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Author Topic: No Heat on Remote Start  (Read 11541 times, 44 Replies)
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richsmoejoe
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« on: January 17, 2010, 04:06:17 PM »

Hello,

I have had my 2009 Acadia for almost 1 year now, this being my second winter with it.

I have consistently had trouble with my remote start and the heating system.

My remote start works fine, car starts, heated seats come on, but at least 75% of the time I will get in the car only to have absolutely no heat running.  Isnt this the point of remote start - to warm up the car - inside and out.

Every once in a while I will get to the car and the heat will blasting out of vents - which is great.  But MOST of the time it is not.

I  have tried many different scenarios - I have left the heat system on Auto - nothing.  I have run the system on regular (non-Auto) - still nothing.  I have remote started the car and waited almost the ten minutes before I go out to the car - and still no heat.

Here in Chicago we have had some bitter cold mornings.  I take my child to the school bus so I would go to back of house and open up garage door and then remote start the car - 5-10 minutes later we would go out to car and there is no heat - car is running, heated seats are on - but no heat and inside of car is ICE COLD - Arggggg.  This cannot be right.  I did return to dealer late last winter - the checked it out and told me they couldn't find anything wrong.  The man there even gave me a printout of the directions for the heat system.  I had already read those 10 times before that looking to see if I was doing something wrong.

I think I need to take it in again  - I don't know if maybe the sensor is bad.  Anyone else out there experience anything like this?? 

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« Reply #1 on: January 17, 2010, 04:43:02 PM »

Depending on the temp it can take more than 10 minutes.  That's why you can do the remote start twice, 10 minutes each time.  We had the big cold snap here 2 weeks ago.  Temps close to 0 and wind chill in the negative double digits.  It took upwards of 15 minutes for the heat to be blowing.  The blower will not start pumping out air until the engine gets above 160 degrees.  I have sat in mine freezing watching the guage and when it started moving from the 160 degree mark, air started coming out.  If it's 30 outside it wont take as long for the engine to warm up, maybe 5 minutes and thus when you get in the car the air is blasting.  I don't see anything wrong here.  Just have to be patient.  It's like watching a pan of water boil.
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« Reply #2 on: January 17, 2010, 04:46:24 PM »

I know there is an issues with earlier Acadias (not sure if 09 is included) where the outside air temp gauge isn't reading the temp correctly (or gets stuck at some temp).  If this temp reading is high enough it won't turn on the heat.

(I haven't gotten mine fixed yet)  There are plenty of times that I come outside and notice when turning on my car that the thermometer reads 60 something eventhough the temp might be in the 30s
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« Reply #3 on: January 17, 2010, 06:02:09 PM »

I have not had any temp issues with my 09.  But that would not be the case here as his heated seats are coming on, which means the outside temp guage is reading the temp at below 45 degrees.  If it was reading like 60 the seats would not come on.
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« Reply #4 on: January 17, 2010, 07:13:14 PM »

Hello,

I have had my 2009 Acadia for almost 1 year now, this being my second winter with it.

I have consistently had trouble with my remote start and the heating system.

My remote start works fine, car starts, heated seats come on, but at least 75% of the time I will get in the car only to have absolutely no heat running.  Isnt this the point of remote start - to warm up the car - inside and out.

Every once in a while I will get to the car and the heat will blasting out of vents - which is great.  But MOST of the time it is not.

I  have tried many different scenarios - I have left the heat system on Auto - nothing.  I have run the system on regular (non-Auto) - still nothing.  I have remote started the car and waited almost the ten minutes before I go out to the car - and still no heat.

Here in Chicago we have had some bitter cold mornings.  I take my child to the school bus so I would go to back of house and open up garage door and then remote start the car - 5-10 minutes later we would go out to car and there is no heat - car is running, heated seats are on - but no heat and inside of car is ICE COLD - Arggggg.  This cannot be right.  I did return to dealer late last winter - the checked it out and told me they couldn't find anything wrong.  The man there even gave me a printout of the directions for the heat system.  I had already read those 10 times before that looking to see if I was doing something wrong.

I think I need to take it in again  - I don't know if maybe the sensor is bad.  Anyone else out there experience anything like this?? 



This may be a dumb question but are you leaving the temp set at a reasonably high setting (72 or higher)?
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« Reply #5 on: January 17, 2010, 07:18:49 PM »

This may be a dumb question but are you leaving the temp set at a reasonably high setting (72 or higher)?

my thoughts as well. next time you park it, tun HVAC to auto, set temp at 90 and turn it off. Remote start it in the morning and see what you get.
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« Reply #6 on: January 17, 2010, 08:49:13 PM »

Depending on the temp it can take more than 10 minutes.  That's why you can do the remote start twice, 10 minutes each time.  We had the big cold snap here 2 weeks ago.  Temps close to 0 and wind chill in the negative double digits.  It took upwards of 15 minutes for the heat to be blowing.  The blower will not start pumping out air until the engine gets above 160 degrees.  I have sat in mine freezing watching the guage and when it started moving from the 160 degree mark, air started coming out.  If it's 30 outside it wont take as long for the engine to warm up, maybe 5 minutes and thus when you get in the car the air is blasting.  I don't see anything wrong here.  Just have to be patient.  It's like watching a pan of water boil.

