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View Poll Results: Best time to change coolant?
Before summer (spring) aka now 0 0%
Summer 0 0%
After summer (fall) 1 8.33%
Winter 1 8.33%
Anytime of the year 10 83.33%
Voters: 12. You may not vote on this poll

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Old 03-10-2005, 10:20 AM   #1
TurboRoo
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Default Coolant change, does time of year matter?

I searched around and couldnít find an exact answer. Iíve been working on doing the 30K service and have most of it done, 03 wrx btw. I just have a stupid question. Does the time of year matter much when changing the coolant? Is it best to change it now or should I wait till after summer? I donít have any problems and itís still nice and green. I donít plan to change it till it warms up some at the earliest though. Messing with coolant with 30 degrees weather isnít fun.

I also plan to change out the thermostat while Iím at it. Itís cheap and have to drain most of it anyway to replace it. Quick question about that too. Does the thermostat housing have a gasket I need to replace? My old car didnít but Iím not sure about this one and want to make sure I have it if I need one.
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Old 03-10-2005, 10:29 AM   #2
OneOBS
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You can change coolant anytime. Yes, the thermostat requires a gasket. Its one of those flattened o-ring type things that goes around the flange of the thermostat. Hopefully, the thermostat will come from one, but if not, get one from the dealer.
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Old 03-10-2005, 12:10 PM   #3
bheinz57
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Anytime. Brian
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Old 03-10-2005, 03:34 PM   #4
TurboRoo
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Thanks, I just wanted to make sure.
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Old 03-11-2005, 09:08 AM   #5
ImprezaVA
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I always do it in the summer time when its warm outside because I always end up getting water everywhere. As for your car's preference, anytime will make the radiator happy.

-Charles-
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Old 03-11-2005, 11:11 PM   #6
Mike Wevrick
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I can't see why the season would matter, except for your comfort.
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Old 03-13-2005, 05:54 PM   #7
TurboRoo
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Quote:
Originally Posted by Mike Wevrick
I can't see why the season would matter, except for your comfort.
Iíve seen that some recommend doing it in the fall before winter verses other times of the year. So I was curious if it really mattered or not.
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Old 03-16-2005, 02:38 AM   #8
eltrouble
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it don't matter. i just replace it everytime my overflow tank gets a bit TOO low...
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