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Old 07-16-2010, 07:41 PM
 
Location: I think my user name clarifies that.
8,293 posts, read 22,453,494 times
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Quote:
Originally Posted by CaroleF View Post
I have to sit outside for several hours tomorrow. I am not going to be near an air-conditioned place, other than my car. Can I just sit in my car for a bit and run my engine and AC while I am parked to cool down, or could that harm the engine or AC in any way? I realize that I will be using gasoline. But I am more worried about heatstroke, which I have had before. Thanks.
If everything is working properly on your car it should not be any kind of problem - other than sucking some gas.

Just be sure you watch your temperature gauge.
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Old 07-16-2010, 08:00 PM
 
Location: New Jersey
2,715 posts, read 9,117,088 times
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For the past 10 years at work I have taken an hour nap in my car with the A/C running 4 out 12 months per year. No damage that I can see.

Today was 93 degrees in NJ and took a nice nap in my car being cooled by the A/C.
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Old 07-16-2010, 08:06 PM
 
Location: Northeast Tennessee
7,303 posts, read 22,732,022 times
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Not being nosey (well, guess I am, LOL), but what are you doing... manually controlling traffic lights for heavy unusual traffic?

I am wondering because here in Bristol when the races are here, they have people that have to set in their cars and manually control the traffic lights for better flowing traffic. They somehow have a remote or something they can change the traffic lights with.

Quote:
Originally Posted by CaroleF View Post
My car is a 1999 Honda Accord EX. I guess I will find out if the cooling system is up to par. And yes, I do have to sit there outside for a while. I'll keep my eye on the temperature gauge. I won't be doing it much anyway--only if I get overheated. I begin at 7:00 a.m. so the problem won't hit me probably till much later. Thanks again. I am so grateful that I have access to city-data. I don't know how I managed before .
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Old 07-16-2010, 08:34 PM
 
3,071 posts, read 7,441,689 times
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A trick I saw our local canine cops do is to leave the engine running with the ac on and to open the hood to allow excess heat to escape so the engine will not overheat.
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Old 07-16-2010, 08:58 PM
 
Location: Washington, DC & New York
10,750 posts, read 25,521,951 times
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Quote:
Originally Posted by Nativechief View Post
A trick I saw our local canine cops do is to leave the engine running with the ac on and to open the hood to allow excess heat to escape so the engine will not overheat.
Some NYC cab drivers will do the same thing, but it depends upon the car as some don't pop up anymore, what with the different cabs allowed by the TLC.

I will run the car with A/C in summer, especially if one person is running into the store, and have never had an issue with any car. And, if there's an animal in the car, I wouldn't ever considering turning off the car in summer, even with the windows open, since they get too hot. Multiple shops, etc., can easily, and have, added up to a couple of hours at a time, and the only problem I have had is the car being too cold compared to the outside temperature -- but that's welcome in high heat.
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Old 07-17-2010, 09:44 AM
 
1,474 posts, read 4,214,338 times
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you also need to check your voltmeter. running the AC means running the condenser fan (#2 fan on the radiator) as well. my first car over heats sitting in traffic when the AC is not on
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Old 07-17-2010, 10:13 AM
 
2,073 posts, read 3,676,774 times
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Quote:
Originally Posted by CaroleF View Post
I have to sit outside for several hours tomorrow. I am not going to be near an air-conditioned place, other than my car. Can I just sit in my car for a bit and run my engine and AC while I am parked to cool down, or could that harm the engine or AC in any way? I realize that I will be using gasoline. But I am more worried about heatstroke, which I have had before. Thanks.
Ah, yes, a common problem for us stalkers everywhere.

Just kidding. If your car has no problems to begin with, it won't be an issue. I often take naps in my car.
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Old 07-17-2010, 11:14 AM
 
30,877 posts, read 24,200,485 times
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Quote:
Originally Posted by frankgn87 View Post
with a newer car with a modern cooling system you can run the ac for days at an idle. No harm at all
it wont hurt an older car either, again as long as the cooling system is operating properly.

Quote:
Originally Posted by Nativechief View Post
A trick I saw our local canine cops do is to leave the engine running with the ac on and to open the hood to allow excess heat to escape so the engine will not overheat.
this is also a good idea. just remember to make sure the hood is firmly latched when it is time to hit the road. you dont want the hood flying up on you in traffic.
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Old 07-17-2010, 11:21 AM
 
12,120 posts, read 27,524,856 times
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Default I will never forget

when my folks rented a 1972 Plymouth Fury III in Myrtle beach, SC in the summer of 72, it was the first car they ever drove with AC and my dad idled the car a bit too long with the AC on and it started to overheat

I always wondered if there was something wrong or that was the norm with those big beasts
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Old 07-17-2010, 11:31 AM
 
30,877 posts, read 24,200,485 times
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Quote:
Originally Posted by rlrl View Post
when my folks rented a 1972 Plymouth Fury III in Myrtle beach, SC in the summer of 72, it was the first car they ever drove with AC and my dad idled the car a bit too long with the AC on and it started to overheat

I always wondered if there was something wrong or that was the norm with those big beasts
the problem in those days was the cooling systems didnt have enough capacity to handle long idling sessions. most cars left the factory with cooling system capabilities designed to handle places like kansas or nebraska in the summer, not arizona or south carolina. more efficient radiators, better cooling fans, more efficient a/c systems, all help these days. in the old days new car designs were run at proving grounds in michigan for the most part, though ford and gm had proving grounds here in arizona as well.
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