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Old 09-19-2005, 06:18 AM   #1
Scooby Newbie
Member#: 92562
Join Date: Aug 2005
Location: San Diego
Default 2K RS: Coolant Leak and Sloshing Sound

Hey guys,
I have recently discovered that my 2k rs is leaking coolant pretty bad after smelling sweetness during driving. I will get that taken care of at the dealership, as I recently had work done on the engine.

However I had a few questions about this whole thing, and was hoping I could try to understand whats going on.

1. The coolant is leaking in 2 locations.. right under the engine and at the front, where the radiator connects to the block. Seeing as how it seems to be leaking from more than 1 location, could there be an issue with the pressure of the cooling system, a corrosive additive, or somethig else just wrong?

2. At about the same time this issue occured, I started noticing that at initial startup, there would be a watery sloshing sound coming from my engine when I would rev it. The sound would go away though after a minute or so. Is this a coolant related issue or possibly something else?

Any advice and info would be great.
Thanks in advance
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Old 09-19-2005, 08:34 AM   #2
Scooby Newbie
Member#: 95157
Join Date: Sep 2005
Location: N.W Subs Chicago, Il.
05 Impreza RS 2.5
OBP 5spd Winged


Take it in right away.....make sure you put some water or coolent in there.....the sound you hear is the lack of coolent in the system as it starts to presurrize its like a straw with a hole in it....the leak is more then likly only in one spot and run off is making it seem like multiple leaks "ei"lower rad hose,water pump,radiator so on.....take it in right away!!
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Old 09-19-2005, 12:18 PM   #3
Scooby Specialist
Member#: 18074
Join Date: Apr 2002
Location: Norman, Oklahoma
2008 Speed3


Mine did the same thing when my headgasket blew. What's your mileage?
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Old 09-19-2005, 12:37 PM   #4
Scooby Newbie
Member#: 71361
Join Date: Sep 2004
Chapter/Region: BAIC
Location: SFBay
2000 Impreza 2.5RS

Default been there.

SOA will warranty MY00 head gasket... Mine was replaced at just over 60K before I bought it (the radiatior failed and it overheated. The Dealer replaced the radiatior and said things were fine. Two years and a couple leakdown tests later, they fixed the gasket, new cyl head, and a bunch of other stuff.) Don't forget to get them to add the Bars-leak....er,
Radiator Coolant Conditioner when they're done.

Another thread on the matter.
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Old 09-19-2005, 05:46 PM   #5
Scooby Newbie
Member#: 65227
Join Date: Jun 2004
Location: WA

Sometimes my 99' Forester 5MT, when cold, will make a sort of watery churning sound behind the dash. I'm pretty sure it's just the water pump flowing coolant through the heater core and hoses.
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Old 09-19-2005, 11:35 PM   #6
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Member#: 92562
Join Date: Aug 2005
Location: San Diego
Default thanks

thanks for your help everyone.
yea, i'll be taking it in tomorrow. i filled up the resvoir with lots of coolant for my drive up (hopefully not too much, if there is such a thing).

to reply to the question about the mileage, its a car with 116K, but a brand new stock engine in it that has about 2K on it. The dealership threw in a 30,000 mile warranty with the engine, and I'm hoping this will get covered, since it seems to be an issue with the connection of the cooling system to the engine.

thanks also about the water churning sounds. thats good to know, and hopefully i wont have to hear it too much more.
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Old 09-20-2005, 11:09 AM   #7
Scooby Specialist
Member#: 51642
Join Date: Dec 2003
Chapter/Region: TXIC
Location: San Antonio, Texas
2008 WRX


Yep my 01RS make the watery sound every so often on start up and even occasionally during stop and go traffic.
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