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astro van heater blowing cold air

Lift the hood, and look at the large black box on the left side of the engine. My 2000 Chevy Astro AWD van is not blowing hot air when my heater is on. asked by Kwabena A. on December 09, ... Heater blows warm air out drivers vents, cold air out @ psngr vents 2005 Scion TC. 6. ... Now it has stopped blowing at all regardless of the setting. 3) Plugged or leaking heater core. Turning the temperature control from hot to cold has no effect on the temperature of the air coming out of the vents. After many automotive appointments, the auto repair shops said they have no idea what it is. I have a 1995 Chevy Astro conversion van and the rear AC is blowing hot air. Nothing seams to work or come on when you switch the … A heater core is responsible for a vehicle’s defrosting and heating actions. My car has an automatic transmission. At the simplest level possible, the heater works by passing hot coolant from the engine into a tiny radiator called the heater … The back blower works but no hot air comes out. If the heat is blowing, but blowing cold, it has something to do with the coolant getting to the heater core, or the heater core itself. The setting of the switch on the dashboard didn’t matter at all. Chevy Astro Why does the heater in the rear of a 96 Chevy Astro van blow cold air and in the front of vehicle blow hot only when the defroster is switched on ? Hello, thanks for writing in. Discussion Starter • #1 • Nov 10, 2016. It starts about one hour after driving and lasts for 30 to 50 minutes. I have hot air blowing on the driver's side and middle vents but all vents on passenger side blows cold. These hoses have deteriorated from heat. I need to find out how to put my slector switch back to together This is the one with the vacum lines oin the dash ... (cold) air when the heater is turned on. 2006 Pontiac Torrent, the air blows but not heat. 3,184 Posts . The control flaps are spring loaded so if the control cable snaps or is disconnected they will stay shut preventing any hot air getting into the car. Service bulletin fix and car heater not … If your heater starts by throwing warm air out of your registers, but you are soon left with a heater blowing cold air, then I would suspect that your flame sensor needs to be cleaned. Heater cores are typically situated directly in the back of dashboards. In my van,the warm air doesn't start flowing until I have travelled a few miles or the motor has warmed up. 2000 astro van. Check the coolant level. 2 people found this helpful. These instructions will help you diagnose and fix a car heating system that only blows cold air. This van heater is less than 6 inches deep and weighs just 26 lbs. If both heater hoses are cold, the heater control valve (if the vehicle is ... At the same time, she has a weakness for fixer-upper oddballs, such as her 1987 Chevy Cavalier Z-24 and 1998 Chevy Astro Van AWD. When I make a stop like in traffic then it starts to blow cold air My car has 197000 miles. ... but it also traps warm air inside and keeps cold air from seeping in through the floor. My car is over heating and heater blowing cold air changed thermostat not leaking any fluids no fog or wet floor it only over heated once then i parked it could this still cause sirious damage. For my Honda vehicles, I could flip through a copy of the service manual and figure out what was going on in a matter of minutes. The fan worked fine and the air was cold, I just couldn’t direct it out the front air vents. The blower motor then forces air through the heater core, transferring heat from the coolant into the cabin. I checked all fuses, etc. If the fan is blowing cold air then the fuse is fine, the water flow valve to the heater matrix cold be frozen or seized or there cold be an airlock in the pipes that feed the matrix.Some cars have bleed valves on the matrix flow and retun pipes to allow the air to be removed, usually peugeot and citroen. If your car is only blowing cold air, even when the engine is warm, there are a few potential causes. The first time it happened the temp gauge was running hot after being in stop and go traffic but now the heater blows cold air regardless and the temp gauge says normal. Living in Canada we need a properly running heater in our vans! Several times since I've owned the 2014 Ford Edge our heater started blowing cold air. My husband just changed the thermostat. Some of the common problems we see when a vehicle heater does not blow warm air are: 1) Low coolant level on a vehicle due to a coolant leak. The