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Old 12-15-2008, 01:54 PM   #1
03WRX_Rich
Scooby Newbie
 
Member#: 64660
Join Date: Jun 2004
Chapter/Region: NWIC
Location: North Portland
Vehicle:
2003 WRX
Silver & Dirt

Default Coolant dripping from oil filter?

I just looked under my car and found coolant has been dripping off of my oil filter on to the plastic engine cover below. Not a lot, but enough to leave a small stain on the driveway. I smelled coolant after some spirited driving a couple weeks ago, but couldn't find anything.

Checked the oil and it's clean (water free). Any ideas of where this might be coming from? Could it be the infamous radiator crack just traveling to the lowest spot on the car?

too windy to sit around with the hood up like a big sail. Any help would be appreciated.

03 WRX stage .5
regular maintenance on all fluids


Rich
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Old 12-15-2008, 02:09 PM   #2
Cone Klr
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Member#: 73072
Join Date: Oct 2004
Chapter/Region: NWIC
Location: Eugene/portland
Vehicle:
02 wrx, 04sti
WRB squared!

Default coolant

the small hose about 2-3inches long connecting the oil cooler to the coolant passage in the block. It is just above the oil filter sandwiched against the block. it has two snap clamps with little guards on them to protect the hose. in my professional experience after thousands of miles and thousands of heat cycles the snap clamps fail to hold enough tension to seal the fitting. replace hose and reuse snap clamps or for piece of mind replace with traditional hose clamps you can tighten after a while to retain seal.
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Old 12-15-2008, 02:10 PM   #3
Subie Gal
GC84Ever
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Member#: 301
Join Date: Sep 1999
Chapter/Region: NWIC
Location: WA
Vehicle:
1970 FF-1 & '70 Van
02 WRX/01 RS

Default

you've probably got a radiator leak
very very common on the 2002-2003
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Old 12-15-2008, 02:58 PM   #4
03WRX_Rich
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Member#: 64660
Join Date: Jun 2004
Chapter/Region: NWIC
Location: North Portland
Vehicle:
2003 WRX
Silver & Dirt

Default

Thanks Clone & Jamie. Doesn't antifreeze show up under black light? May be time to clean out the garage and search for the culprit. Now who has a black light....wait, don't answer that.

If it is the water line to the oil cooler, can I get away with just replacing the clamp with a worm-screw type, or should I replace both fittings and the hose itself?

The car has 57K, so hoses are coming up on the checklist in the near future.
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Old 12-15-2008, 02:58 PM   #5
03WRX_Rich
Scooby Newbie
 
Member#: 64660
Join Date: Jun 2004
Chapter/Region: NWIC
Location: North Portland
Vehicle:
2003 WRX
Silver & Dirt

Default

Thanks Clone & Jamie. Doesn't antifreeze show up under black light? May be time to clean out the garage and search for the culprit. Now who has a black light....wait, don't answer that.

If it is the water line to the oil cooler, can I get away with just replacing the clamp with a worm-screw type, or should I replace both fittings and the hose itself?

The car has 57K, so hoses are coming up on the checklist in the near future.
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Old 12-15-2008, 03:10 PM   #6
hulslander87
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Join Date: Feb 2008
Chapter/Region: NWIC
Location: Kent, WA
Vehicle:
2006 impreza 2.5i
RBP

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Quote:
Originally Posted by 03WRX_Rich View Post
Thanks Clone & Jamie. Doesn't antifreeze show up under black light? May be time to clean out the garage and search for the culprit. Now who has a black light....wait, don't answer that.
i think it is additives in oil, or that you can add to the oil, that show up under black light
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