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Old 12-29-2008, 01:14 AM   #1
eurojax
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Default Uh oh, eurojax is back. Major fail inside.

It's -6 out and I went to go warm up my car. After ~10 minutes of warming up, I went out to go drive to my parent's house. The windows were still coated in ice.

I checked the heater, it was on, fan was blowing, knob was set to warm air, but no warm air was coming out. So I let it sit for another 10 minutes then had to go.

I drove about half a mile and noticed my thermostat was reading past the H. I stopped immediately, steam billowed from the engine bay. I open the hood to let it cool down and wait 15 minutes.

Then I drive the remaining half mile to my parents house, the thermostat stays at normal levels. I pull into my parents garage and a small amount of steam comes from engine. I let it cool off for about an hour and then I filled up the radiator with coolant and tried to start it up. No dice, won't start, battery is about dead from trying.

I checked the dipstick for traces of water, pulled a few sparkplug wires to see if water was on them, nothing.

So uh, what teh **** just happened?

Update: Post 26
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Last edited by eurojax; 01-07-2009 at 06:36 PM.
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Old 12-29-2008, 01:16 AM   #2
Un0RiGiNaL
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your car got anally ****ed thats what happened




did the first 10 minutes of warming up move the temperature to normal?

(-6 DEGREES? WTF. I SERIIOUSLY FREEZE IN 30 DEGREES HOLY ****)
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Old 12-29-2008, 01:21 AM   #3
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Quote:
Originally Posted by Un0RiGiNaL View Post
your car got anally ****ed thats what happened




did the first 10 minutes of warming up move the temperature to normal?

(-6 DEGREES? WTF. I SERIIOUSLY FREEZE IN 30 DEGREES HOLY ****)
Yes, the first 10 minutes of warming put the thermostat at normal levels. The car didn't show any signs of overheating while idling. It was only until I pulled out of my driveway that it started to climb.

Yeah, it's brutal out right now.
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Old 12-29-2008, 01:31 AM   #4
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Sounds like something is up with your cooling system (DUR) but I don't know enough to get any more specific

I wanna say you may have an air pocket in there but I'm not entirely sure..
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Old 12-29-2008, 01:33 AM   #5
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Sounds like something is up with your cooling system (DUR) but I don't know enough to get any more specific



EDIT::


ehh chazly was thinkin the same thing as me
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Old 12-29-2008, 01:52 AM   #6
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What in the world.

I went back down after letting it sit for another half hour. Car started right up, drove it around the block at 3,000 - 4,000 RPMs, needle stayed at normal temperature, hot air was coming out of vents.



Did the thermostat just get stuck or something? What the crap just happened.
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Old 12-29-2008, 01:57 AM   #7
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Be sure to put this mystery in the next episode of PRON.
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Old 12-29-2008, 02:02 AM   #8
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sure sounds like stuck thermostat not letting the coolant flow to the heater core and radiator... hope thats all it is. When were the HG's done last?
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Old 12-29-2008, 02:09 AM   #9
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Quote:
Originally Posted by hella jdm y0 View Post
Be sure to put this mystery in the next episode of PRON.
That's what I was thinkin'

Quote:
Originally Posted by RaceFaceXC View Post
sure sounds like stuck thermostat not letting the coolant flow to the heater core and radiator... hope thats all it is. When were the HG's done last?
Head Gaskets were done in June of this year.
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Old 12-29-2008, 02:14 AM   #10
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-6 holy shyt...

Id help but im an idiot. and i never had a problem like this. coldest i seen was 20 degrease BAH!
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Old 12-29-2008, 02:22 AM   #11
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I'm sure it's ok, all those unexplained quirks...that's just what makes a Subaru, a Subaru.
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Old 12-29-2008, 09:49 AM   #12
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sounds like a malfunctioning thermostat to me. i just replaced the one on the project car and have a video coming up shortly that should be fairly helpful to you
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Old 12-29-2008, 10:28 AM   #13
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Quote:
Originally Posted by alacrity024 View Post
sounds like a malfunctioning thermostat to me. i just replaced the one on the project car and have a video coming up shortly that should be fairly helpful to you
I'd like to subscribe to your YouTube account. Where might I find it?
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Old 12-29-2008, 11:03 AM   #14
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Quote:
Originally Posted by RaceFaceXC View Post
sure sounds like stuck thermostat not letting the coolant flow to the heater core and radiator... hope thats all it is. When were the HG's done last?
you sir, are wrong. Don't spew misinformation. The thermostat only allows water through the radiator at a good volume. It has NOTHING to do with the heater core. ok, maybe not nothing since they're still in the same cooling system, but you get the idea.

