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Best method to remove the Steering Knuckle Arm from the Knuckle?

Jake59

Active member
167
94
28
Location
Kaggevinne, Flanders, belgium
Hi,

Am in the phase of fixing mechanical issues on my M1009.

Need to replace the Upper and Lower Ball Joints and thus also removed the 3 nuts holding the Steering Knuckle Arm to the Knuckle.
But the Steering Knuckle Arm is still rock solid attached to the Knuckle, despite beating and prying...

Any tricks how to loosen the Steering Knuckle Arm and unlocking these conical tapered adapters without destroying?

Cheers,
Jake
 

ssdvc

Well-known member
971
639
93
Location
CT
Ball Joint Tool and Pickle Fork, both available to rent (for free) at AutoZone. They are time and damage saveing tools.
 

cucvrus

Well-known member
11,263
9,552
113
Location
Jonestown Pennsylvania
You do NOT need to remove the steering arm to change ball joints. But removing that upper steering arm is a real task. I just removed a lift kit from an M1009 and it had a 4" lift arm on the knuckle. I beat on it with a brass hammer and a punch till I just gave up. I did remove another left knuckle from another parts M1009 axle. I did manage to get the 4" lift kit bracket from the knuckle. But long after I had the axle back in the M1009 rebuild. Good Luck. You must get the cones out of the hole. A lot of penetrating oil and tapping will get I done. But like I said you do NOOT need to remove it to replace the ball joints. I have a Mac ball joint press and can change them in about 30 minutes once they are off the axle housing. That was easy.
https://www.steelsoldiers.com/showthread.php?173878-1986-CUCV-M1009-Decade-after-being-wrecked/page8
 

beltfedonly

Member
168
6
18
Location
Wilson/NC
If you will hit the arm from the side it will peel the cones out. Use a four pound hammer and hit it hard and you will see the cones loosen.
 

OLDCHEV4X4

New member
690
2
0
Location
Glenmoore PA
Those steering arms are never fun. I use about a 8 lb sledge hammer and hammer down and up on the far end. Liberal applications of Kroil or PB Blaster. Repeat.
Once you see one start to loosen, i get a punch in the crack of the cone and try to turn it.
I saw one mechanic weld nuts to the studs and turn them out. I didn't like that method.
Good luck.
 

Jake59

Active member
167
94
28
Location
Kaggevinne, Flanders, belgium
Good morning,

Used some de-rust oil and a 5LBS hammer... eventually the cones came loose one after the other and with some more hitting hard the arm came off as well.
No real damage except for some hammering bruzes on the steering arm, but that thing is made to handle a lot more.

Need to clean all rust and will install with good coating of grease to prevent any new rusting together in future...

Ball joints cam out of knuckle surprisingly easy... now need to clean and de-rust it all and then reassembly can start.

Thanks to all for you advice, it really makes the difference!!

Cheers,
Jake
 

nyoffroad

Well-known member
895
601
93
Location
Rochester NY
Hmm, I know I'm old and don't remember some things buuuut I don't remember EVER having to remove the arm to change a ball joint! Just like I never removed the whole knuckle at the ball joints to remove the axle yet some people do.
 

OLDCHEV4X4

New member
690
2
0
Location
Glenmoore PA
Hmm, I know I'm old and don't remember some things buuuut I don't remember EVER having to remove the arm to change a ball joint! Just like I never removed the whole knuckle at the ball joints to remove the axle yet some people do.
Yea i dont remove the arm either when doing ball joints. I think it might depend on what ball joint press you have. I use a old Kent Moore that was my granddads and it works fine with the arm on the knuckle.
 

Jake59

Active member
167
94
28
Location
Kaggevinne, Flanders, belgium
Hi,

Yes you ar correcct, it is not a must to remove the steering arm from the knuckle to replace the upper and lower ball joints.
It does make it easier however, as then I can use my hydraulic press... which I did not need nor use to remove the old ball joints as they came out surprisingly easy with a couple of aimed hits with a hammer.

But for reinstalling the new ball joints, I want to go carefully without damaging the new parts.

Jake
 

cucvrus

Well-known member
11,263
9,552
113
Location
Jonestown Pennsylvania
The ball joints should be pressed in and pressed out. Beating them out will distort the knuckle assembly. But do as you wish. I have used a big F clamp and a deep socket and used it on many ball joints before I bought the Snap-On ball joint C clamp press. But do as you wish. Beating them out sounds bad and unsafe.
 

Jake59

Active member
167
94
28
Location
Kaggevinne, Flanders, belgium
Thanks CUCVRUS,

I'll keep that in mind.
As mentioned, did not have to go hard to remove the old ball joints and still need to clean the knuckle up before I can install the new ball joints, which I will wisely press in.

Thanks,
Jake
 
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