'22 Expedition Rear Lower Shock Bolt Torque 400 lb ft??

Expy Gator · Dec 16, 2022

The service manual indicates 406 lb ft for this bolt? In all my years of wrenching on cars I have never seen a spec requiring 406 lb ft? Is there a mathematical difference between lb ft and ft lbs? I cant believe this is accurate?

LazSlate · Dec 16, 2022

That is correct. On some Super Duty and F150 Forums people ask how they can do it and the answer is with a torque multiplier or bigger torque wrench. Those bolts need zero play like they are welded.

Polo08816 · Dec 17, 2022

Husky 50 ft. /lbs. to 250 ft. /lbs. 1/2 in. Drive Torque Wrench H2DTWA - The Home Depot

The Husky 1/2 in. Click Torque Wrench has a range of 50 ft./lbs. to 250 ft./lbs. and is made of alloy steel construction for strength and long-lasting performance. Its ergonomically designed handle easily

www.homedepot.com

I'll probably torque that to 250 lb ft and call it a day lol.

ExpyNole · Dec 17, 2022

that can't be right. Cuz I did bilstein 5100s on my '17 F150...and there would've been NO WAY I could break loose 400ft-lb torqued hardware as easily as I did.
That's insane.
I'd use the air gun and do 4 or 5 ugga duggas and call it good.

Squark · Dec 17, 2022

I used this with an impact wrench when I replaced my shocks: https://www.amazon.com/STEELMAN-60160-4-Inch-Torque-Extension/dp/B07D96ZNSM

I figured 400lb-ft was a lot closer than I could have gotten by hand. Note that the torque stick is 3/4", so I bought a 1/2"-to-3/4" adapter from Harbor Freight.

sjwhiteley · Dec 17, 2022

I jacked up the hub (to put weight on it, off the axle stand on the frame), tightened to 250 ft.lbs (there’s no difference between ft.lbs and lb.ft) then used a breaker bar to tighten some more.

Polo08816 · Dec 17, 2022

LazSlate said:
That is correct. On some Super Duty and F150 Forums people ask how they can do it and the answer is with a torque multiplier or bigger torque wrench. Those bolts need zero play like they are welded.

ExpyNole said:
that can't be right. Cuz I did bilstein 5100s on my '17 F150...and there would've been NO WAY I could break loose 400ft-lb torqued hardware as easily as I did.
That's insane.
I'd use the air gun and do 4 or 5 ugga duggas and call it good.

So the F150 has a very different rear suspension design, right?

ExpyNole · Dec 17, 2022

Polo08816 said:
So the F150 has a very different rear suspension design, right?

Front is rather similar. But why on the F150s with rear leaves would it require the same, or same with super dutys?
Doesn't make sense.

LazSlate · Dec 17, 2022

250 is probably good but who knows why Ford came up with that number. I am 100% sure Ford required the 400+ torque for safety and liability reasons. It's a crucial component. And maybe after decades of real world testing they determined this was best.
Much like the brake pedal on all cars is 100 times beefier than it needs to be as it must never fail.

khammer · Dec 19, 2022

I just replaced both front and rear right CCD struts on my '18 limited. I looked at the install instruction on the readyLIFT kit for torque reference since I did not have the service manual at the time. It calls out 145 but I saw mention of 406 on the forums as well. I was able to break the old somewhat rusted mount loose without an impact gun for whatever that's worth.

I did replaced the lower strut mount hardware with new bolt and nut (that nut is a nylon nut). I maxed out my Torque wrench, gave some grunt with pry bar, and figured I would recheck after 500 miles and it should be good. I will have the alignment technician go over the system and check final torques when I take it in after settling.

'18 Limited 502a

'22 Expedition Rear Lower Shock Bolt Torque 400 lb ft??

Expy Gator

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Husky 50 ft. /lbs. to 250 ft. /lbs. 1/2 in. Drive Torque Wrench H2DTWA - The Home Depot

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