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1998 A6 1.8T rear centre vents weak airflow

1998 a6 all vents work but poor air flow on the rear centre console vent. evaporator changed and regassed. flaps cleaned and blow motor checked.

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  • Audi Master
  • 733 Answers

CHECK FOR DTCS AT THE CLIMATE CONTROL.IF NOT CHECK IF V83 IS FUNCTIONALTHIS IS RESPONSIBLE FOR CENTER DISTRIBUTION OF AIR SEE PHOTOS HOPEFULLY YOUR BOX DOES NOT LOOK THIS WAY!!FOR MORE INFO CONTACT ME 1998 A6 1.8T rear centre vents weak airflow - 5447fb70-83d1-4617-8cf4-1f8351710ea5.jpg 1998 A6 1.8T rear centre vents weak airflow - 89a10710-f002-4dfd-a759-e099b9e35843.jpgages/89a10710-f002-4dfd-a759-e099b9e35843.jpg" alt="89a10710-f002-4dfd-a759-e099b9e35843.jpg" class="h_mi" />
<1998 A6 1.8T rear centre vents weak airflow - 6d295c3d-acf8-4b0d-9eb3-939bd74a0eda.jpg!
6d295c3d-acf8-4b0d-9eb3-939bd74a0eda.jpg

Posted on Mar 04, 2014

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6ya6ya
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Posted on Jan 02, 2017

philriden
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SOURCE: 1998 Mustang - AC blows only through Defrost vents

You probably have a vacuum leak on the passenger side. its a small plastic hose some times they come unpluged from the engine. or brake.

Posted on Jan 05, 2009

  • 20 Answers

SOURCE: Heat wont blow through heater or defroster vents

common problem, check under dash by the gas pedal if control arms are muving went selecting from ac to heat cuz this it is the control for the vents to go from ac to heat and to defrost.

Posted on Feb 23, 2009

smcacf
  • 12 Answers

SOURCE: 2000 Ford Expedition front air not blowing

TRY JUMPING THE BLOWER MOTOR APPLY 12 VOLTS TO THE MOTOR IF IT STARTS THEN THE PROBLEM WOULD BE THE SWITCH IF IT DOES NOT START THEN THE MOTOR IS THE PROBLEM GOOD LUCK HOPE THIS HELPS

Posted on Jun 25, 2009

  • 72 Answers

SOURCE: 2005 Jeep Grand Cherokee Air Conditioning Issue

You will need to recharge your system , go to the nearest parts store and buy what ever brand that is recomended, and attach it to the lower air conditioning recharge valve.

Posted on Sep 12, 2009

  • 41 Answers

SOURCE: our 1998 buick lasabre air condioning will not

ck to see if your vaccum hose if broken at the engine vaccum connection, it may have a vaccum hose split or a bad vaccum switch/actuator, if it has manual a/c, if it has electronic a/c then your mode actuator is not working.

Posted on Aug 10, 2010

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VAG COM Fault Codes


ERROR CODE (DECIMAL) - CODE ERROR - ERROR CODE (OBD II) -The description ERRORS
00000 0000 O End
00001 0001 braking system control unit
00002 0002 gearbox control unit
00003 0003 control unit
00004 0004 control unit for engine gas-J659
00016 0010 Vers. electric space heater, rear right damper leg / defroster-V195
00017 0011 Vers. electric space heater, rear left footwell flap / defroster-V196
00018 0012 Executive electric cold air flap-V197
00019 0013 Executive damper motor warm air-V198
00020 0014 Executive electric Right flap and defroster vent-V199
00021 0015 Executive electric left flap and defroster vent-V200
00022 0016 Executive electric right hot air flap at the rear of the center console-V201
00023 0017 Executive electric left hot air flap at the rear of the center console-V202
00024 0018 Executive electric right cold air flap at the rear of the center console-V203
00025 0019 Executive electric left cold air flap at the rear of the center console-V204
00026 Executive 001A motor Right flap and defroster vent-V205
00027 Executive 001B motor left flap and defroster vent-V206
00028 001C Executive electric left bezel-V207
00029 001D Executive electric central bezel-V208
00030 Executive 001E motor right bezel-V209
00031 001F defrost key left rear glass-E299
00032 0020 defrost button the right rear window-E300
00033 0021 Control button front left deflector-E301
00034 0022 Control button front left center vent-E302
00035 0023 Control button front right center vent-E303
00036 0024 Control button right front baffle-E304
00037 0025 Key for adjustment of the temperature difference between the space for the legs and the upper part of the cabin-E305
00038 0026 Control button left rear deflector in the center console-E306
00039 0027 Control button right rear deflector in the center console-E307
00040 0028 lock button door opener inside-E318
00041 0029 Executive damper motor uniform air flow-V213
00042 Lamp 002A left hand fire-M43
00043 002B lamp right hand fire-M44
00044 002C Perform test 1 group of actuators
00045 002D Check Now 2 groups of actuators
00046 002E Electric retractable washer jets left headlight-V248
00047 002F motor sliding washer jets right headlight-V249
00048 0030 heat exchanger temperature sensor, left-G306
00049 0031 heat exchanger temperature sensor, right-G307
00050 0032 temperature sensor-G308 Evaporator

Full list of fault codes here
Car Manuals PDF

on Dec 20, 2016 | Cars & Trucks

1 Answer

Air vent problem


ac evaporators inside a car become useless f the evaporator fins are blocked with a black greasy gunk
It will stop air flow from the blower motor and will not allow the air to be cooled as it passes through the fins
It is unlikely that there is a blockage in the vents
if a section of the ac evaporator box can be removed , check with alight and mirror to see all the fins are clean and if not , use an ac fin cleaner product to melt the gunk of the fins

Mar 11, 2017 | Nissan Pathfinder Cars & Trucks

1 Answer

1994 JaguarXJ6 Heat/AC Vent Troubleshooting


theres a small narrow plastic line from engine compartment going through fire wall witch supplies the actuators it gets hard over time and breaks or cracks when that happens the defrost vent will stay on . when this happens not enough air vauum getting to vent units.