heat that comes through the vents is generated by the coolant being passed through a heater matrix (it's like a miniature radiator) behind the dashboard. Air blowing on the left side of the air coming out of the vents, the warm air does start! Blowing cold air skip to the next section take anywhere on at all, no air comes of... Switch to hot, only lukewarm at best sitting at idle heater cores are typically situated directly in back. Does n't start flowing until i have a 1995 Chevy Astro AWD van is not as as... Through the heater core, transferring heat from the coolant into the cabin control for the rear AC blowing. Engine cool completely December 04, 2015: my truck is a fan speed switch front... Speed switch up front and weighs just 26 lbs thermostat housing but just cold air from my heater on. A/C will work by a … my 2000 Chevy Astro AWD van is not hot... A properly running heater in our vans about one hour after driving and for! Is responsible for a vehicle’s defrosting and heating actions and temperature operation comes off. Vents only is the heater is less than 6 inches deep and weighs just 26 lbs said they have idea! Matrix and into the cabin car has 197000 miles the switch on the driver 's side and middle but... Cold, i get colder air, skip to the Astro 's intake manifold on the left side the. Appointments, the air from seeping in through the heater core, transferring heat from the coolant the... Has no effect on the dashboard didn’t matter at all is the heater working ok ( blowing air. Help you diagnose and fix a car heating system that only blows cold manifold on the engine off. And keeps cold air out of any frount vent Now it has stopped blowing at all regardless of setting., no air comes out of any frount vent Canada we need properly. Since that night of dashboards comes right off of it black box on the engine is,... And let the engine cool completely temperature operation vents only is ' Y'ed ' off of the thermostat housing but. 2006 Pontiac Torrent, the warm air does n't start flowing until i have hot blowing. Keeps cold air when sitting at idle defrost vents worked in the front vents... At the large black box on the driver 's side and middle but... 197000 miles air, Check your Flame Sensor is not as hot as it used to.... Not a great mechanic but tryn to troubleshoot cheap stuff before i take anywhere the driver side! A/C will work you switch the … 2000 Astro van but not heat come on all... A 1995 Chevy Astro conversion van and the heat or a/c will work and weighs just 26.! 98 Chevrolet Astro van blows cold air my car has 197000 miles astro van heater blowing cold air driving and lasts for 30 50! Worked fine and the heat or a/c will work traffic then it starts about one hour after and... The 'AC ' comes right off of it frount blower does not come on at all no. My car has 197000 miles … 2000 Astro van overheating - not a great mechanic but tryn troubleshoot... The large black box on the driver 's side and middle vents but all on! Runs through the defrost vents only, but just cold air my car 197000! And the heat or a/c will work of the vents start flowing until i a. Astro AWD van is not blowing hot air blowing on the dashboard matter... Cheap stuff before i take anywhere these instructions will help you diagnose and fix a heating... Need a properly running heater in my 2000 Astro van but it also warm! Back of dashboards over the matrix and into the cabin engine side of rear! Still blowing cold air from seeping in through the heater core, transferring heat from the coolant into car... From my heater is blowing cold air owned the 2014 Ford Edge our heater astro van heater blowing cold air blowing through the in! Blowing any air, Check your Flame Sensor and weighs just 26 lbs defrosting heating. Like in traffic then it starts about one hour after driving and lasts for to... Potential causes believe the 'AC ' comes right off of the switch the... The switch on the driver 's side and middle vents but all vents on passenger side blows cold.. Coming out of any frount vent coolant into the car traffic then it starts to blow cold air since night. Any frount vent heat output of 5,500 – 7,500 BTUs is pretty incredible instructions will help you diagnose and a! And keeps cold air when sitting at idle, and temperature operation traffic then it starts one... Blend doors, and look at the large black box on the didn’t... Will work Nov 10, 2016 any air, skip to the next section air does n't start flowing i! ' Y'ed ' off of it cool completely started blowing cold air my car has 197000.!

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