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Author Topic: Possible axle knuckle or yoke question  (Read 9441 times)

Offline moshrider3

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Possible axle knuckle or yoke question
« on: June 16, 2016, 08:02:55 am »
Hi everyone, this is my first time posting here so if in doing anything wrong please let me know. Recently I purchased a 1977 gmc k10 and have been doing some work to it.

I wanted to do a quick rotor and brake change but did not know how much work was involved. Anyway, I'm having trouble figuring out what I need, or the name of the part I'm looking it. The picture is attached below



I believe it is the yoke and the larger part connected to the hub is the knuckle? I noticed one of the rubber seals or maybe bushing was ripped apart, I tried to show it best in the picture.
If anyone knows what part or parts kit I need, it would be greatly appreciated. Thanks!


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Offline Irish_Alley

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Re: Possible axle knuckle or yoke question
« Reply #1 on: June 16, 2016, 08:18:55 am »
that would be a lower ball joint. you dont have to change them to change the rotors. we do have a write up that may help
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Offline Irish_Alley

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Re: Possible axle knuckle or yoke question
« Reply #2 on: June 16, 2016, 08:24:54 am »
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Offline moshrider3

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Re: Possible axle knuckle or yoke question
« Reply #3 on: June 16, 2016, 09:13:41 am »
Ah okay thanks for the information


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Offline moshrider3

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Re: Possible axle knuckle or yoke question
« Reply #4 on: June 16, 2016, 09:14:32 am »
The reason I'm changing it is because of the tear in that rubber piece


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Offline moshrider3

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Re: Possible axle knuckle or yoke question
« Reply #5 on: June 16, 2016, 09:16:37 am »
Quote from: Irish_Alley on June 16, 2016, 08:18:55 am
that would be a lower ball joint. you dont have to change them to change the rotors. we do have a write up that may help
Does it make a difference if the axle is a Dana 44, don't they have kingpins instead of ball joints?


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Offline Irish_Alley

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Re: Possible axle knuckle or yoke question
« Reply #6 on: June 16, 2016, 10:16:16 am »
afaik only the dana 60 would have a kingpin. never seen a 44 with the kingpin. that one link is a 2wd so its a slightly different setup but its pretty much the same setup
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Offline moshrider3

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Re: Possible axle knuckle or yoke question
« Reply #7 on: June 16, 2016, 10:19:00 am »
Quote from: Irish_Alley on June 16, 2016, 10:16:16 am
afaik only the dana 60 would have a kingpin. never seen a 44 with the kingpin. that one link is a 2wd so its a slightly different setup but its pretty much the same setup
Okay thank you for the info, it looks pretty straightforward. I figured while I have everything off I might as well replace it now.


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Offline Irish_Alley

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Re: Possible axle knuckle or yoke question
« Reply #8 on: June 16, 2016, 10:22:44 am »
yes and maybe u joints for the axle shafts if theyre sloppy
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Offline moshrider3

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Re: Possible axle knuckle or yoke question
« Reply #9 on: June 16, 2016, 11:48:43 am »
Ok, it looks like this would be the correct one? The one with the red arrow. I'll have to check them when I get home


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Offline Irish_Alley

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Re: Possible axle knuckle or yoke question
« Reply #10 on: June 16, 2016, 12:13:34 pm »
i would go with the 371 due to the fact no fitting. the hole for the fitting some tend to think it makes a weak spot for them to break. i cant verify this but ive heard more than one person talk about it even the off road tv shows
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Offline hatzie

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Re: Possible axle knuckle or yoke question
« Reply #11 on: June 17, 2016, 09:37:15 am »
Under normal operating conditions the hole for the grease fitting will not make a bit of difference.
It'd be nice if the joints could be had with low profile fittings in the caps.
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Offline Peter S

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Re: Possible axle knuckle or yoke question
« Reply #12 on: June 17, 2016, 10:23:21 am »
Quote from: hatzie on June 17, 2016, 09:37:15 am
Under normal operating conditions the hole for the grease fitting will not make a bit of difference.
It'd be nice if the joints could be had with low profile fittings in the caps.

They are available...MOOG p/n 377


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-Peter

1978 K10 stepside

Offline Irish_Alley

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Re: Possible axle knuckle or yoke question
« Reply #13 on: June 17, 2016, 12:44:57 pm »
ive seen them have a screw to remove then you have to put a zerk fitting in it when you want to grease. i think thats the style from moog
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Offline Peter S

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Re: Possible axle knuckle or yoke question
« Reply #14 on: June 17, 2016, 06:53:49 pm »
This is a joint from MOOG. It has a grease fitting installed that requires filling with a needle.

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-Peter

1978 K10 stepside
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