Axle U-bolt Torque ???
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Freshman User
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Axle U-bolt Torque ???
Hello I just added a 1/2 inch spacer on my truck(rear axle). And I was wanting to know what is the torque specs for the u-bolt nuts?
Right now they are 80ft pounds but I cannot find what the factory torque
specs nowhere. Thanks for the help. By the way 2006 4X4 screw.
Right now they are 80ft pounds but I cannot find what the factory torque
specs nowhere. Thanks for the help. By the way 2006 4X4 screw.
Senior User
Joined: Sep 2006
Posts: 392
Likes: 2
This is from the service manual for light duty trucks. Heavy duty (7700) are much higher.
Remove the 4 U-bolt nuts, the U-bolt plate and the 2 U-bolts. Discard the nuts and the U-bolts.
To install, tighten the U-bolt nuts in 4 stages.
Stage 1: Tighten in a cross pattern to 35 Nm (26 lb-ft).
Stage 2: Tighten in a cross pattern to 70 Nm (52 lb-ft).
Stage 3: Tighten in a cross pattern to 100 Nm (74 lb-ft).
Stage 4: Tighten in a cross pattern to 133 Nm (98 lb-ft).
Remove the 4 U-bolt nuts, the U-bolt plate and the 2 U-bolts. Discard the nuts and the U-bolts.
To install, tighten the U-bolt nuts in 4 stages.
Stage 1: Tighten in a cross pattern to 35 Nm (26 lb-ft).
Stage 2: Tighten in a cross pattern to 70 Nm (52 lb-ft).
Stage 3: Tighten in a cross pattern to 100 Nm (74 lb-ft).
Stage 4: Tighten in a cross pattern to 133 Nm (98 lb-ft).
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