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Torque setting on crankshaft pully.

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Old 05-04-2011 | 02:14 PM
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karlj's Avatar
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Torque setting on crankshaft pully.

I'm changing the underdrive pulleys on my 4.6 and was wondering what the torque would be on the crankshaft pulley?

Thanks
Old 05-04-2011 | 08:01 PM
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I believe the torque spec for the drive belt pulley is 19 ft-lb.
Old 05-04-2011 | 09:14 PM
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19?.... If I recall it's something like 90ft lbs then an additional 180 degrees or something like that. Also make sure you use a new bolt. Make sure you find out the exact numbers.
Old 05-04-2011 | 09:17 PM
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I was off on my numbers. Here is the correct method.

1. Torque bolt to 66 lb-ft.
2. Loosen bolt one full turn
3. Torque bolt to 37 lb-ft.
4. Tighten bolt an additional 90 degrees.
Old 05-04-2011 | 10:03 PM
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Originally Posted by Whosit
I was off on my numbers. Here is the correct method.

1. Torque bolt to 66 lb-ft.
2. Loosen bolt one full turn
3. Torque bolt to 37 lb-ft.
4. Tighten bolt an additional 90 degrees.

Sorry, you are absolutely right. I was looking at the wrong thing.
Old 05-05-2011 | 04:55 PM
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Originally Posted by Whosit
I was off on my numbers. Here is the correct method.

1. Torque bolt to 66 lb-ft.
2. Loosen bolt one full turn
3. Torque bolt to 37 lb-ft.
4. Tighten bolt an additional 90 degrees.
That is it exactly, I looked it up on the Internet then found the settings printed on a sheet of paper in the box with the directions that Steeda sent with the pulley's. Mechanic is coming to the house tonight to change them for me. All I have to do is supply the beer. If he doesn't get here soon I will have to re-stock. The beer that is.Thanks guy's

KJ
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