Question about 1989 Nissan Maxima

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1989 NISSAN MAXXIMA LOW HEAT IN CABIN

I HAVE VERY LOW HOT AIR COMES IN THE CABIN ALTHOUGH THE FAN WORKING PROPERLY CHECKED HEATER HOSE AT NORMAL OPERATING ENGINE TEMPERATURE ONE HOSE VERY HOT CAN NOT HOLD IN HAND THE SECOND ONE FAR LESS HOT CAN EASILY HOLD IN HAND. CAN SOME ONE HELP WHAT IS RESOLUTION

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  • YOUNUS3 Oct 23, 2008

    THANK YOU FOR VERY USEFULL ADVISE

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Could be a blocked heater core (the part inside the dash that the hot water runs thru), or the heater blend door motor not operating (the part that allows the air from the heater into the vents), or a broken blend door shaft, or something similar. Most of these would require a workshop to attend to them, although you could try flushing out the heater core, by removing those hoses you spoke about from the pipes they go onto at the firewall and directing water at a reasonable pressure (not high pressure like a steam cleaner) into one of the pipes to see if you get a whole lot of crud come out. This may or may not fix the problem and I recammend you take it to a garage and if cost is an issue just tell them you want it diagnosed, and to advise on a price to repair. Give them an upper limit on what you expect to pay for diagnosis as well.

Posted on Oct 21, 2008

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