Question about 2001 Oldsmobile Alero

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The heater / air fan is working correctly however ther is no maximum flow of air either from the vents, defrost or to floor. The air condition is charged and tested.

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Check the heating switch sencor they normaly ware out and only work on low settings or 1 high setting

Posted on May 28, 2010

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1 Answer

There isn't any air flow coming out of the front vents when the air conditioning or heater is on. Only air coming from the defroster and floor vents.


There is a mode selector in the plenum that controls where the air comes out. That flap inside is either broken, loose or has a bad control.

Aug 20, 2015 | Cars & Trucks

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2005 Honda Accord Ex (4 Cyl.) - Heater Vent to Floor doesnt seem to work


You need to look under the dash there are plastic pipes going to those vents sounds like they are not properly connected

Jan 06, 2014 | Cars & Trucks

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Heater and Defroster not blowing air


check vent flaps inside the blower unit....

Nov 24, 2013 | 1996 Mitsubishi Mirage

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Heater not heating ? both hoses hot , fan works but no hot air ?


is the climate control switching over like from floor to defrost to vent ? maybe the flap door not working in heater box.both hoses are hot but is water flowing thru heater core.

Dec 26, 2010 | 1996 GMC Jimmy

1 Answer

Air flow out of A/C (HVAC) seems to be partially blocked. Noise increases with increased fan speed settings, but flow barely changes. Even on maximum setting the flow is not enough to reach driver or...


One of the Actuators for the doors inside your dash that controls and diverts air might not be working correctly. You may have to either replace the Actuator or Replace the A/C Heater Control. Your vehicle does not come with a Cabin Air Filter.

Jun 26, 2010 | 2004 Dodge Ram 2500

1 Answer

What is a blender/ it is suposed to a part of the heater area


The "blender" would refer to the blend actuators that change the flow of air from floor to vent to defrost or combinations. Properly working blend doors will allow you to direct air to the dash vents, the floor, the defroster, the floor and defroster or the floor and dash vents. If it is not working the heater will still work but you will hae no control oer where the air flows.

Dec 19, 2009 | 1999 Jeep Grand Cherokee

1 Answer

I have a dodge 600. when the heater is switched to defrost no air


check for any vaccum leaks, hoses leaking or unhooked, also may have a bad blend door motor. see if all other positions work like floor, vents, fresh air and recycle air. good luck.

Oct 14, 2009 | 1988 Dodge 600

1 Answer

2001 ford focus defroster blows out ac vents


may be just a cable adjustment.


SECTION 412-01: Air Distribution and Filtering 2001 Focus Workshop Manual DESCRIPTION AND OPERATION Air Distribution and Filtering The new heating and ventilation system ensures even air distribution.
The temperature control and air distribution flaps are controlled by two operating cables. All vehicles have a recirculated air function, with the flap controlled by a servo motor.
Air is supplied to the windscreen and side windows regardless of the air distribution setting.
The clean air filter is fitted as standard in most countries. This cleans the incoming fresh air of pollen and dirt particles. It must be renewed after every 40,000 km under normal operation conditions, or after 20,000 km under difficult conditions. If no clean air filter is installed, a plastic grille is fitted over the air intake. This can easily be replaced with a clean air filter.
Air distribution operating switch
Face level The main flow of air enters the passenger compartment at face level.
Face level/floor level The main flow of air enters the passenger compartment in equal parts at face level and floor level, and a small amount flows to the demister nozzles of the side windows.
Floor level The main flow of air enters the passenger compartment at floor level, and a smaller amount flows to the demister nozzles of the side windows.
Demist/floor level The main flow of air enters the passenger compartment in equal parts at the windscreen and at floor level, and a smaller amount flows to the demister nozzles of the side windows.
Demist The main flow of air enters the passenger compartment at the windscreen and a smaller amount flows to the demister nozzles of the side windows.
Air distribution operating switch Air distribution operating cables
NOTE: The Bowden cables for LHD and RHD vehicles are identical. However, they are fastened to the air flap operating mechanism with the respective reverse side of their connectors.
The air distribution switch operates with two Bowden cables. The cables operate the air distribution valves in the heater housing.
To remove and install the cables, the rotary switch must be turned as far as it will go to the left. The air flap mechanism engages easily in this position, making the installation of the cables easier.
--------------------------------
Air Distribution Cable Control Assembly Removal
s1y~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Disconnect the battery ground cable. For additional information, refer to Section 414-01 .
  1. Remove the radio/cassette unit and the CD player (if equipped). For additional information, refer to Section 415-01 .
  1. Remove the bezel with heater/air conditioning controls.
  1. Remove the bezel with heater/air conditioning controls (continued).
    • Pull off seven electrical connectors (six shown).
  1. NOTE: To remove the Bowden cables, turn the rotary switches as far as they will go to the left.
    Remove the bezel with heater/air conditioning controls (continued).
    • Unclip the Bowden cables.
  1. Remove the lower driver's side footwell trim.
  1. Unclip and remove the air distribution Bowden cables.
  1. Unclip and remove the temperature control Bowden cables.
    • Unclip and remove the temperature control Bowden cables.
Installation
  1. NOTE: Route the new Bowden cables without kinks and check for easy accessibility.
    NOTE: To install the Bowden cables, turn the rotary switches as far as they will go to the left. The mechanism engages easily in this position.
    NOTE: The Bowden cables are identical for RHD and LHD vehicles, although they are fastened to the air flap operating mechanism with the reverse side of their connectors.
    Install the components in reverse order.
  1. Check operation of the Bowden cables.

Mar 17, 2009 | 2003 Ford Focus

1 Answer

No air flow from defrost vent on my van.


Could be a vaccum line leaking not changing the vent flap to defrost

Jan 10, 2009 | 2001 Oldsmobile Silhouette

2 Answers

No dashboard heat output


The climate control was poorly designed on these cars.

There is only heat on the floor and defrost settings, due to the layout of the ductwork.

Oct 22, 2008 | 1989 Ford Festiva

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