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SUVs Chevrolet Blazer Chevrolet Blazer Heating Ventilation and Air Conditioning
118 messages, Last post on Nov 01, 2009 at 9:53 AM
You are in the Chevrolet Blazer Forum. Your Hosts are steve_ & tidester
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Three days ago, the system have a short circuit and the alarm turn on. Now the short circuit was repaired but three things remains: First: when I connect the remote control to open doors then the car open the 4 doors not only one. Two: when I connect the lights of the car, the central control of the doors sound like I try to open the doors and is the only way to move the electric mirrors (at the door) to see the sides of the car. Three: every time I put the ventilation system in my Blazer LT 2000 the air is very hot, even with air conditioning (probably I need to check this system too). Any suggestions... Thanks in advance. |
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| I live in WI and it's getting really cold outside. Well when I turn my heat on with the blower on 1 or 2 it blows warm air if it's above freezing if it's below freezing it's cold. Anything on blower 3 or 4 it's always cold. People tell me it's the heater core and to flush it. But when I looked under the hood the hoses from the radiator go to a canister type thing and then that leads into what I think is the heater core. So if I flush it what is that canister thing and will the flush not work then. I tried looking in my manual for a name for the canister thing and can't find a name I can find a pic though. Can someone help me? | |
| I live in WI and it's getting really cold outside. Well when I turn my heat on with the blower on 1 or 2 it blows warm air if it's above freezing if it's below freezing it's cold. Anything on blower 3 or 4 it's always cold. People tell me it's the heater core and to flush it. But when I looked under the hood the hoses from the radiator go to a canister type thing and then that leads into what I think is the heater core. So if I flush it what is that canister thing and will the flush not work then. I tried looking in my manual for a name for the canister thing and can't find a name I can find a pic though. Can someone help me? | |
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I have looked at all the posts for heating problems. I have a Haynes Manual. It shows how to remove and replace items but in the trouble shootiing there is nothing as to HOW to diagnose heater issues (or how to diagnose so may other things as well.)- just bought the Blazer 2 weeks ago. Replaced a 1992 that was totalled just 3 weeks ago- loved that one..... I could afford the warranty for the drive train - but not for other things- electrical etc.Soooooooo we get plenty of air- blows very hard - have moved all the dials etc- still no heat. What should we check 1st? Also.... last Sunday the drivers windshield wiper seemed to go "off track" - it is "spastic" in its actions. the passenger one works just dandy- however they are crossing over and getting stuck on each other- Manual only shows how to change wiper blades. Do the wipers have little teeth that could be eroded like starter teeth and that is making it just not catch all the time- how do I get the wiper assembly off to check? and then what do I do with it? Thanks so much. |
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I'm having identical issues as message # 49 - I have replaced my thermostat and checked my coolant levels. I have reduced heat in my system coming out of all air supplies.I'm trying to understand if the coolant flow through my heater core is controlled by a proportioning valve to reduce / increase heat or how it is controlled. My assumptions are that the select heat / cool knob on the front of the dash is a potentiometer but I do not not what it is controlling. Any help would be appreciated. Dean Arzberger
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Replying to: toolzz (Dec 09, 2007 8:29 am) I just had mine fixed at the dealer (see message #52) as I found out that we DID have a 90 day 3000 mile warranty. It was a spring inside the radiator that regulated the water flow- it would work sometimes and sometimes not- so as we did not fix it ourselves I canot tell you the absolute specific details of the particular spring- I am sure we could have never figured that one out- we thought it was the select heatt/cool knob at first that controlled the baffle that opens the heat. Good Luck. :} Anna
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Replying to: jetson2001 (Dec 09, 2007 12:58 pm) toolzz
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Replying to: toolzz (Dec 10, 2007 6:12 pm) The spring was in the main radiator. The heater core was fine. Anna
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Replying to: jetson2001 (Dec 11, 2007 5:13 pm) Let me know Please Toolzz
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