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Old 06-05-2007, 08:57 AM   #1
steve_d
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Member#: 315
Join Date: Sep 1999
Chapter/Region: South East
Location: Lawrenceville, GA
Default diesel clatter on 2.5L startup, it went away?

Hey gang...long time member, infrequent poster.

My wife has a 1998 2.5GT Legacy with 150k on it. it runs really well, and as all of the early 2.5L blocks do, developed the startup clatter.

Here's a weird thing I just noticed. I just changed the oil (as I do every 3-4k) the only thing being different this time was the new and improved tiny oil filter from OE subaru. Same brand of oil, same weight, same procedure, tiny filter. Guess what? No startup clatter, even after the car has been sitting for days.

Could the fact that the mains get pressure quicker due to the decreased volume of the new filter lead to this?

sjd
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Old 06-05-2007, 11:34 AM   #2
Wiscon_Mark
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Location: Stevens Point, WI
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1995 Legacy OB 5MT
2003 Forester X 5MT

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Or your oil pan could be fuller because you put a smaller filter in.

Or you have a magical healing Subuaru.
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Old 06-05-2007, 09:47 PM   #3
Tap
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... or an improved anti-drain back valve on the filter
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Old 06-06-2007, 12:27 AM   #4
Wiscon_Mark
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2003 Forester X 5MT

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Quote:
Originally Posted by Tap View Post
... or an improved anti-drain back valve on the filter
Oh yeah, that too.

Were you using FRAM filters previously?
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Old 06-06-2007, 12:46 AM   #5
Charlie-III
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Location: 07456, North NJ
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1998 Legacy 2.5GT
Silver Sleeper Wagon

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Quote:
Originally Posted by Tap View Post
... or an improved anti-drain back valve on the filter
Because of the way the filter sits, I can't really see a difference there.
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Old 06-11-2007, 09:39 AM   #6
steve_d
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Default

no, I've always used OE subaru filters. After having worked in the aftermarket, and having experienced the process that parts go through to get an OE stamp of approval, I'll buy OE.

I've been out for a while...sorry I'm getting back to it now.

sjd
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