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Go Back   IWSTI.com: Subaru WRX STI Forums > GD Series STi Discussion (2003/4-2007) > GD-Technical > GD-Suspension, Handling, & Stiffening


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Old 04-08-2004, 10:18 AM   #1
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just went off for lunch... went to park.. did a hard left turn (turned as much as possible) and about mid way in the turn it felt like i had run over something or like the tire had got caught on something... nothing on the ground and couldnt see anything with the car.... wth is this?!


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Old 04-08-2004, 11:49 AM   #2
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Was the DCCD on auto or manual?
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Old 04-08-2004, 12:31 PM   #3
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it was set to 50/50 i think.. i cant recall if i had turned it back on to auto at that point.. when i had started it i turned it on but i think i shut it off before that. what effect would that have?
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Old 04-08-2004, 12:58 PM   #4
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That's funny. The same thing happened to me today when I went to lunch. It's the dccd, don't know why it does it but that's what it was. I was fooling with mine and had it towards the rear and it felt exactly like I was running over something.
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Old 04-08-2004, 01:03 PM   #5
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going to have to run it in DCCD more to see if i can reproduce it... cuz this isnt cool :-/
going to check my fluids when i get home too.. probably cant get to the DCCD one until friday tho when i can get the car on a lift..
ugh...
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Old 04-08-2004, 01:18 PM   #6
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In my experience leaving the DCCD in Auto during low speed maneuvering is the best way to avoid those kinda noises. I believe it's happening (espec. in 50/50) 'cause the diffs are trying to spin the wheels at the same RPM, and since you're turning the diff is "complaining". I've gotten weird noises and had the rear end seem to "bind up" when doing what you describe. I seem to recall something somewhere saying NOT to use the 50/50 unless you're on a "loose" surface (wet/snowy/dirt), but that may be my imagination. I'd be somewhat hesistant to try and recreate those noises, as I can't imagine it's beneficial to your differentials...but that's somewhat speculatory.
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Old 04-08-2004, 01:25 PM   #7
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that makes sense i guess... i'll have to try and avoid that
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Old 04-08-2004, 03:56 PM   #8
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Quote:
felt like i had run over something or like the tire had got caught on something
It's the differential clutch. If you're really going slowly and the turn is tight, it feels like you've run over something. Try it a little faster and you will hear the pop.

Just toggle over into auto when you are parking on a dry surface. On snow or ice it won't happen because the wheels will slip before the clutch.
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Old 04-08-2004, 06:06 PM   #9
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good to know.. thanks


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