not turning on.
No air movement from the vents means a bad blower motor. It may turn on depending on where the brushes are in contact with the commentator of the motor. Good Luck trying to fix that.
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2006 Infiniti G35 2001 BMW 3.0I E53 X5 Build date 08/2000 SOLD Lotus Europa 1970 Destroyed by fire Lotus Europa 1970 S2 Renault Powered Lotus Type 52 1970 Twincam Webers Powered PORSCHE 911 Targa 1982 The Garage Queen Audi Avant donated to Kars for Kids BMW 525IT Sold Audi 4000CS Quattro Sold Jensen Healey Lotus Powered Sold Opel 1900 Sold Triumph Spitfire 1971 Sold Triumph Spitfire 1968 Sold Plymouth "Cuda" 340 Six pack SOLD |
#3
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Well when I'm not moving there is no air at all, warm or cool. Air just stops flowing. Where is the Aux fan located or what should I check just to be sure?
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2005 X5 E53, 167k Miles: Kenwood DNX893S Head Unit, Mud Flaps (Rear Only) , Rim Shopping(WIP), Full Spectrum RGB Halos, |
#4
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Aux fan is located in front of the radiator. The fan that pushes air thru the evaporator coil is located behind the dash in a box-like structure.
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2006 Infiniti G35 2001 BMW 3.0I E53 X5 Build date 08/2000 SOLD Lotus Europa 1970 Destroyed by fire Lotus Europa 1970 S2 Renault Powered Lotus Type 52 1970 Twincam Webers Powered PORSCHE 911 Targa 1982 The Garage Queen Audi Avant donated to Kars for Kids BMW 525IT Sold Audi 4000CS Quattro Sold Jensen Healey Lotus Powered Sold Opel 1900 Sold Triumph Spitfire 1971 Sold Triumph Spitfire 1968 Sold Plymouth "Cuda" 340 Six pack SOLD |
#5
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Does the dash have to come out to check the latter of the two?
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2005 X5 E53, 167k Miles: Kenwood DNX893S Head Unit, Mud Flaps (Rear Only) , Rim Shopping(WIP), Full Spectrum RGB Halos, |
#6
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A video is worth a million words according to Confucius.
https://www.youtube.com/watch?v=St_S1xFv-mU
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2006 Infiniti G35 2001 BMW 3.0I E53 X5 Build date 08/2000 SOLD Lotus Europa 1970 Destroyed by fire Lotus Europa 1970 S2 Renault Powered Lotus Type 52 1970 Twincam Webers Powered PORSCHE 911 Targa 1982 The Garage Queen Audi Avant donated to Kars for Kids BMW 525IT Sold Audi 4000CS Quattro Sold Jensen Healey Lotus Powered Sold Opel 1900 Sold Triumph Spitfire 1971 Sold Triumph Spitfire 1968 Sold Plymouth "Cuda" 340 Six pack SOLD |
#7
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Sounds like it might be the blower motor resistor. Sometimes the fan won't work on low speeds but does on high.
https://www.youtube.com/watch?v=7_D-Ki_Kk2k
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X5 4.6 2002 Black Sap, Black interior. 2013 X5M Melbourne Red, Bamboo interior Dallas |
#8
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Quote:
So after thinking about it, I’m not sure the blower runs at all. If the blower motor wasn’t working would cold air still enter the cabin through the vents, being pushed by the aerodynamics? Sent from my iPhone using Xoutpost.com
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2005 X5 E53, 167k Miles: Kenwood DNX893S Head Unit, Mud Flaps (Rear Only) , Rim Shopping(WIP), Full Spectrum RGB Halos, |
#9
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The upper-right button on the environmental panel is a maximum fan speed setting for quickly clearing a fogged windscreen. Hit that - if it sounds like a hurricane in the car, the dash blower is working. It's pretty unmistakable....
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Wayne 2005 BMW X5 3.0d (b 02/05) 2001 BMW F650GS Dakar (b 06/01) |
#10
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Quote:
Yes when my FSR fully went out, there was no blower at all. However, heat or cold air would still push through the vents if the air recirculation was turned off and outside air was pushed through by the pressure created by velocity.
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02 BMW 5 Speed Supercharged Ethanol Burnin Meth Injected E53 |
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