This makes sense and the colder outside the longer it will take for the engine to reach this temp; I wonder if a block heater would speed up the time it takes for the engine to reach 160.
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« Reply #7 on: January 17, 2010, 08:53:46 PM »

I'll bet it would.
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« Reply #8 on: January 17, 2010, 09:12:25 PM »

This makes sense and the colder outside the longer it will take for the engine to reach this temp; I wonder if a block heater would speed up the time it takes for the engine to reach 160.

I remember a block heater on my dad's old 82 6.2 diesel suburban.  All it did was keep the glow plugs warm for an easier start but did not help the engine produce heat that much faster.
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« Reply #9 on: January 17, 2010, 09:21:53 PM »

I remember a block heater on my dad's old 82 6.2 diesel suburban.  All it did was keep the glow plugs warm for an easier start but did not help the engine produce heat that much faster.

Yep on a diesel, but what about a gas engine
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« Reply #10 on: January 17, 2010, 10:04:24 PM »

The block heater element goes directly in to a coolant cavity.  I will warm the coolant near the element.  How much warmer this will make it I don't know.  I don't know how much you guys pay for electric, but the gas used to warm up with a remote start is probably easier.  It is more important with diesels as the oil viscosity is much thicker.
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« Reply #11 on: January 18, 2010, 12:15:25 AM »

This may be a dumb question but are you leaving the temp set at a reasonably high setting (72 or higher)?
my thoughts as well. next time you park it, tun HVAC to auto, set temp at 90 and turn it off. Remote start it in the morning and see what you get.

Not a dumb question - and yes I have left the system set to auto as high as 80.  Still nothing. 

Now yesterday temps were around 30 degrees all day.  Car was in garage as always is - so I remote  started it and as usual no heat.  Drove the car about a 40 minutes drive, parked it outside of where I was visiting - stayed 5 hours - then remote started car - was running at least 5 minutes before I got into car - no heat!!.  Now the car was sitting outside - temps around 30 = heat should have been running.  Just so frustrating!!!
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« Reply #12 on: January 18, 2010, 05:25:42 AM »

Not a dumb question - and yes I have left the system set to auto as high as 80.  Still nothing. 

Now yesterday temps were around 30 degrees all day.  Car was in garage as always is - so I remote  started it and as usual no heat.  Drove the car about a 40 minutes drive, parked it outside of where I was visiting - stayed 5 hours - then remote started car - was running at least 5 minutes before I got into car - no heat!!.  Now the car was sitting outside - temps around 30 = heat should have been running.  Just so frustrating!!!

Dealership time
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« Reply #13 on: January 18, 2010, 09:33:58 AM »

Not a dumb question - and yes I have left the system set to auto as high as 80.  Still nothing. 

Now yesterday temps were around 30 degrees all day.  Car was in garage as always is - so I remote  started it and as usual no heat.  Drove the car about a 40 minutes drive, parked it outside of where I was visiting - stayed 5 hours - then remote started car - was running at least 5 minutes before I got into car - no heat!!.  Now the car was sitting outside - temps around 30 = heat should have been running.  Just so frustrating!!!

Did you ever get any heat while you were driving it?  And if so, how long into the drive did you get heat?
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« Reply #14 on: January 18, 2010, 10:22:16 AM »

Did you ever get any heat while you were driving it?  And if so, how long into the drive did you get heat?

Yeah - good question none of us covered - also how long is your coolant temp gauge taking to reach operating temp (midway on the gauge).
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« Reply #15 on: January 18, 2010, 11:40:36 AM »

I wonder if a block heater would speed up the time it takes for the engine to reach 160.

I believe the factory block heaters have a thermostat on it that only allows it to cut in when it is -18C/ 0F or colder. The OP doesn't say what the temp is in their garage so this may or may not work anyway. 

I find that my car is not blowing warm air until I drive it for a while when I use remote start since it never runs long enough, even when done twice, during colder weather. I wish they would do something to the timer on it to allow it to run longer. 
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« Reply #16 on: January 18, 2010, 12:14:40 PM »

I glanced and didnt see this question or answer specifically.

Your problem is not that the fan is blowing cool air sometimes when you remote start, the problem is the fan is not turning on at all, correct?
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« Reply #17 on: January 18, 2010, 12:27:32 PM »

But that is just it, it will not blow until the engine has built up enough heat.  Unlike the a/c side that it starts blowing at once.  I think that some people believe it should be blowing at once, but all that will do is blow cold air in a cold vehicle.  Gotta wait in this cold weather for the engine to warm up.  Same goes for driving it in extreme cold weather.  The oil and trans fluid have to warm up as well to work properly.  You just can't jump in and go.
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« Reply #18 on: January 18, 2010, 12:33:08 PM »

But that is just it, it will not blow until the engine has built up enough heat.  Unlike the a/c side that it starts blowing at once.  I think that some people believe it should be blowing at once, but all that will do is blow cold air in a cold vehicle.  Gotta wait in this cold weather for the engine to warm up.  Same goes for driving it in extreme cold weather.  The oil and trans fluid have to warm up as well to work properly.  You just can't jump in and go.

See I thought the fan was going even with cold air coming into the cabin; so the system waits to do anything until it reaches the required temp?
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« Reply #19 on: January 18, 2010, 02:42:07 PM »

See I thought the fan was going even with cold air coming into the cabin; so the system waits to do anything until it reaches the required temp?

That's right.  It's that smart to know when to come on or not.
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