Question about 1998 Isuzu Rodeo

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The vents won't change defrost or floor. how is it actuated? on an 06 isuzu npr 5.2L diesel.

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

deathraider
  • 64 Answers

SOURCE: air only blows on defrost (windshield)

should be electric and yes your right , the actuator .

Posted on Dec 04, 2008

  • 37 Answers

SOURCE: PROBLEM WHEN SELECTING THE DIRECTION FOR THE AIR

Sounds like you have a supply vacuum problem. When you lose supply vacuum to the control head it defaults to defrost.

Posted on Mar 13, 2009

  • 1 Answer

SOURCE: Dash vents will not blow air. Defroster and floor vents blow fine.

Is it a new vehicle? I had a new vehicle that had the same problem. Answer was that the holes weren't punched out of the vent.

Posted on May 23, 2009

moparownr
  • 667 Answers

SOURCE: 2004 Ford Expedition XLT, front blend door actuator

Hope I was avle to help, glad you up and going.

Posted on May 27, 2009

  • 12 Answers

SOURCE: A/C blows from defrost and floor vents, nothing from dash vents.

the switch where you turn it to blowing at your head is probably out. you will need to replace the switch control where your defrost, foot, head etc. what make, model, year is your vehicle?

Posted on Jul 09, 2009

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1 Answer

I have a 1975 k5 blazer and it blows cold air it worked fine last year but now it only blows cold air even on the defrost setting what can the problem be and how can I fix it?


A vent flap actuator probably needs to be replaced. It's what moves your vent flaps from heat to A/C or to plain "vent air" when you change settings.

The discussion in the link includes vent flap actuators. Unfortunately, they also include the infamous no low speed fan problem too.

Cannot get any air from dash vents while defrost and floor vents work fine...

Your particular actuator will be a different one than they found.
They're all a absolute pain to get at because they can be well buried in the dash. I would start looking under the dash on the passenger side, that's where most of the air control is. Cannot get any air from dash vents while defrost and floor vents work fine...

Nov 14, 2016 | Cars & Trucks

1 Answer

I don't know how to change fuel pressure regulator in my Isuzu 2007 NPR can somebody give me a hand on that


this is no heavy truck forum. its only light and cars.
NPR what, (the number)
and what engine? fuel parts match up to and engine.
no year NPR. wow. and have gas or diesel engines.
no fuel stated either.
NPR started in USA in 1985 (this is USA forum)
this?

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May 04, 2016 | Isuzu Cars & Trucks

1 Answer

F250 no air from dash vents, works on floor and defrost


Possibly some blockage? Foam where it shouldnt be?

Nov 07, 2013 | Cars & Trucks

1 Answer

Fuse diagram 1996 grand prix


On a 1996 model you probably have vac actuators that control air flow. Look under the dash and you may be able to see the actuator that controls flow to the defrost and vents. There would be another one for temp control.

Jul 02, 2013 | Cars & Trucks

1 Answer

I have a 2009 Isuzu NPR-HD (Diesel) that has no acceleration!! Please help!!


Check the operation of the waste gate actuator. Mine had corroded to the point it was not moving. The engine wouls start, idle but no revs when the gas pedal was depressed.

Jan 13, 2013 | Isuzu Spacecab Cars & Trucks

1 Answer

No heat or defrost in my 2000 mercury sable


If you are referring to the air won't blow through the defrost vents or on the floor, you may have a stuck or broken blend door actuator. This part diverts air through the different settings: defrost, vent, floor etc. If you aren't getting warm or hot air regardless of the settings, you may either be low on coolant or have a bad thermostat.

Oct 15, 2011 | 2000 Mercury Sable

1 Answer

A/C from defroster vents only. Won't come out the dash vents or floor vents,


Most common cause is a bad blend door actuator. This controls how the air is diverted, Sometimes the actuator will become stuck in one position. There are 2 types, a cable driven or electronic driven. Search for blockages underneath the dash that could prevent the actuator from moving. Also, it's possible (if it's cable driven) that the cable is either broken or loose to the point where it won't move the door any longer.

Aug 23, 2011 | 1993 Chrysler Lebaron

1 Answer

The blower on my a/c on 2002 chevy trailblazer only blows from the floor vents and the defroster vents but not the dashboard vents how can this be fixed. Also, it only works on 5


It sounds like you have two problems. First a question though; Is your heating and air conditioning control on the dash automatic (has two knobs that rotate and a display screen in the middle), or manual (has two levers that move up and down for driver/passenger temp and a separate fan knob and mode knob).

In response to the vents being stuck on defrost and floor, from experience i can say that the most likely cause is the mode actuator has failed. If your battery has recently gone dead, that could have brought the problem to the surface. When the battery has gone dead, the heating and air conditioning controls relearn all the positions of the actuators behind the dash when the vehicle has been re-started. If there is a position sensor failing (which happens quite often) in one of the actuators, the heating and air conditioning controls won't be able to learn the correct position of the actuator and (in your case) defaults to the defrost/floor position.

The only way to fix that would be to replace the actuator. I would like to know what type of heating and air conditioning controls you have (manual or automatic) before i say anything on the blower only working on 5.

Aug 05, 2011 | 2002 Chevrolet TrailBlazer

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