-6 isn't too bad. it's gotten that cold down here.

I'm betting that your coolant froze up and/or you didn't have enough in there. Was your concentration perfect? I've had it happen to me where it's -10 or -15 out, short drive, and car overheats. Added antifreeze(no water) and haven't had the problem since.
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Old 12-29-2008, 11:27 AM   #15
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^^^ Beat me to the frozen coolant advice. I had it happen to me too a few years back.

Check not only the level, but the condition of the coolant. When in doubt, swap it out.


Jay
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Old 12-29-2008, 12:33 PM   #16
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frozen coolant possibly. but you got fresh -60 coolant when your headgaskets were replaced.
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Old 12-29-2008, 12:35 PM   #17
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Quote:
Originally Posted by yarrgh View Post
you sir, are wrong. Don't spew misinformation. The thermostat only allows water through the radiator at a good volume. It has NOTHING to do with the heater core. ok, maybe not nothing since they're still in the same cooling system, but you get the idea.

eeeeasy.. one of the symptoms a lot of people experience when their thermostat needs replacing is "heat stops working.."
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Old 12-29-2008, 03:21 PM   #18
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My RS seems to do that about once a year and its been diagnosed as a stuck thermostat. It only seems to happen during the first really cold day of the year. -10 or greater.

Mike
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Old 12-29-2008, 04:17 PM   #19
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Eurojax do you have a block heater? Last time I was down there in Anchorage I didn't notice many cars sporting the power cord hanging out the bumper, while here in Fairbanks that's the norm. If your car wasn't plugged in then possibly your thermostat was stuck closed... A block heater should maintain your coolant at a higher temperature preventing it from getting stuck shut.

If it's any consolation, last night was -35 here in Fairbanks!
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Old 12-29-2008, 04:52 PM   #20
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If you are on the stock thermostat, either original or a stock replacement, then you need to replace it. I just ran into a somewhat similar situation on the wife's outback.

The Subaru t-state has a very thick center body, and the bore for that body doesn't leave much room. All it took was a bit of crud to build up on it, and it would stick to the point that there were scrape marks on the center bit.

Replaced it with an off the shelf napa unit and new t-stat gasket (dealer only), and problem was solved.

Oh, and taking a tip from Dunk I punched a small hole near the top of the flapper to help purge air bubbles from the system when replacing the coolant.
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Old 12-29-2008, 04:53 PM   #21
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Quote:
Originally Posted by Un0RiGiNaL View Post
your car got anally ****ed thats what happened




did the first 10 minutes of warming up move the temperature to normal?

(-6 DEGREES? WTF. I SERIIOUSLY FREEZE IN 30 DEGREES HOLY ****)

SOunds like a stuck thermostat.

-6? Last week we saw -20 to -17 range. We hit -1 and heat wave popped into mind. But my forester did just fine
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Old 12-29-2008, 06:07 PM   #22
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.........................

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if you guys experience below -0 temps almost every night in the winter, buying a block warmer might be a good idea, if it only gets that cold a few times then i wouldnt worry about it
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Old 12-29-2008, 07:18 PM   #23
rpiereck
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Quote:
Originally Posted by SLI99 View Post
if you guys experience below -0 temps almost every night in the winter, buying a block warmer might be a good idea, if it only gets that cold a few times then i wouldnt worry about it
We see neg temps here so much I am longing for the warm days of 5 degrees...
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Old 12-29-2008, 07:29 PM   #24
ronoverdrive
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And the thread summery is...

Replace your coolant and thermostat to be safe. Invest in a block heater.
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Old 12-29-2008, 11:37 PM   #25
williaty
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If you don't have a block heater up there, you're insane. We use one on her car here in Ohio, ferchristsake. If it's going to be below freezing at the time at which she starts the car, we plug it in. It's astounding, even at 15F, how incredibly much easier her car will start than mine (which doesn't have a heater).


BTW, while I bet its the thermostat, did you check your water pump for function? Overall, it just sounds like you didn't actually have any coolant *flowing*.
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