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Old 12-16-2011, 01:29 PM   #1 (permalink)
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Question Lug Nut Torque?

I've searched the manual pretty thoroughly, but cannot find the lug nut torque for my 2011 Outback with alloy wheels. I'd guess it would be about 90 lb-ft. I'm doing my 7500 mile service tomorrow while it's warm here - 55F before winter officially starts....tho we've still got ice on the local roads from snow a week ago .

Anyone have a official spec?

Thanks,

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Old 12-16-2011, 01:54 PM   #2 (permalink)
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Boy, I'm no help! I've been tightening mine on all vehicles for 40 years and always torqued them to two grunts or until the wrench imprinted it's manufacturer symbol in my palm.
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Old 12-16-2011, 02:03 PM   #3 (permalink)
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80 to 90 ft lbs is pretty much standard for all lug nuts on all cars
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Old 12-16-2011, 02:42 PM   #4 (permalink)
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Here ya go...

Wheel Tech - Wheel Lug Torquing

and it looks like Subaru uses 12x1.25 lugs

http://lugpattern.net/Subaru_Bolt_Patterns.htm

80-90 looks pretty safe.

Also make sure you recheck the torque after a few hundred miles.

(google is your friend )
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Old 12-16-2011, 06:55 PM   #5 (permalink)
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With subies, the standard throughout the years has been closer to the 65-75 ft-lb range (My first gen Haynes manual says 67 ft lbs). I torque mine to 70 and never have issues, but I don't think you will to any harm over torquing them.
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Old 12-16-2011, 07:58 PM   #6 (permalink)
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Per manual it is 88 Ft/Lbs...
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Old 12-16-2011, 09:53 PM   #7 (permalink)
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Owner's manual says 89ft-lb. Service manual says 88.5ft-lb. I did 89ft-lb as best I could with my torque wrench which has a margin of error of plus/minus 4%.

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Old 12-16-2011, 10:50 PM   #8 (permalink)
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88.5 lb-ft (or 120 Nm if you are on that side of the pond). Straight out of the shop manual.
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Old 12-17-2011, 07:54 AM   #9 (permalink)
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This question reappears frequently . . . .

As noted above, the wheel nut torque specs is in the Owners Manual. For 2011, its on page 12-8 (Specifications), and in other years either in that section or in the "in case of emergency" section on changing tires.

Also, the spec has changed over the years -- I wouldn't generalize. See Lug Nut Torque
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Old 12-17-2011, 09:50 AM   #10 (permalink)
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^ thanks for the link....

Out of curiosity, anyone have any idea why the specs change so much? Different wheel materials create different friction amounts? I noticed Chrome wheels on the Tribeca were much higher...
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