Generation IV External Engine - Help! What size is this hex key?
04-29-2010, 12:04 AM
I need to take off the plug on this LS7 block but I don't know the size of the hex key. I need to buy the right size allen wrench or hex socket so I can pull it off tomorrow. I really appreciate the help. This is the coolant jacket plug on the block.
04-29-2010, 12:06 AM
I just realized there are 2 hex plugs in the pic. The one with the white and blue mark is the one I'm interested in. It's pretty big.
04-29-2010, 12:07 AM
Dont know the size but you can get a hex set for less than 10 bucks at home depot.
04-29-2010, 12:22 AM
This is a big ass hex size. It's one of the more oversized ones. I don't think the 10 dollar set will cover this particular size.
02 BLK WS6
04-29-2010, 02:11 AM
I don't know what size it is, but you'll probably have to go to a real tool store to get the right size. That's not as big as the oil filter adapter on a Jeep 4.0.
04-29-2010, 10:12 PM
K I figured it out so for future searchers. The hex size is a 17mm. Cheers.
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