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Old 03-27-2004, 02:45 PM   #1
OneInchPunch
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Member#: 52582
Join Date: Jan 2004
Default sloshing sound + low coolant

I have a new wrx with less than 1000km on it. I noticed sloshing/bubbling sounds at low rpms ever since i had it, but thought nothing of it.

I checked my coolant level in the reserve tank and noticed it was an inch or so below the low mark even at normal temp. All i can think of is that the dealer installed a block heater (which involves draining coolant? ) and didn't fill it properly.

Could any harm at all been caused at this low level? Does the sloshing noise indicate air in the system? I can't top it off until monday till a dealer opens so i can get some subaru coolant ...

Anyways the car temp. guage has been totally normal and it runs perfectly otherwise.
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Old 03-27-2004, 02:59 PM   #2
mesaro
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I had this problem a few weeks back. Got some coolant and refilled it. The bubbling went away and haven't noticed any problems. HTH

-Nardo
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Old 03-27-2004, 03:38 PM   #3
armand1
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Yep, sounds like you had/have some bubbles of air in the cooling system from the dealer's install. Normally, during driving they should be vented out the radiator cap and into the reserve tank, which is probably why that level is low. Once you get the coolant, dilute it 50:50 with *distilled* or deionized water, and fill the reserve tank up to at least the high level. Then, monitor the reserve tank level before and after every drive over the next few days, refilling to "high" with more 50:50 mix whenever you notice the level has dropped.
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Old 03-27-2004, 04:39 PM   #4
OneInchPunch
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allright will do so, i was just worried if any problems could result with such a low level of coolant in the reserve...

edit: filled and refilled up to the full mark in the reserve tank for a few days until the level stabilized. All is good and sloshing noises are gone.

Last edited by OneInchPunch; 04-01-2004 at 10:35 AM.
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