Question about Toyota Xtracab

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Heater not getting hot at all we have flushed it twice and no blockages all controls are working just not getting hot air still coming through. 1997 extra cab hilux sr5 toyota any suggestions

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  • cjshields82 Jul 22, 2008

    thanks heaps will give them a try.

  • Anonymous Oct 20, 2008

    The heater is just not getting hot....what should i do

  • Anonymous Nov 06, 2008

    I am getting fluid through the heater core (at least the hoses are getting hot, and I hooked a garden hose and h20 flowed through) but not heat inside.
    Could the heater core somehow stopped transferring heat? the thermostat is factory (toyota) 88 degrees (I believe). Fan blows, no leaks, water value seems to function...I am miffed.

  • wdagnell Nov 09, 2008

    i have a 1992 4x4 excab the heater will not work. i did the same thing (water through the core, checked valve on firewall, changed thermostat,flushed entire system 2 times) still no heat. i have however noticed 2 things. one, the hoses do not get stiff when hot, two, the needle on the temp will only go about 1/4 the way up, even after driving for awhile.

    i am not sure as what to do now, please help!!!!!

  • billprior Dec 30, 2008

    97 4runner heat is very poor. Fan is great but blows cold air. Flushed twice and it's better. There was alot of brown in the coolant. Should I keep flushing the system?

  • profilesend Apr 30, 2009

    Heater is working but the hot air doesnot blowing. Heating Knob is not working properly. If i move knob 3 - 4 times then after getting hot air. It does work sometimes but not all the times.

  • Anonymous Mar 16, 2014

    cruise control doesnt work on 2007 hilux sr5



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Welcome to fixya

(simple solution) did you change out the thermostat ....if yes then you might not of put a high enough temp one in it or the one thats in it might not be any good
(hard solution) this could be the heating coil this is a harder fix
has to be one of these 2

hope this helps you out have a good day :)

Posted on Jul 22, 2008


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1997 vt 3.8 commodore heater not heating valve hot one hose into firewall hose blower working.

could have a blockage in the heater matrix , drain the coolant system and reverse flush through to see if that will clear the matrix refill and test ,if you are able to disconnect the two hoses to firewall clamp them off and remove then flush the matrix through then refit hoses if the flush goes through ok, try this one first as less work for the same result , if still no heat remove the matrix for inspection etc

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Sounds like either the water valve isn't working or the flap that controls the direction of the hot air isn't connected. Check that the cable that controls heat and air are connected
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83 ford ranger no heat ,new heater core,thermostat,blower motor,runs at normal temps,noticed one heater hose very hot yet the other one which is ran into a metal line going to the engine or ekg valve is...

it sounds like you have a air blockage, or the cooling system needs flushed. to flush system go to ( click on 3rd one down. remember to bleed air out of system, this works the best. turn heater and blower on high, start adding coolant. start car let it idle till radiator thermostat opens. when top radiator hose gets hot you should have heat. some vehicles have a bleeder to let air from system. when filling putting coolant in system. if it does, then open bleeder while engine running and putting in coolant untill there are no air bubbles coming out. have a good day !! when doing flush if need be. you can go to any auto parts store and buy radiator flush. follow directions on the back ( prestone is best )

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Heater will not blow hot air. it blows cold air and fan blows. new thermostat and full radiator

The heater core is possibly blocked or the temperature adjuster is not working.

First check the controls to be certain that the temperature aduster is working and the flaps/doors that direct the flow of hot air are working.

If they are..........

Check heater hose temp. If one is hot and one is cold, you are not getting flow through the heater core.

Bleed it to remove an air blockage.
If that does not work, flush the system.
If that does not work, replace the heater core.

Karl at

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1999 Ford Taurus, no heat. Air comes thru all vents but blows cold air like the ac is on. Replaced thermostat twice, flushed heater core three times (just did it), still ice cold air. Both pipes going into...

ford you say

check that there is flow coming out your heater hoses
step 1 remove 1c heater hose
step 2 have a friend start car remember it is easy to install a heater flush valve and it makes the job easier
if there is flow then eithor you have a blockage or an air lock
if there is no flow there might be a valve in the heater lines to stop the flow of coolant to the car when ac is on i have seen theise in a few cars but they are rare if there is a valve than make sure it isnt frozen with rust and ir does work in a ford i would assume that it is a vacume valve

good luck and happy hunting

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1 Answer

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If u have issues with heatting may be this will help.

1- If the carpet under the heater core is damp, or if antifreeze vapor or steam is coming through the vents, the heater core is leaking.Remove it and install a new unit (most radiator shops will not repair a leaking heater core.

1 - If the air coming out of the heater vents isn't hot, the problem could stem from any of the following causes:
  • The thermostat is stuck open, previnting the engine coolant from warming enough to carry heat to the heater core. Replace the thermostat.
  • There is a blockage in the system, Preventing the flow of coolant through heater core. Feel both heater hoses the firewall. They should be hot.if one of them is cold, there is an obstruction in one of the hoses or in the heater core,or the heater control valve is shut. Detach the hoses and back flush the heater core with a water hose. If the heater core is clear but circulation is impeded, remove the two hoses and flush them out with a water hose.
  • If flushing fails to remove the blockage from the heater core, the coremust replaced.

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Sounds like Heater matrix blocked, check pipes going from engine bay into bulk head both should be getting hot if one is not then may be worth removing pipes and trying to flush it through as would be expensive to renew it as its a large job.

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