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I have problem with the heat in my 1995 Chevrolet S10 Blazer LT 4x4

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Old 12-07-2011, 08:08 PM
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Last edited by chevyblazer9588; 04-09-2012 at 11:05 PM.
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Old 12-07-2011, 08:18 PM
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Originally Posted by chevyblazer9588
I can't get no heat at all through my heater vents. I have it running for a long time and drive around and still no heat. What I need to do?
If the car is getting up to the proper operating temp, probably the blend door, or air in the heater core.
 
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Old 12-07-2011, 08:26 PM
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First you need to find out if coolant is flowing through the core.

With blower on high, feel both hoses. If both hot, then it is and you have an air routing problem.

Next, make sure you can change vents. If so, then probably blend door. Select AC Max and see if air warms.

https://www.google.com/search?q=blen...ctuator+blazer

Originally Posted by chevyblazer9588
my engine coolant temperature isn't working at all either so I don't know what going on :/
Of course that just MIGHT be a hint. Pull the rad cap when it's cold. If you are full then it's likely the thermostat.
 
Last edited by pettyfog; 12-07-2011 at 08:30 PM.
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Old 12-08-2011, 09:57 PM
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I have this same problem, but mine does warm up but not enough, it runs real cool all the time, think i need a thermostat? i know where it is, its in the upper radiator hose housing going into the engine, how do you get to that damn thing i cant get to it very well
 
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Old 12-09-2011, 03:03 PM
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cool, yes it is im gonna get a hotter one for it when i get around to it
 
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Old 12-10-2011, 05:28 PM
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Most of the time people pull them to try and hide or temporally fix an overheating issue. Glad you got your heat back
 
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Old 12-10-2011, 06:59 PM
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Im sure it will, these days cars like to be at operating temp to run correctly.
 
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Old 12-10-2011, 07:01 PM
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Originally Posted by chevyblazer9588
Do your engine tempature work at all? My engine tempature don't work at all.
wow thats messed up, but anyways mine does but barely, might either be stuck open or in your case not there, now is it where the upper radiator hose goes into the engine? and how do you get to the housing for that do you have to remove a pulley?
 
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Old 12-10-2011, 08:39 PM
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yikes, sounds like a bitch, ill give it a shot, thought about starting it tomorrow see where i get to, im off work for 3 days this week so i dont need it til wednesday
 
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Old 12-10-2011, 11:46 PM
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Originally Posted by chevyblazer9588
White954X4 here are the steps that I did today to get to the thermostat.

1) Unhook the battery cable.
2) Removed the upper fan shroud.
3) Removed 4 nuts and washers from the fan pulley.
4) Remove fan.
5) Remove the alternator.
6) Remove the little bar on the idle pulley bracket and the nut on the water pump.
7) Remove the heater core hose from the top of the water pump.
8) Remove 2 bolts from the thermostat housing.

Hope it help you to get there easier.
wow sounds like way to much for a thermostat my 04 is very easy 5 minute job just the two bolts pull the housing up with the hose and put new one in, they must be different from the older blazers
 



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