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2013 & 2014 Outback
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268 Posts
Discussion Starter #1
Hey the manual states GL-5 75w-90 gear oil. can anyone tell me is this is a limited slip ??
 

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Registered
03 H6 OBW & 06 WRX Sportwagon
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17,618 Posts
Likely not but it wouldn't matter.

My 03 has viscous coupled LSD in the rear, but it is sealed with it's own silicone fluid and gear oil has zero effect on it.

You can use any name brand GL-5 synth or conventional.

Open the fill port first. On some diffs the plugs have been so tight, folks have drained then been unable to fill - and unable to drive the car!
 

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Master Caster
2005 XT, Mildly Modified...2006 XT Limited, Highly Modifed
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16,119 Posts
Open the fill port first. On some diffs the plugs have been so tight, folks have drained then been unable to fill - and unable to drive the car!
This is a very good recommendation.
 
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