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2002 Honda Odyssey.... Defrost works only in full defrost mode not in Full mode or Defrost/Floor mode.

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: 2001 olds silhouette - no airflow at defrost vent when in defrost

When you set the Defrost does any air flow from other ports?

Posted on Jan 10, 2009

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SOURCE: 92 Honda Accord wagon - defrost quit working

I had the same problem. Apparently all Hondas have the same problem around the same age depending on mileage and where you are locate (snowy area versus high heat area).

The solution is simple but not very easy - the blower fan must be replaced. If you have it done, expect to pay for several hours of labor. The part is approximately $130 depending on supplier. Be careful you do not go for the really cheap ones as they are Chinese and are prone to poor workmanship and fail easily. Spend the bucks and get a good one or one from Honda which will be much more than $130. I did the job myself and I am VERY handy with lots of tools. It is not something I would like to do again very soon! Half the dashboard has to be taken apart, the glove box removed, loads of bolts and screws from inside the dash which can only be accessed when laying upside down on the passenger floor. I ended up taking out the passenger seat to make things easier!
The first sign of this problem is a noisy heater/blower fan. It just means the bearings are starting to wear down. After that it is just a matter of time before the blower shafter starts to wobble so much that it seizes up. Voila, no heat, no air conditioning, no money after you get it fixed, lol!
Hope this helps.

Posted on Jan 28, 2009

  • 14036 Answers

SOURCE: Very high fuel consumption on 2002 Honda Odyssey

transmission slipping dragging brakes.timing off worn timing belt .bad spark plugs + wires +coil.defected valves and worn cam shaft.use scanner to check oxygen sensor. run engine 5 minutes look at scanner . should read closed loop . if read open loop replace oxygen sensor.

Posted on Apr 03, 2009

  • 740 Answers

SOURCE: 2002 Durango heater controls. The directional

if it works off vaccum you have a vaccum leak

Posted on Jan 11, 2010

  • 2 Answers

SOURCE: ac only blows out floor and defrost vents 95 camaro

Could it be a possibility that your switch is broken to that setting. Try popping off the knob with a screw driver, taking pair of pliers and twisting the knob. Feel for it switching settings.

Posted on Apr 17, 2010

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1 Answer

Need pitcure of vaccum lines on 1999 Ford Ranger v6 3.o air and heat blows only threw the defroster.


26392097-cvaukpwazi2vnl4fgradjhua-2-2.gif

Item Part Number Description 1 18A318 Vacuum Control Motor-, Panel/Defrost Door 2 18A478 Panel/Defrost Door (Full Vacuum Position) 3 - Defrost Air Flow 4 - Side Window Demister Air Flow 5 18B545 Temperature Blend Door (Full Heat Position) 6 19860 A/C Evaporator Core 7 19A813 Air Inlet Duct Door (Full Vacuum Position) 8 - Outside Air Inlet 9 18A318 Vacuum Control Motor-, Air Inlet Duct Door 10 - Recirculated Air Inlet 11 18527 Blower Motor 12 19A566 A/C Vacuum Reservoir Tank and Bracket 13 - Vacuum from the Engine Intake Manifold 14 19B888 A/C-Heater Function Selector Switch 15 - Vacuum to the 4x4 Hub Solenoids 16 18495 Water Diverter Valve (Full Vacuum Position) 17 18476 Heater Core 18 18A559 Floor/Panel Door (Full Vacuum Position) 19 - Floor Air Flow 20 18A318 Vacuum Control Motor-, Floor/Panel Door 21 - Panel Vent Air Flow

Dec 09, 2016 | Ford Ranger Cars & Trucks

2 Answers

My heat on blows from the defrost how do i fix?


The heat/vent blend door that is located inside of the HVAC system behind dash..Rarely it is the control however it could be....Some of the vent door issues are recalls on certain vehicles."Also Blend vent door actuators that operate the doors can become inoperable...If it is the door inside the HVAC it will probably take about 8 hours to repair...Most vent doors either stick shut and or break..as well as actuators....Only a Dealer Scanner can tell exactly where the problem is.....

Feb 22, 2015 | 2008 Jeep Liberty

1 Answer

Fuses lights elights


bad fuses.
open glove box, read the operators manual. all fuses shown there.
lost that.?
the more i link to this , the slower it gets. funny that....
http://justgivemethedamnmanual.com/honda/honda-odyssey-owners-manuals/
or just check all fuses.

Jan 09, 2014 | 2007 Honda Odyssey

1 Answer

Air conditioner


sure.

what is your goal hot air, you never said,

got full fan speed? on high>? sure.
got full engine coolant heat 180F or more holding??? if not all is lost.
if car has a heater core water valve is it open>?
are the 2 heater core water tubes both fully hot,(hand test)
yes> good.
now you need air flow through the core (heater)
that means the damper most be open,, is it?

in that order. (heat)
the dampers on hondas can be complex. (10x on electric damper motors , aka, damper actuators)
see part 5 and 6 here
http://www.hondaautomotiveparts.com/auto/jsp/mws/prddisplay.jsp?inputstate=5&catcgry1=ACCORD&catcgry2=2002&catcgry3=2DR+EX&catcgry4=KA4AT&catcgry5=HEATER+UNIT

the fSM covers the complex tests of dampers, and not having
a real FSM makes this near impossible.
why , because your dampers are no like anyothers on earth.
other cars use different types. and are all unique .
unlike CABLES
unlike vacuum servos.
see>?

here are the basics for heat.
http://www.fixkick.com/AirCond/heater.html


Jun 04, 2013 | 2002 Honda Accord

1 Answer

Climate Control - Heat and cool work fine. Air flow is directed to defrost /floor. No indication (Sound or sight) that the vacuum diaphrams are being activated. The display on the dash matches the...


