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Old 07-31-2003, 12:40 AM   #1
atmosphere
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Member#: 37641
Join Date: May 2003
Chapter/Region: SCIC
Location: San Diego
Vehicle:
98 Impreza 2.5 RS

Default Bad cooling system?

For some reason my radiator will never stay full. Before starting my car i have to remove the rad. cap and blow on the reserve tank to bring the coolant level up to where it should be. Now i know it is normal for the coolant to expand when it gets to temperature and fill into the reserve tank and be sucked back into the radiator once it cools and contracts. In my case its not being sucked back into the radiator after it has completely cooled down leaving the radiator low on coolant. I speculate that somewhere in the system air is being sucked in rather than maintaining a vacuum on the coolant. Anyone had or know of this problem?
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Last edited by atmosphere; 07-31-2003 at 01:25 AM.
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Old 07-31-2003, 12:07 PM   #2
fredj
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Member#: 13735
Join Date: Dec 2001
Chapter/Region: Tri-State
Location: New Brunswick, NJ USA
Vehicle:
2002 Outback Sport
Sedona Red

Default

On my last car, a Toyota Tercel, I had a similar problem when the car got about five years old. The solution turned out to be a little bit of radiator stop-leak. I used a couple of large tablets I bought six on a card at the Chevy dealer, but anything from the auto store should do.

Since it is a small leak you dont need to load up the car with a whole package or can of stuff.

Fred
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Old 07-31-2003, 01:03 PM   #3
vvk
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Member#: 6436
Join Date: May 2001
Location: Holland, PA
Vehicle:
1998 Impreza 2.5RS
BDP

Lightbulb radiator cap

You need to replace your radiator cap.
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Old 07-31-2003, 05:49 PM   #4
atmosphere
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Join Date: May 2003
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Location: San Diego
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98 Impreza 2.5 RS

Default

I did just replace my radiator cap, i starting having this problem so i purchased a new one put it one and it still somehow manages to ingest air. Is there anything else that can be causing this problem?

Last edited by atmosphere; 08-01-2003 at 01:08 AM.
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Old 08-01-2003, 11:51 AM   #5
latinskllz
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Join Date: Jan 2001
Chapter/Region: South East
Location: orlando, fl, USA
Vehicle:
1998 BMW M3 Coupe
Estoril Bleau

Default

Quote:
Originally posted by atmosphere
I did just replace my radiator cap, i starting having this problem so i purchased a new one put it one and it still somehow manages to ingest air. Is there anything else that can be causing this problem?
Dude, same crap happened to me...read my post on your overheating problem....
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Old 08-01-2003, 06:54 PM   #6
Albert
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Join Date: Dec 2000
Location: San Diego, CA. USA
Vehicle:
1998 Impreza 2.5RS
Rally Blue Pearl

Default

98 DOHC...it's likely not a leaky radiator or a bad cap.

I strongly recommend you have a very very very very very very knowledgable Subaru mechanic check out your engine ASAP
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