Oct 03, 2012 | 1994 Jaguar XJ6

1 Answer

I would like to know the location of the cabin air filter on my 1998 Lincoln Town Car (Cartier) if there is one. The airflow for my heater seems to have dropped off to the point there is almost no airflow...


THAT YEAR IS NOT EQUIPT WITH A CABIN FILTER. AS FAR AS THE LACK OF VOLUME OF AIR THROUGH THE VENTS THERE ARE TWO THINGS THAT YOU CAN CHECK. IF IT IS THE FRESH AIR DUCT CHECK TO SEE IF THE INLET IS FULL OF DEBRIS SUCH AS DIRT AND LEAFS! NOW ON THE RECIRCULATING SIDE I WOULD CLEAN THE EVAPORATOR FINS. GIVEN THE AGE OF THE CAR IM SURE ITS CLOGGED WITH 12 YEARS OF CRUD. GOOD LUCK!

Nov 30, 2010 | 1998 Lincoln Town Car

1 Answer

Replaced blower motor and resistor on my 1998 oldsmobilehardly no


If the blower motor is capable of working on all the speeds but you only get wisp of air out of the vents then the fan side of the evaporator core for the a/c may be coated with crud and debris which is restricting most of the air that the blower is moving. Usually this problem comes on fairly slowly until one day it is realized that hardly any air is coming out of any of the vents even with the blower on high speed. The blower may even sound like it is working harder than it should to create this little bit of airflow. The fix for this is to remove the blower motor and look into the plastic air plenum with a mirror or flexible borescope and check the a/c evaporator for a thin coating of gray crud. If it's present then I use compressed air and a long blow nozzle [bent to get close to the core] and blow the crud loose. You may not get it all but usually you can blow out enough of it to get back 90% of your airflow. If however your blower doesn't work on every speed then you may have other electrical issues that are preventing the blower from reaching full speed.

Jul 01, 2010 | 1998 Oldsmobile Intrigue

1 Answer

The airconditioner in my car works its cool through the floor vents and the vents on the dash but no air is coming through the main air vents ? the car is a vs berlina with climate control ?


I would say that the control unit isnt switching properly,from the mode button moving the vents air flow direction,best bet is to try and swap a mates one and see if the mode changes the airflow to the main vents,it may be the unit isnt allowing the switching,i think theyre vacuum controlled

Nov 19, 2009 | 1993 Mitsubishi Diamante

2 Answers

The heater fan works from high to low but even on high the airflow through the vents is very poor, on hot or cold


have te ac evaporator core checked for being clogged, if it is it will block air flow.

Oct 20, 2009 | 2002 Jeep Grand Cherokee

1 Answer

Vent in centre of windscreen not working i have a A4 1.8T 2002 the vent in the centre of the windscreen stopped working a week ago drove the car the next day was working perfect it has just stopped working...


There is only one door. Air flows through the AC evaporator and the blend door diverts some or all of the flow through the heater core. For heat, the compressor is off under electric control and the non-refrigerated air is diverted through the heater core. The door is on a vertical axis and can swing to any position based on random corner turns, fan speed, mode, etc.

Jul 30, 2009 | 2002 Audi A4

2 Answers

2004 Ford Expedition rear floor cool/heat


03f81ff.gif
Item Part Number Description 1 — Air inlet door 2 — Temperature blend door 3 — Headliner airflow 4 — Auxiliary mode door 5 — Floor airflow 6 18476 Heater core 7 19860 Evaporator core 8 19805 Blower motor
The auxiliary A/C and heating system has the following features:
  • The auxiliary A/C and heating system is functional whenever the instrument panel mounted A/C control is in any position except OFF.
  • The auxiliary blower motor recirculates the air inside the vehicle. Outside air is not available to the auxiliary system.
  • Air is cooled and dehumidified by the auxiliary A/C evaporator core only if the instrument panel mounted A/C control is adjusted to a position that requires A/C compressor operation.
  • The temperature blend door and the auxiliary mode door are controlled by electric actuator motors.
  • Movement of the auxiliary temperature control between COOL and WARM causes a corresponding movement of the temperature blend door to mix air flowing through and around the auxiliary heater core.
  • Movement of the auxiliary mode control between PANEL and FLOOR causes a corresponding movement of the auxiliary mode door to direct air flow between the panel (headliner) registers and the floor duct.
---------------------------------------
I would say the auxiliary mode door (#4) electric motor is not wokring.

=============================================
Auxiliary Blend Door Actuator —Air Distribution Removal and Installation
  1. Remove the RH quarter trim panel cup holder and access panel.
  1. Remove the screws.
  1. Disconnect the blend door actuator electrical connector.
  1. To install, reverse the removal procedure.

Jan 14, 2009 | 2004 Ford Expedition

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