Question about 1994 Buick LeSabre

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Panel vents how /where do I check the panel vents? how do I clean them in order to get air flowing through them?

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Lee N.

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Check your vacume block located under the passenger side panel... be careful of the Yellow Air bag wires

Posted on Aug 26, 2008

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When trying to use A/C or heat,the air is barely coming out the vent but the blower motor is working. What could it be?


Flow though the panel registers (not vents) and floor/defog outlets can be impeded by clogging of the (actual) vents in the doors because air can only enter the cab as rapidly as it can be vented from the cab to the exterior. Find those vents and make sure they are unblocked and free of clogging material buildup. As a quick check for fault cab venting, crack open a window to see if register air flow speed comes up to match fan speed. If not, then something is blocking the door vents; possibly even ice.

Mar 16, 2015 | 2003 Dodge Ram Pickup 1500

2 Answers

Why does Air flow to windshield defrost vents only?


Most often the problem is in corroded negatives.
Go into the engine compartment and , one at a time with the power off, unscrew a ground wire on the wheel well or the firewall and clean the corrosion off it. Replace each one and tighten carefully. Repeat for every ground you can find. While you are at it, disconnect the battery wires and clean them too. When done, start the engine again (sorry, you might have lost all your radio settings!) and try the switch again. Even the engine may run better.

Nov 05, 2014 | 1996 Dodge Ram 1500 Club Cab

1 Answer

Why center AC vents blocked? all others fine


The flap that directs the airflow between your front defrost and those Center vents sounds like it is become disconnected from your control

Dec 20, 2017 | Mitsubishi Outlander Cars & Trucks

1 Answer

Air flow at middle instrument panel outlets not working.


sound like you are in defrost mode if air going to the window.you vent mode for air flow through instrument panel or bi level some air flow through instrument panel and some airflow direct to floor.your vechicle has climate control. dealership has to check out programmer to climate control in which dealership has to recalibrate check the programmer.

May 23, 2013 | 1998 Buick LeSabre

1 Answer

1993 ford ranger vents not blowing air


likely the vacuum bubble hose is disconnected, or has a hole in it. under the hood a spherical plastic bubble usuually only has 1 hose that connects to it, it may have 2 but most likely only one. idf this is disconnected, then it won't pull the vacuum required to close the vent doors. when this happens the defrost vents usullywork, but none of the panel or dash vents will work

Jul 24, 2012 | 1993 Ford Ranger SuperCab

1 Answer

1990 Dodge Caravan A/C / Heater blower fan mode control won't work


The mode doors are operated by vacuum. Check the vacuum supply line to verify it is connected to the intake manifold. If that looks good, remove the control panel to see if vacuum is coming to the mode switch. Then check to see if the switch is transferring vacuum to the actuator lines. Here is the panel removal procedure:
  1. Disconnect the negative battery cable.
  2. Remove the necessary bezel(s) in order to gain access to the control head.
  3. Remove the screws that fasten the control head to the instrument panel.
  4. Pull the unit out to troubleshoot.

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Jul 21, 2017 | Cars & Trucks

1 Answer

Air flow to defrost or floor not switching stays on dash vents


cannot switch from defrost to panel airflow 2001 chevy silverado

Oct 06, 2009 | 2001 Chevrolet Silverado

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

Main dashboard air vents


there is an air flow motor that changes the vents and opens and closes them. unfortunitely you truly want to wish this not to be your issue because in order to change it the entire dash AND heater box must be removed from the vehicle as well as the a/c discharged.

Jul 11, 2008 | 1996 Audi A4

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