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73-87 Chevy _ GMC Trucks => Body, Glass & Paint => Topic started by: Justin84k10 on December 01, 2015, 06:37:07 pm

Title: Breaks
Post by: Justin84k10 on December 01, 2015, 06:37:07 pm

I am going to replace breaks on my truck, 84 k10 and at some point the rear axle was swaped to an 8 lug 14 bolt rear end. I am unsure of how to identify what Parys to buy because I have no idea what does to the axle. Is thier any way to tell what parts I need (drum, shoes, springs Ect) without knowing the year of the axle? Any help would be appreciated

Title: Re: Breaks
Post by: VileZambonie on December 01, 2015, 07:23:32 pm

So you have 6 lug wheels on the front and 8 lug wheels on the back? Sounds like your best bet is to use a K20 application for parts look up.

P.S. Brakes not Breaks. There not their.

Title: Re: Breaks
Post by: Justin84k10 on December 02, 2015, 08:05:47 am

The brake drum looks more like a one ton as if it came off a dually though? And my bad didnt read the post before I put it out

Title: Re: Breaks
Post by: Justin84k10 on December 02, 2015, 08:06:44 am

Yes 6 lug on the front and 8 on the back.

Title: Re: Breaks
Post by: VileZambonie on December 02, 2015, 06:16:41 pm

Full floater? Post a pic, use a K30 application

Title: Re: Breaks
Post by: Justin84k10 on December 03, 2015, 07:26:26 pm

Pretty sure it's a full floater. I'll post a pic tomorrow afternoon when I'm around it!

Title: Re: Breaks
Post by: Justin84k10 on December 04, 2015, 05:49:04 pm

Here's a few

Title: Re: Breaks
Post by: werewolfx13 on December 05, 2015, 12:09:20 am

Based on what I can see of the drum, thats a 3/4 ton 14 bolt full floater with the smaller 11" drums. The smaller drums being the giveaway that its a 3/4 ton axle, as thats the only appreciable difference.

Title: Re: Breaks
Post by: Justin84k10 on December 05, 2015, 11:01:59 am

Here's a few more. Just wanting to make sure

Title: Re: Breaks
Post by: werewolfx13 on December 05, 2015, 11:21:31 am

To be sure, pop the drum off and measure the inside diameter. 11" would be a 3/4 ton, 13" would be either 3/4 or 1 ton.

Title: Re: Breaks
Post by: Justin84k10 on December 06, 2015, 11:12:33 am

How exactly does the drum come off, after I take the tire off it doesn't move and I don't really know much about drum brakes.

Title: Re: Breaks
Post by: 1967KaiserM715 on December 06, 2015, 11:52:21 am

I think the early 14bolts you have to remove hub and wheel bearings. If it was or is a dually axle you have to remove hub to remove drum. Got a pic of drum with wheel removed?


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Title: Re: Breaks
Post by: Justin84k10 on December 06, 2015, 03:23:57 pm

I don't have one currently, I'll take one tomorrow evening

Title: Re: Breaks
Post by: werewolfx13 on December 07, 2015, 12:25:01 am

Quote from: 1967KaiserM715 on December 06, 2015, 11:52:21 am

I think the early 14bolts you have to remove hub and wheel bearings. If it was or is a dually axle you have to remove hub to remove drum. Got a pic of drum with wheel removed?


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Thats correct, removal of the drum is facilitated by removal of one of the axle shafts, then the wheel, and then you might have to back off the adjusters to slide the drum off.

Title: Re: Breaks
Post by: Justin84k10 on December 09, 2015, 03:39:16 pm

Sorry about the late reply, have been organizing my workspace, here's the pictures with the tire off.

Title: Re: Breaks
Post by: 1967KaiserM715 on December 09, 2015, 05:13:11 pm

Yup hub definitely needs to be pulled, which means you'll need the 6 prong socket for the wheel bearings nut


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Title: Re: Breaks
Post by: werewolfx13 on December 12, 2015, 02:12:07 am

I would almost, almost lay money on that being a 3/4 ton rear end with 11" drums. The 13" drums look a little different IIRC.

Title: Re: Breaks
Post by: Justin84k10 on December 13, 2015, 06:41:32 pm

After I pull the hub I'll measure it then just to make sure I order the right stuff. Looks like it could have been a dually though the way the brake drum hangs out of the tire.

Title: Re: Breaks
Post by: werewolfx13 on December 13, 2015, 11:34:08 pm

Thats the way normal SRW 14 bolt full floating axles are set up.

Title: Re: Breaks
Post by: Justin84k10 on December 15, 2015, 07:26:15 pm

Took it off today, 13 inch drum. Now I just have to order parts. Thanks for all of the help!