Wheel cylinder torx head studs - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 12-26-2006, 11:38 AM   #1
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Default Wheel cylinder torx head studs

I am in the process of changing my wheel cylinders and have run into a snag.

GM used an torx head on the bolt. Does anyone have any idea what size head that is? As close as I can guess, it'* somewhere between a T-30 and T-40. I don't want to buy the wrong one since I can't exactly size it up at the store.

Help!
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Old 12-26-2006, 11:44 AM   #2
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I'll tell you shortly. But give me time to dig into the back end of the Zilla....... I have my new cylinders but they haven't gone in yet.
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Old 12-26-2006, 11:48 AM   #3
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Mechanic Dan and I did this the other night. typically he said the sockets break, therefore you tap on a 7mm? I think and then remove it before the bolt is fully out.

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Old 12-26-2006, 12:10 PM   #4
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106 inch pounds is the torque spec per the 95 FSM.

I'm going out under the car to determine the size I have.
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Old 12-26-2006, 12:16 PM   #5
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Quote:
Originally Posted by willwren
106 inch pounds is the torque spec per the 95 FSM.

I'm going out under the car to determine the size I have.
Yup, I saw in the FSM that the torque spec is 106 inch pounds.

Thanks for taking a look under there for me!
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Old 12-26-2006, 12:23 PM   #6
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Jack the car up. Get the flashlight. Crawl under there. Take a quick look. Come out, look in the toolbox......



.......realize I loaned out my torx sockets to a friend across town.

:(
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Old 12-26-2006, 12:24 PM   #7
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Dang. No problem. I'll run up to Napa and buy a 30, 35, and 40. Which ever ones it isn't, I'll return.

Thanks anyway.

I'll post what size it actually is, too.
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Old 12-26-2006, 12:27 PM   #8
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Chilton'* calls out for a box-end wrench. But doesn't state that it'* torx head. So try a 7mm box end or socket as Boost suggested.
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Old 12-26-2006, 12:28 PM   #9
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im sure if you took the bolt to the store(maybe pep boys) they'd size it up for you
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Old 12-26-2006, 12:30 PM   #10
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Can't get it off to do that.
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