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11-13-2012, 10:39 AM | #1 |
Scooby Newbie
Member#: 262295
Join Date: Oct 2010
Chapter/Region:
MWSOC
Location: Kentucky
Vehicle:2002 WRX Aspen White |
Another Overheating thread
Coming home from work the other night my car overheats big time. I pop the hood and there's coolant everywhere. So I had the car towed home and started looking for the leak over the weekend. Upper rad hose had a good size hole in it so I replaced that and didn't see any other culprits for coolant leaks. Now within 2 miles of the driveway, the temp gauge skyrockets and stays there. Did the thermostat get cooked during the overheating? Odd thing is my heat is still working properly. Excuse me if any of these are dumb questions, stills noob with Subys.
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11-13-2012, 11:37 AM | #2 |
Scooby Newbie
Member#: 331296
Join Date: Sep 2012
Chapter/Region:
SCIC
Location: Encinitas, CA
Vehicle:2003 WRX Silver |
How much coolant was lost? If more than a quart or two, did you refill the neck? Not the overflow. If so, when the car is warming up squeeze the upper radiator hose to burp the coolant back three the system and run your heat to get the coolant threw the heater core. There most likely air in your lines.
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11-13-2012, 02:33 PM | #3 | |
Former Vendor
Member#: 207954
Join Date: Apr 2009
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11-13-2012, 02:50 PM | #4 | |
Scooby Newbie
Member#: 262295
Join Date: Oct 2010
Chapter/Region:
MWSOC
Location: Kentucky
Vehicle:2002 WRX Aspen White |
Quote:
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11-13-2012, 03:45 PM | #5 |
Scooby Guru
Member#: 4414
Join Date: Feb 2001
Location: Dublin, CA
Vehicle:2002 WRX Sedan Midnight Black |
Air in the system is a very, very, very common problem with these cars. The way the system is setup, it's difficult to get all the air out.
You need to let the car run with the coolant system open until it's fully warm. In order to do this without getting coolant everywhere, you need a funnel that can sit with smooth walls against the fill location in the upper reservoir. The issue is that a whole leg of the coolant system is fed by a pipe that comes out the top of that upper reservoir. You must get the coolant level over the top of that pipe, and that only happens readily by using a funnel. You can half-ass it by squeezing the upper hose and "pushing" some coolant into that area a little at a time, but it's easier to just set up a funnel and let it idle for 20 minutes while you watch TV or whatever. Alternately you can pull the hose off that pipe, it's the S-shaped hose that goes to the turbo. Fill through that hose and you will get rid of most of your problem. |
11-13-2012, 04:42 PM | #6 | |
Scooby Newbie
Member#: 331296
Join Date: Sep 2012
Chapter/Region:
SCIC
Location: Encinitas, CA
Vehicle:2003 WRX Silver |
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11-13-2012, 04:47 PM | #7 | |
Scooby Newbie
Member#: 262295
Join Date: Oct 2010
Chapter/Region:
MWSOC
Location: Kentucky
Vehicle:2002 WRX Aspen White |
Quote:
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11-13-2012, 04:48 PM | #8 | |
Scooby Newbie
Member#: 331296
Join Date: Sep 2012
Chapter/Region:
SCIC
Location: Encinitas, CA
Vehicle:2003 WRX Silver |
Quote:
Be sure your rad cap is on correctly to. |
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11-13-2012, 05:44 PM | #9 | |
Scooby Guru
Member#: 4414
Join Date: Feb 2001
Location: Dublin, CA
Vehicle:2002 WRX Sedan Midnight Black |
Quote:
It will take 10+ minutes for the coolant level to rise enough that you don't have to hold the funnel. Obviously when you're done, the coolant level is over the cap level, so you need to drain some out with a siphon. I usually run that siphon to the overflow tank by the driver's headlight to bring the coolant level back down to a level I can put the cap on. |
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11-15-2012, 11:59 AM | #10 |
Scooby Newbie
Member#: 262295
Join Date: Oct 2010
Chapter/Region:
MWSOC
Location: Kentucky
Vehicle:2002 WRX Aspen White |
This fixed my issue! thanks for all the help guys.
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11-15-2012, 01:00 PM | #11 |
Former Vendor
Member#: 207954
Join Date: Apr 2009
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