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Old 11-29-2008, 01:14 PM   #1
loki12487
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Location: San Antonio TX
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CBS

Default coolant overheating issue need help asap

i'm having an issue with my car overheating while im on the highway the gauge will start moving towards the red area and then it will drop close to the normal range. i've changed the coolant and it hasn't fixed the problem. could i possibly have a problem with the thermostat?
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Old 11-29-2008, 01:15 PM   #2
anthonywrx
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03 WRX/STi hybrid sold :(

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burp the coolant lines

open radiator cap *WHEN COLD* and squeeze the upper radiator hose for about 30 seconds til it stops bubbling. then start the car and wait for the coolant to rise and slightly overflow. turn off car, and put cap back on
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Old 11-29-2008, 01:21 PM   #3
loki12487
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i will burp the lines once the car cools, i've also noticed that there is more coolant in the resevoir than i put in originally.
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Old 11-29-2008, 02:03 PM   #4
loki12487
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i tried burping the car and it's still having the same problem
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Old 11-29-2008, 02:18 PM   #5
clkoontziii
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so if you drive around town the temp stays down right?

but 15min at 60mph or higher temp goes up? get a coolant kit that tests for carbon my 2001 rs had a similar issue

the res. bottle fills up too right

i never really tracked it down after replacing the head gasket and tstat twice and rad once

it got rid of it with what i thought was a small crack in the block passed comp. test though
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Old 11-29-2008, 02:21 PM   #6
loki12487
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yea that's what its doing, it's starting to heat up at idle now
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Old 11-29-2008, 05:16 PM   #7
clkoontziii
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get it to heat up alittle and then quickly do a comp. test i bet there is a leak

also test the coolant

that sux man good luck
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Old 11-29-2008, 06:02 PM   #8
Mavrik
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likely a thermostate or the more expensive fix... internal headgasket leak.

If you smell your coolant, does it smell like exhaust fumes?
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Old 11-29-2008, 06:28 PM   #9
Cougar4
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Hopefully the problem is just a sticky thermostat. If the testing for exhaust gases in the coolant shows negative I recommend you have the thermostat replaced to see if that fixes it. Get this problem straightened out as soon as you can. This isn't a good thing.
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Old 11-29-2008, 11:29 PM   #10
anthonywrx
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post your mods
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