Does your vehicle have manual or automatic climate control ? You system is stuck in floor an defrost mode ?

03 mercury grand marquis hvac air flow .-13qahwfdndst2y1hypmr2cdq-4-0.gif Item Part Number Description 1 18A318 Vacuum control motor-floor/defrost door 2 - Defrost air flow 3 18A478 Floor/defrost door 4 18476 Heater core 5 19860 Evaporator core 6 19805 Blower motor 7 - Outside air inlet 8 19A813 Air inlet door 9 18A318 Vacuum control motor-air inlet door 10 - Recirculated air inlet 11 18B545 Temperature blend door 12 18A559 Panel door 13 - Panel air flow 14 18A318 Vacuum control motor-panel door 15 - Floor air flow 16 - Vacuum from the engine intake manifold 17 19A563 A/C vacuum check valve 18 19A566 Vacuum reservoir tank and bracket 19 19980 EATC control
Pull the control panel an check for vacuum

vacuum lines hvac 03 grand marquis-13qahwfdndst2y1hypmr2cdq-4-2.gif Item Part Number Description 1 White Air inlet door 2 Yellow Floor/defrost door 3 Red Floor door 4 Blue Panel door 5 Black Source vacuum 6 - Not used


VACUUM APPLICATIONS CHART-ELECTRONIC AUTOMATIC TEMPERATURE CONTROL Switch Port Vacuum Harness Hose Color Func- tion Manual Override Selector Buttons OFF MAX A/C NORM A/C VENT FLOOR FLOOR/ DEF DEF 1 White Air inlet 2 Yellow Floor/ panel (partial) 3 Red Full floor 4 Blue Panel 5 Black
Source

May 21, 2017 | 2003 Mercury Grand Marquis

2 Answers

I have a mercury mountaineer 2003 V6. It has a problem of making sound repeated when I want to have heat turned on. No sound when the dashboard A.C/Heat stays at AC level, which is the zero? level. The...


When the engine is cold,check the coolant level.

Make sure it's on max.

===

A coolant system should be flush every two years.

===

If you did a coolant flush recently then air pocket can be the cause of the un-even heating problem.

The DIY method is to drive you car onto a ramp or a steep hill.

Iet the engine cool off and top off the coolant tank.

Set MAX heat + MAX fan

Let the engine ran for 20 minutes wih the cap off and the trap air will escape from the coolant reserve tank,

Check coolant level and top off coolant when the engine cools down.



A shop will charge $75+ for this but using an air operated excavate tool!

========

A car with over 90K miles may experience linkage problem to the heater control valve.

The heater control valve (near the firewall) may be stick over time.

Open the hood and move the heater to max and min. Back and forth.

Clean and lube the linkage with WD-40 to free the heater control valve.

If it's a vacuum type heater control valve then cash for leaky vac. hoses.


=======
Move the fan switch back and forth to re-new the electrical conductors.

Pass a vacuum over the control panel to prevent dust build up behind the console.

Sep 13, 2009 | 2003 Mercury Mountaineer

1 Answer

2005 Merc. Grand Marquis a/c full blower does not work. a/c goes through defrost vents and/or floor vents. Direct a/c vents go on, but kick off and switch to defrost vents, etc. Someone said it was the...


it not a motor its a module and you have look behind the radio in the dash and find it the dirrection section is not working for the area you dont get air

Sep 11, 2009 | 2005 Mercury Grand Marquis

1 Answer

A/C heater vents will only blow out the defrost ducts.


Some times you can "reset" the computer for that by disconnecting the battery for 15 or 20 seconds then re-connecting it. If that doesn't work then the mode door motor assy might have stripped gears or broken gears. (they are plastic) If you are familiar with where the mode door motor assy is you can turn the knob to change the mode (i.e. defrost, panel, floor) and see if the motor is turning. If motor is turning and mode does not change then the plastic pieces have broke or stripped. Usually when there is a problem with the climate control system it will default to the defrost simply as a safety thing. So you will have defrost so you can see where you are going. Hope this helps you all out, good luck.

Nov 17, 2008 | 2002 Chevrolet Silverado 2500HD

1 Answer

A/c not changing to heater


The air temp control blend door is inop, it may be electric or driven by engine vaccum, but either way this is the problem to fix. I suspect yours is vaccum since more than one function is not working, temp control and air distribution, i.e. floor, defrost and dash vents

Aug 18, 2008 | 2002 Honda Civic

2 Answers

2004 Honda Odyssey A/C


It sounds like a vacuum leak or blend door problem.

Aug 11, 2008 | 2004 Honda Odyssey

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