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How do I measure 88-90 ft-lbs of torque?
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12-04-2007, 10:17 PM | #1 |
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How do I measure 88-90 ft-lbs of torque?
"Now fully tighten the lugs, I believe BMW spec is around 88-90 ft-lbs of torque."
How do I measure this? Is there some inexpensive device I can buy?
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12-04-2007, 10:24 PM | #2 |
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theres a torque wrench you can get, it has a dial which you can use to set your desired torque and just tighten it hard untill the wrench clicks
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12-04-2007, 10:35 PM | #3 |
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I want to put my tires on now. But the auto stores are closed. Can i overtighten it and adjust it tomorow with the wrench? Will that cuase any damage?
I work like 40 miles out of town and theres a ton of ice and snow on the freeway. So I want to put my tires on asap
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12-04-2007, 10:49 PM | #5 |
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dang lol. thats how I made sure my wheels where tight on my civic. Jump on the wrench until I heard a clicking noise.
SO how do I know when its tight enough?
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12-04-2007, 11:41 PM | #7 |
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Torque wrench from Habor Freight. Check it out, or search for it on google.
Great and cheap torque wrench for these types of situations, ~$20. It is hard to gauge how much torque is for various parts, especially if you are not used to it or have a lot of experience. The torque may also feel different with different tools too, depending on how long it is, etc. Don't be cheap. Unevenly torqued nuts/lugs can cause damaged wheels/rotors/hubs/etc, since they are getting uneven stresses/torques. -Don |
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12-05-2007, 04:50 AM | #10 |
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iF You have a spring balance you can tighten the nut by pulling the balance on the end of a 2 foot lever until it reads around 45lbs. Or 90lbs on a 1 foot lever.
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12-05-2007, 08:49 AM | #11 |
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12-05-2007, 10:09 AM | #13 |
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Torque wrenches can get pricey. I got one of the "beam" style. Not the most accurate I wouldn't imagine, but it'll get you close enough. I got it a few years back and think I paid around 30 for it at sears.
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12-05-2007, 11:02 AM | #14 | |
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Quote:
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12-05-2007, 12:11 PM | #15 | |
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Quote:
-Don |
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12-06-2007, 02:42 PM | #16 |
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It's also important that you torque the bolts in the star pattern, crossing over to the bolt on the opposite side as you go. I start all of them lightly, then torque in the star pattern.
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12-06-2007, 02:49 PM | #17 |
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+1, same here
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