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How much does it cost to replace a heater core on a Nissan Altima

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I have a 2006 nissan altima 2.5L. When I turn on the air i can hear a weird sound. The heat works but it doesn't blow cold air anymore. Could this be the heater core and if so how much is something like that to replace?

Posted on Feb 16, 2016

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: 1995 Nissan Altima Heater contorl valve location

HELLO THE HEATER CONTROL VALVE IS LOCATED AT THE REAR CENTER OF THE ENGINE COMPARTMENT BY THE FIREWALL

Posted on Mar 02, 2009

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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

motor1258
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SOURCE: replace a heater core for a 2000 focus zx3

Your best bet is to go to (www.repairpal.com) it will ask for all info & even your zip code so that's it's price for labor rates in your area.

Posted on Mar 17, 2009

  • 323 Answers

SOURCE: 1999 dodge durango heater core

It's a big job. Drain the coolant down, recover the freon in the ac system and disconnect the lines and heater hoses. Lower the steering column, remove the instrument panel assembly, remove the heater housing. Split the case halves on the housing and there you are. Usually around 500 to 700 dollars at a dealership.

Posted on May 29, 2009

  • 691 Answers

SOURCE: 1995 corvette heater core replacement cost estimate

225.00 bucks including parts labor, you might find a local mechanic will do it for 100.00 buck for labor and you buy the part 49.00 buck. lots of GM mechanic are laid off and economy is slow and you might want to advertise on craig list needing GM mechanic. my best secrets is drive back to the GM garage and ask any mechanic who does the side work and you will be surprise. keep in mind dont ask the shop manager, believed me every dealership has one or more does a side job and good price, no shop rate. hope that help some good luck.

Posted on Jul 11, 2009

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2002 nissan altima heater problem


have 2002 altima,blower works no heat at idle and very little heat when accelerating.I changed carbon cabin filter,made sure little gear under dash to temp knob wasnt broken,flushed and bled system.Nothing worked so checked hoses to heater core and found inlet hose was hot,outlet hose was not.So investigated this problem and came to conclusion heater core was clogged.An easy way to check is to get car to normal running temp. put on heater and blowers at full.Go under dash on passenger side where counsel meets firewall,this is where heater core core inlet and outlet aluminum tubbing go through firewall,you will be able to feel both tubes one closest to you is outlet, so if this one is not hot and and other is your heater core is clogged.I detached both inlet and outlet hoses to heater core from water control valve.Then I blasted water with waterhose and nozzle set at jet,first through outlet hose to blow gunk out,then through inlet hose until water runs clear.Reatach hoses fill and bled system.heater works great nice and hot!

Nov 10, 2012 | 2002 Nissan Altima

1 Answer

Have a 99 nissan altima that wont heat at an iddle. have changed the 2 thermostats and water pump. also bleed the system pre the tech service bulitin, and still have no heat at times at an iddle. any...


yes,have suggestion.leaking coolant into the passeger side floorboard? film on the windsheild at anytime? suggest a bad heater core. or this,heater core stopped up.needs to be flushed.flush radiator with a common flush found at autozone,advance autoparts stores.or any other auto parts stores. remove your heater core hoses on the firewall[2 small hoses that go from the motor through the firewall to the heater core itself] flush the heater core there manually.push your water hose to the passenger side there and turn hose 'on' and watch the flow out the other side.[both hoses on the firewall will have to be off[or disconnected]to do this properly. your problems here,and since you've replaced the thermostats twice,suggest that this is your issue. thank you for choosing fixya.com

Jan 28, 2011 | 2005 Nissan Altima

2 Answers

Windows foging up and over heating in 2002 nissan altima 2.5


sounds like the heater core has went bad causing the windows to fog up its leaking antifreeze into heater box under dash also causing the car to overheat because low coolant level

Jan 19, 2011 | Nissan Altima Cars & Trucks

1 Answer

2005 nissan altima heater blows cold air when stopped and blows hot air when going down the highway. What could be the problem?


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.

Feb 09, 2010 | 2005 Nissan Altima

2 Answers

Nissan Altima 02. heater problems


Have you tried asking them to just flush the system, as well as reverse flush? Sometimes that will clean it out enough to get you where it needs to be for now. If not, I'd try that, at another shop, obviously, if for no other reason, a second opinion. Try one that specializes in radiators if there is one in your area. If no luck, and your handy at all, I can tell you what I did to clean core out a few times that worked pretty well for me, and only cost me about $20-$30, and a little time. Let me know if your up to it, but I'd gamble the cost of a flush, and my method, before I'd pay $100's of dollars for new core.

Dec 22, 2009 | 2002 Nissan Altima

1 Answer

I have no heat have flushed heater core and replaced thermostats


Check the valve that changes the water flow into the heater core,free it up if it's not moveing.Run the car to normal temp then shut it down.Check and confirm that the upper and lower heater core hoses are both warm.

Dec 08, 2009 | 2002 Nissan Altima

2 Answers

Heater works sometimes no leaks engine temp normal


Considering that your vehicle is only 7 years old we can rule out any clogging in the heater core. I would suggest having the heater control vavle which cuts into your heater hose in the engine compartment check or replaced. This controls the volume of coolant flowing through the heater core. Thank you, Dana

Oct 18, 2009 | 2002 Nissan Altima

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

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