Heat and AC blow hot and cold but vents blows very little air. The fan works on all speeds.
It's not the vent doors. It's the blower motor or cabin air filter. Cars pull air from the outside. So stuff can be pulled into the air plenum and will reach the blower motor if the air filter is gone or broken because of being pulled down. I have cleaned blowers that were half full of leaves and twigs. Also have replace air filters that were totally clogged up. Start there.
I'm pretty sure it's not the blower motor you can hear the motor speeding up as you switching from low-to-high I'll try the cabin filter
It's not the motor is bad. It's because there is stuff in the blower cage causing a restriction in air flow.
Randy can you tell me where to look for the restriction in the air flow should I take the fan motor out and start there or what I can't find it air intake for the fan
By all means, start with the blower. Even if there isn't stuff in it. Put 12 volts to it(doesn't matter which way you hook the wires). It should turn fast and blow a lot of air.
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NO HEAT ON FLOOR VENTS
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As
per your problem mentioned. There are few solved help links to
troubleshoot these problems. Go through the list and Click the link below:----
http://whatisbyme.blogspot.in/2012/05/2000-toyota-avalon-no-heat-on-passenger.html
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http://schematicsdiagram.blogspot.in/2012/02/heater-blows-cold.html
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http://repairhelpcenter.blogspot.com/2012/01/hot-air-on-drivers-side-vents-only.html
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http://technoanswers.blogspot.in/2012/04/1992-toyota-camry-ac-control-light.html
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http://technoanswers.blogspot.in/2012/02/no-heatblower-blows-only-cold.html
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http://whoisbyme.blogspot.in/2012/06/2009-mercury-grand-marquis-ac-blows.html
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http://schematicsdiagram.blogspot.in/2012/04/ac-not-blowing-through-vents-on-2007.html
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http://schematicsdiagram.blogspot.in/2012/04/passenger-side-temperature-is-warm-air.html
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These
will help.
Thanks.
As
per your problem mentioned. There are few solved help links to
troubleshoot these problems. Go through the list and Click the link below:----
------------
------------
http://schematicsdiagram.blogspot.in/2012/02/heater-blows-cold.html
-----------
http://repairhelpcenter.blogspot.com/2012/01/hot-air-on-drivers-side-vents-only.html
--------------
-----------
http://technoanswers.blogspot.in/2012/04/1992-toyota-camry-ac-control-light.html
--------------
These will help.
Thanks.
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