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Old September 2nd, 2009, 02:10 PM   #1
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Default 2002 duramax crank bolt?

What size socket do I need? Its a 12 point and its big. Replacing the flywheel and that's the only thing holding me up from getting it torn apart.
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Old September 2nd, 2009, 03:39 PM   #2
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36 mm or 1 7/16 fits
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Old September 2nd, 2009, 03:44 PM   #3
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you do know it is faster to measure the bolt than it is to make a thread on the internet asking what size it is and wait for some dumbass that doesnt have a clue to give you a bullshit answer.
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Old September 2nd, 2009, 03:48 PM   #4
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Or I can make a thread and wait for an answer while I work on other cars I have in my shop at the same time. Besides kinda hard to get to the bolt with the fan and shroud in place to measure. So while waiting I got an alignment on a venture done, installed a front ball joint on a BMW and when those were finished, I had my answer on another forum. Worked out for me
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Old September 2nd, 2009, 03:53 PM   #5
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Quote:
Originally Posted by CheapThrillB2 View Post
Or I can make a thread and wait for an answer while I work on other cars I have in my shop at the same time. Besides kinda hard to get to the bolt with the fan and shroud in place to measure. So while waiting I got an alignment on a venture done, installed a front ball joint on a BMW and when those were finished, I had my answer on another forum. Worked out for me
you have alot more ambition than me. i would go on the net, drink a couple beers, stumble across some internet porn and say screw it i will finish it tomorrow
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Old September 2nd, 2009, 04:12 PM   #6
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you have alot more ambition than me. i would go on the net, drink a couple beers, stumble across some internet porn and say screw it i will finish it tomorrow
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Old September 2nd, 2009, 04:15 PM   #7
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Quote:
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you have alot more ambition than me. i would go on the net, drink a couple beers, stumble across some internet porn and say screw it i will finish it tomorrow
x2

but your talking to someone who can build a 4x4 in two weeks and break the front axle in 15 minutes, then repair it again in 10 minutes only to break it again in 15 more minutes.

he is a quick worker for sure.

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Old September 2nd, 2009, 07:41 PM   #8
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x2

but your talking to someone who can build a 4x4 in two weeks and break the front axle in 15 minutes, then repair it again in 10 minutes only to break it again in 15 more minutes.

he is a quick worker for sure.


The breaking the axle part is taking longer then 15 minutes since going one ton though......I'm up to 25 minutes

I work in a shop, so drinking beer and watching porn is out of the question on company time......would be cool though
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Old September 2nd, 2009, 07:58 PM   #9
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good luck those f in bolts are TIGHT!!!! i've read somewhere like 600 ft lbs! mac tools makes this cool tool that worked a couple of times for us, it's a long impact driver u use a hammer on, can't remember what they call it but its about 3 ft long and has a pivot on the end, with an anvil for a 1/2 drive socket, good luck! david
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Old September 2nd, 2009, 08:06 PM   #10
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What bolts?

I do not need to remove the crank bolt (crank bolt is 250 ft lbs to retorque), just turn it to access to the flywheel bolts. I got all the flywheel bolts out using two long 3/8's extensions and a wobble and adapter on my 1/2" impact. Only thing left to do is remove bell housing bolts and hook up trans jack and remove.
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Old September 2nd, 2009, 08:10 PM   #11
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oh ok, sorry misunderstood! we have to loosen the bolt for water pump removal, that bitch is tight! sorry again, good luck ! david
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Old September 3rd, 2009, 10:11 AM   #12
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Man those flywheel to crank bolts SUCKED!!!!!!!!!!!!!!!!!!
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Old September 4th, 2009, 11:39 AM   #13
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isn't there a access plug somewhere on the bellhousing area? that is how they suggest to hold the engine from turning to remove the crank bolt
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Old September 4th, 2009, 11:42 AM   #14
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Yopur suppose to have a specific tool to bolt to the starter holes that holds the flywheel to crack the stuff loose...........

<----don't have that tool, its all torn down just waiting on the new flywheel bolts
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