Question about 2002 Nissan Altima

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Very little heat in cabin of car

The heat in the 2002 nissan altima never hot enough regardles how long the car runs for

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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.

Posted on Jan 11, 2009

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Nissan Altima 2002 Nissan Altima Takes long for heat to come out


You might try bleeding air out of cooling system. Elevate front of car on ramps and leave running. Remove radiator cap before engine gets hot. When engine starts to heat up, air bubbles may come out of top of radiator. Add coolant slowly as level drops. It may take a long time for car to warm up (15-20 minutes)

Nov 09, 2013 | Nissan Altima Cars & Trucks

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What would cause the heater in my 2002 Nissan Altima to work sporatically


Is the vehicle fitted with climate control?If so, then check the function of the cabin air temperature sensor and check that it is also clean.

Nov 15, 2012 | 2002 Nissan Altima

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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

2 Answers

Heat intermittently working Nissan Altima 2002


you may have a sticking thermostat make sure you have enough anti-freeze in it and it does not have a air bubble in it give these websites a try www.alldatadiy.com and www.autozone.com if all fails stop by your local library and get your hands on a Haynes auto repair manual for your car wish you the best of luck Michigan Man.

Feb 02, 2010 | 2002 Nissan Altima

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My 2002 Nissan Altima's heater will not heat it will blow cold air and if you run it for an hour or so it will work what wrong with it


its most likley to be the engine thermostat you could need a new one fitted dose the engine get fully hot or dose that take a long time to warm up as well even when your driving it,, if it dose its that themostat

Oct 26, 2009 | 2002 Nissan Altima

1 Answer

Trouble keeping it running


check fuel pressure from fuel pump, change fuel filter, sounds like it is not getting enough fuel.

Oct 06, 2009 | 2002 Nissan Altima

1 Answer

2002 nissan altima - doesn't have any heat


nissan altima notorious for air pockets in cooling system , bleed system well , make sure cooling system is topped off and retry , cheers .

Jan 12, 2009 | 2002 Nissan Altima

1 Answer

In cabin air filter


its most likely located behind the glove box. which usually comes unhinged fairly easily from its open position stoppers. then there would be an access panel to remove to get to filter(s)

Oct 10, 2008 | 2002 Nissan Altima

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