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Allen wrench size for 5.3 LS engine?

Tiny
LV2BOWL
  • MEMBER
  • 2003 GMC YUKON
  • 5.3L
  • V8
  • 2WD
  • AUTOMATIC
  • 100,000 MILES
I have even watching your series on rebuilding a 5.3l ls engine. Mine is a 2003. What is the big Allen wrench size I need for that engine?

Thank you
Friday, July 23rd, 2021 AT 1:24 AM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,700 POSTS
Hi,

First, thank you for watching. Your interest is appreciated.

As far as the allen wrench, which bolts are you referring to?

Let me know.

Take care,

Joe
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Friday, July 23rd, 2021 AT 8:00 PM
Tiny
LV2BOWL
  • MEMBER
  • 2 POSTS
To be honest I was just going through the videos. I can't find what it was going on. It was a large one either 13mm or 17mm hex wrench?
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Friday, July 23rd, 2021 AT 10:20 PM
Tiny
RYAN L
  • ADMIN
  • 256 POSTS
Hey thanks so much for watching the Summit Racing sponsored How to Build a LS series! I'd be happy the answer your question if you could provide me with which video and timestamp you are referring to.

Thank you for using 2CarPros!

Best,
Ryan
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Saturday, July 24th, 2021 AT 12:38 PM

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