Question about 2004 Nissan Pathfinder

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Heater core flush 2004 Nissan Pathfinder

Not getting enough heat

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6ya6ya
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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: 2004 NISSAN ALTIMA 2.5 NO CABIN HEAT..ENGINE AT OPERATING TEMP.

If the engine is not over heating than most lilely it isn't the thermostat or waterpump that is causing the problem. Check the heater hose coming out of the manifold and see if it is warm to hot. Next check the return line from the heater if it is still cold or moch cooler than the inlet, the most possible problem is the heater water control valve if this model has one or possible the core of the heater is plugg with slime cause by some antifreezes setting during the summer months while not being used. If this is the case than remove tihe two hoses and back flush the heater core with water pressure until it runs clear. I have had this problem before and this cured my problem. I also had to flush the engine and radatior also. Hope this help. .

Posted on Mar 14, 2009

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danglin_dan
  • 118 Answers

SOURCE: not enough coolant getting to heater core

make sure when you put in fluid that you burp heater core might be air in it.

Posted on Jan 16, 2012

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2 Answers

My 06 Partfinder dont have heat what should check


PARTfinder? LOL! Good one! Nissan Pathfinder,right?
Check level of coolant,engine temperature hot enough?, no air in cooling system, hoses going in and out of firewall to heater core are hot? May have a blend door actuator(if equipped with one) not working. don-ohio

Jan 03, 2017 | 2006 Nissan Pathfinder

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Get the air out of the cooling system,installed new radiator in 2007 nissan pathfinder.


You may need to take a heater hose lose at the fire wall to bleed the air out.

Oct 01, 2014 | 2007 Nissan Pathfinder 4.0

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I have a 97 nissan terrano and the heater blows basiclly no heat, fan works fine, where is the problem? have been told pollen filter,flush radiator and possible heater coil?


Nissian has what is called a heater control valve . It is located under the hood in the heater hose going to the Heater core ( not coil ) this vavle controls the flow of coolant going into car it can be plugged or dissconnected . Start by having this checked before any thing else .

Aug 05, 2012 | 1997 Nissan Pathfinder

1 Answer

Not enough coolant getting to heater core


make sure when you put in fluid that you burp heater core might be air in it.

Jan 10, 2012 | 1995 Nissan Pathfinder

1 Answer

Heat disappears at stop sign, comes back with motion


First thing to do is check your coolant level. It may be just low enough to need high RPMs to get through the heater core.

Jan 13, 2010 | 2005 Nissan Pathfinder

3 Answers

Nissan dealer claims they replaced the heater pump [not the water pump], is there such a thing as a heater pump?2005 nissan pathfinder


Yes, your Nissan Pathfinder has a heater pump. The heater pump circulates the hot coolant from your engine to your heater core(s). You have two heater cores if you have rear temperature controls. My guess is that your problem was that you had very little heat or no heat at idle. Attached is the page from the service manual on how to replace it.



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Dec 02, 2009 | 2005 Nissan Pathfinder

1 Answer

Very little heat in cabin of car


Trash build up gets caught in the heater core usually because coolant flush isnt done oncea year. What needs to be done is disconnet heater hoses and blow heatercore out with shop air.

Jan 11, 2009 | 2002 Nissan Altima

2 Answers

No heat


The heater core may very well be plugged and in need of replacement. a repair centre can confirm that.

Robert

Aug 28, 2008 | 2004 Ford Taurus

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