Question about 2006 Nissan Pathfinder

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2005 Nissan Pathfinder defrost problems. It is still working, but it is not blowing out enough air. The air is still warm, but it is just not enough. So, once I start driving down the highway, it really frosts up. Driving 'in town' speeds the only part of the windshield that is not frosted is that which is getting directly blown on. I put my hand over the vent, it just doesn't seem to be enough. The driver's an passenger's side windows stay mostly frosted too.

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  • Nissan Master
  • 2,534 Answers

Dear An,
Underneath and behind the dashboard are the parts of the car that are giving you problems.
They are inside a black plastic box that has all the air conditioning and heating apparatus.
It is quite likely you have a "sticking flap" inside the air passage vents, or something in that order.
When it is taken apart, it is likely you will see the problem.
Shops often charge higher process for this repair, as it is complicated and time consuming.
God bless your efforts.

Posted on May 30, 2017

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Posted on Jan 02, 2017

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fwadley
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SOURCE: airconditioner suddenly stopped blowing cold air while I was driving--blows warm air now

you can get a recharge kit at Auto Zone, the car has to be runnung to fill it. . This is the first thing I would do, to see if it's out of freeon first.

Ask the Auto zone man to come out side and help you refill it. They will help if you ask.

Posted on Nov 06, 2008

  • 1 Answer

SOURCE: 2005 Pathfinder Heat Flow problem

I am having/had the same problem. My rear heater has not worked the last 2 winters, still trying to figure that one out. But I think I solved the front heat problem myself. The heater was blowing cold air while idling and hot air when the car was moving.

I jacked up the front of the vehicle, took the cap off of the reserve tank for the radiator, turned the car on and ran the heat (AC off) for 15 minutes. This is supposed to release any air bubbles in the coolant system and I did see air bubbles emerge as I was watching (this might be normal occurance, I'm far from a mechanical expert). Anyway, this did not immediately solve the problem, still blowing cold air as it sat there idling after 15 minutes. Dejected, I put the cap back on, lowered the vehicle and resigned myself to taking it to a dealer.

But a funny thing happened the next day, the coolant level was a lower (no leaks on the floor) so I filled up, and sure enough, when I started the car and let it warm up a little, hot air started coming out of the heater!!!

As far as my wife knows, I fixed the problem for the price of a bottle of coolant, so I am a hero...but at first I thought it didn't work. Here we are a month later and still blowing warm air and haven't had to replace any more coolant...the internet is a wonderful thing!

Hope this works for you, and I hope I can figure out my rear heater problem as well.

Posted on Jan 30, 2009

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SOURCE: 2002 Nissan Pathfinder air conditioner/heater problem!

replace heater control switches

Posted on Feb 19, 2009

wracefans24
  • 1985 Answers

SOURCE: I have a really strange problem with my Nissan

Since your blower is working and it is a heat issue,thats where we'll start,First thing is have you checked the coolant level in the radiator when engine is cold,make sure it is filled to top,next verify you have coolant in reserve ,Start your van and get it up to normal operation temperature,If your heat gauge on the dash works correctly it should be 190 degrees,Now lift the hood and locate the two heater hoses going into the heater assembly at the fire wall,Both hoses should be hot to hold on to,if both are hot and no heat inside your problem will be the blend air door in heater assembly.
if neither hose is that hot you need to replace the thermostat in the engine to get it up to 195 degrees.
if one hose is hot and one is luke warm then the heater core is blocked and to blame. hope this helps y

Posted on Jan 03, 2010

  • 1779 Answers

SOURCE: 2005 nissan altima heater blows cold air when

Check your coolant level. If it is low, what you describe will happen. Water pump works faster as rpm's increase, managing to get hot coolant to heater core (highway speeds). At idle, pump is not working fast enough to get the coolant to the heater core.

Posted on Feb 09, 2010

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1 Answer

Heat not blowing out of windshield vent


Put the defroster on and move your temp setting towards warm and youll feel it come out of there. Heat doesn't come through those vents on normal heater setting those are the defroster vents.

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Does your car overheat too?
If so, you could have a faulty thermostat, an air pocket in your cooling system or maybe even a leak somewhere. My truck's heat would only work while I was driving, then stopped working altogether while the engine started to overheat. I changed the thermostat, then the heat would blow hot/cold/hot/cold, I didn't realize you had to bleed the air out of the system after changing the thermostat. I did that and now the heater and engine run great.

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Blows cold air until I start driving, then its ok.


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Jan 19, 2010 | 2005 Nissan Pathfinder

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I have a really strange problem with my Nissan 2006 Pathfinder. The heater will not heat up and blow out hot air as long as the vehicle is sitting idling. When I want to defrost the windshield on frosty...


Since your blower is working and it is a heat issue,thats where we'll start,First thing is have you checked the coolant level in the radiator when engine is cold,make sure it is filled to top,next verify you have coolant in reserve ,Start your van and get it up to normal operation temperature,If your heat gauge on the dash works correctly it should be 190 degrees,Now lift the hood and locate the two heater hoses going into the heater assembly at the fire wall,Both hoses should be hot to hold on to,if both are hot and no heat inside your problem will be the blend air door in heater assembly.
if neither hose is that hot you need to replace the thermostat in the engine to get it up to 195 degrees.
if one hose is hot and one is luke warm then the heater core is blocked and to blame. hope this helps y

Jan 03, 2010 | 2006 Nissan Pathfinder

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Dec 17, 2009 | 2005 Nissan Pathfinder

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Air Fan and Defrost only works on Position 4.


reostat broken,look in air income,locate,remove,look for fuse wire on the device,if electroic,replace all,
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Feb 13, 2009 | 2005 Nissan Pathfinder

2 Answers

2005 Pathfinder Heat Flow problem


I am having/had the same problem. My rear heater has not worked the last 2 winters, still trying to figure that one out. But I think I solved the front heat problem myself. The heater was blowing cold air while idling and hot air when the car was moving.

I jacked up the front of the vehicle, took the cap off of the reserve tank for the radiator, turned the car on and ran the heat (AC off) for 15 minutes. This is supposed to release any air bubbles in the coolant system and I did see air bubbles emerge as I was watching (this might be normal occurance, I'm far from a mechanical expert). Anyway, this did not immediately solve the problem, still blowing cold air as it sat there idling after 15 minutes. Dejected, I put the cap back on, lowered the vehicle and resigned myself to taking it to a dealer.

But a funny thing happened the next day, the coolant level was a lower (no leaks on the floor) so I filled up, and sure enough, when I started the car and let it warm up a little, hot air started coming out of the heater!!!

As far as my wife knows, I fixed the problem for the price of a bottle of coolant, so I am a hero...but at first I thought it didn't work. Here we are a month later and still blowing warm air and haven't had to replace any more coolant...the internet is a wonderful thing!

Hope this works for you, and I hope I can figure out my rear heater problem as well.

Jan 22, 2009 | 2006 Nissan Pathfinder

1 Answer

2005 Pathfinder Heat Flow problem


have the thermostat and heater core checked also check you antifreeze level in the radiator if its not full it wont atsy warm

Jan 14, 2009 | 2005 Nissan Pathfinder

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