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Is it possible that on a replacement the left and right control arms could be switched by mistake?

Tiny
GORPYGORDON
  • MEMBER
  • 2021 FORD EXPEDITION
  • 4.6L
  • V8
  • 2WD
  • AUTOMATIC
  • 87,000 MILES
Also how important is the ball joint torque for the upper? I understand for this model it should be 57 foot pounds. Is this correct?

Thank you
Thursday, July 1st, 2021 AT 5:14 PM

7 Replies

Tiny
DANNY L
  • MECHANIC
  • 5,648 POSTS
Hello, I'm Danny.

It seems you might have provided incorrect vehicle information. A 2021 Ford Expedition only came with a 3.5L turbo V-6 engine. Can you get back to us with the correct information and we'll go from there. Hope this helps and thanks for using 2CarPros.
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Thursday, July 1st, 2021 AT 7:46 PM
Tiny
GORPYGORDON
  • MEMBER
  • 4 POSTS
Sorry, my engine is not a turbo and it has clearly marked on the air filter (Painted) 4.6 Liter and it is a V8 Thank you for your help. Mine is a 2001 Expedition (my mistake maybe).
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Thursday, July 1st, 2021 AT 8:04 PM
Tiny
DANNY L
  • MECHANIC
  • 5,648 POSTS
Hello again.

To answer your questions no, upper control arms cannot be installed on the wrong sides. They physically would not fit due to design. Yes, the ball joint torque is important to provide structural integrity. Yes, the proper torque is 57-77 lb-ft or 77-103 NM. I've attached the specification picture below. Hope this helps and thanks again for using 2CarPros.

Danny-
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Thursday, July 1st, 2021 AT 11:30 PM
Tiny
GORPYGORDON
  • MEMBER
  • 4 POSTS
Thank you. Most appreciated.
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Friday, July 2nd, 2021 AT 8:54 AM
Tiny
DANNY L
  • MECHANIC
  • 5,648 POSTS
You're welcome!
Thanks again for using 2CarPros and we hope you will use our site again in the future when needed.

Danny-
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Friday, July 2nd, 2021 AT 11:57 PM
Tiny
GORPYGORDON
  • MEMBER
  • 4 POSTS
Thank you.
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Saturday, July 3rd, 2021 AT 8:55 AM

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