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View Full Version : question about u bolts and rear end gear oil


crazylike
09-12-2008, 05:02 PM
how tight do u bolts have to be on a dana 60 just did an axel swap on my truck today but not sure how tight to torque the u bolts

Happypants
09-12-2008, 05:28 PM
tighten the shit outta them then tourque them to 150ft/lbs, thats what i did on my 8.8 and they havent loosened yet, 3 years,

Trooper
09-12-2008, 05:30 PM
What thread is on the u bolts and what grade nut? All you need is a torque chart.

http://www.imperialinc.com/pdf/A_FastenerTorqueCharts.pdf

B
09-12-2008, 05:40 PM
should be 9/16 we go till our gun stop's and thats 350 lbs ... just remeber they are streach nuts and need to be retourqued allways at least once

crazylike
09-12-2008, 07:14 PM
i tightened up to 110 foot lbs which is what the book calls for but i thought it was a bit on the low side. how much gear oil does the rear end hold 2 litres?

youngun
09-12-2008, 07:35 PM
at my work you tighten them as tight as a 1/2" impact will turn em....

MudRam
09-14-2008, 10:39 PM
tighten em real tight 150-200 ft lbs!! then retighten em after 100-200 km or a real good day on the trail, never reuse the u-bolts or nuts!!!