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post #1 of 7 Old 11-26-2012, 02:25 PM Thread Starter
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U bolts

Hello to all,

My question is simple. I am replacing my rear leaf springs and I'm wondering how important it is to replaced my u-bolts.

Do I need to use new u-bolts? Or, will my truck be fine with using the old ones with my new leaf springs?

2006 f250


Thanks.

“Two things are infinite: the universe and human stupidity; and I'm not sure about the universe.”
― Albert Einstein

2006 F250-Sinister coolant filter, Amsoil bypass oil filter, CTS Edge, 5" MBRP exhaust (off road), blue spring....
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post #2 of 7 Old 11-26-2012, 02:55 PM
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Depending why you are changing your springs, the short answer is, yes you can reuse them.

Frank
2007 F-250 Lariat Crew. MBM 190/50s,
KC-68 Stage 3 Turbo,
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Stiction Problems - Fix it yourself! - http://www.powerstroke.org/forum/gen...ml#post4509754
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post #3 of 7 Old 11-26-2012, 02:56 PM
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Technically they are a torque to yield bolt and arent "supposed" to be reused. HOWEVER, many people reuse them. Look at the condition of the ubolts, the threads, rust, etc and make a decision based off what kind of shape they are in.

Precision Metal Fab
Trevor Hall
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post #4 of 7 Old 11-26-2012, 03:09 PM Thread Starter
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The u-bolts appear to be in good condition. I'm replacing my stock springs withe new stock springs because the previous owning carried some heavy loads and the springs are bent from resting on the bump stops.

My intention was to replace the u-joints with the leaf springs, but ford wants $49 for one..... That is $200 for a set of four. So that's why I was asking. It's pricey but is it really needed

“Two things are infinite: the universe and human stupidity; and I'm not sure about the universe.”
― Albert Einstein

2006 F250-Sinister coolant filter, Amsoil bypass oil filter, CTS Edge, 5" MBRP exhaust (off road), blue spring....
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post #5 of 7 Old 11-26-2012, 03:24 PM
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Even though the load is carried by the springs, the reality is there could have been a lot of side shear on the bolts if the truck was overloaded! $200 is pretty cheap compared to one letting go. i was initially thinking you were going to softer or taller springs.

Frank
2007 F-250 Lariat Crew. MBM 190/50s,
KC-68 Stage 3 Turbo,
DashBoss/F/P, and a few other goodies
Stiction Problems - Fix it yourself! - http://www.powerstroke.org/forum/gen...ml#post4509754
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post #6 of 7 Old 11-26-2012, 03:37 PM
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We sell ubolts for $75 for a set of 4 and they are actually on sale till midnight tonight at 10% off. Use coupon code "givethanks" on our website at pmfsuspension.com.

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post #7 of 7 Old 11-26-2012, 03:37 PM
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If you do decide to go with new u-bolts, sunrise ford has them for roughly $14 a piece. I ordered my 350 bolts from them when I swapped to 350 rear blocks.

06 F250 CCSB FX4
SCT SF3
ELC | T6
CTS | EGT
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High Idle
Blue Spring | FP Gauge
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