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  #1  
Old 05-23-2016, 10:04 AM
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Do I need spring compressor to change lower ball joints?

On the 1984 300DT, do I need a spring compressor change the lower ball joints and lower control arm bushings?
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  #2  
Old 05-23-2016, 10:10 AM
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Bushings yes, ball joints no.
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  #3  
Old 05-23-2016, 10:32 AM
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Thank you, now I know what I need to do.
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  #4  
Old 05-25-2016, 12:18 AM
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Read the many posts on changing the lower ball joints. No spring compressor, but you will need to remove the spindle. Getting the old ball joint out is easy (framing hammer). Pressing the new one in is more challenging. You need the special C-press (free rental). A shop press only works w/ a special adapter tube that fits around the spindle.
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  #5  
Old 05-25-2016, 01:55 AM
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The official MB tool works like butter. My Indy loaned me his. I`ve been looking for a used one, but they cost more than a rusted out W123.


400 × 250 - sirtools.com



Here is one for $100 but you will need to spend $200 for a hyd Press.
Or if you know someone with a press would be cool and cheaper.

760 × 692 - benzworld.org




Or you can use ROLLGUY`s method of making an adaptor and the HF big "C" Press.

Ball joint replacement using HF kit and home made adapter


You will have to beat the Lower Ball joint out with a BFH and a Socket on the end of the BJ.

I used FUNOLA`s Red Neck method, worked great and I didn`t have to hold the Steering Knuckle with one hand and beat with the other.

Red neck lower ball joint removal

Or stick it is a vice.


1280 × 960 - benzworld.org




Charlie
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  #6  
Old 05-25-2016, 08:46 PM
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[QUOTE=charmalu;3601333The official MB tool works like butter. My Indy loaned me his. I`ve been looking for a used one, but they cost more than a rusted out W123. ]

The magic mb ball joint tool⚡️ one site that sold the ball joints said if you don't have the magic tool then don't get the Lemforder ball joint... 🤔 So guess I would settle for less thinking an indy may have trouble pressing in Lemforder?
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  #7  
Old 05-26-2016, 01:51 PM
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Quote:
Originally Posted by charmalu View Post
....
Here is one for $100 but you will need to spend $200 for a hyd Press.
Or if you know someone with a press would be cool and cheaper.

[URL="https://www.google.com/imgres?imgurl=http%3A%2F%2Fwww.benzworld.org%2Fforums%2Fattachments%2Fw123-e-ce-d-cd-td%2F503782d1364017442-suspension-parts-mercedes-ball-joint-tool.jpg&imgrefurl=http%3A%2F%2Fwww.benzworld.org%2Fforums%2Fw123-e-ce-d-cd-td%2F1703394-suspension-parts.html&docid=QCvdy7ThUCl4KM&tbnid=SSnqo3SAvdFr2M%3A&w=760&h=692&bih=521&biw=1093&ved=0ahUKEwiAh9yhuvTMAhWEuRQKHf-DBDI4ZBAzCAcoBDAE&iact=mrc&uact=8"] 760 × 692 - benzworld.org
....


Charlie
Here is my version of this tool. I made with a $5 pipe from the remnant pile from my local steel yard. It measures 60.8mm outer diameter and 49.8mm inner diameter. With a $3 dollar Harbor Freight cut off blade, I took off the side to make it fit the knuckle. Works great. With my 20 ton press, it drives the new ball joint down in less than 1 minute. I've done 6 ball joints in the past few years with this $8 dollar tool.







.
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Do I need spring compressor to change lower ball joints?-balljointpresstool1.jpg   Do I need spring compressor to change lower ball joints?-balljointpresstool2.jpg  
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  #8  
Old 05-26-2016, 02:09 PM
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I made due with a loaner balljoint press from from a parts store. The big requirement was that you need a very short die that fits the outside diameter of the balljoint with the boot removed, and I had to use my impact set on high for quite a while to get it to slide in. The die needs to be roughly 1/2" long, then the set will have some stepped spacers that have a hole in them for the threads of the balljoint to fit through. It wasn't a particularly fun job. You could probably find a metal shop with the right diameter tubing who is willing to cut you the short spacer. (The one in my kit had a bit of a bevel cut to the spacer, which meant I had to rotate the spacer a few times to get it pressed in evenly)

The cutout tubing piece that DeliveryValve and charmalu show seems like a nice solution too.
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  #9  
Old 05-26-2016, 02:14 PM
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Quote:
Originally Posted by DeliveryValve View Post
Here is my version of this tool. I made with a $5 pipe from the remnant pile from my local steel yard. It measures 60.8mm outer diameter and 49.8mm inner diameter. With a $3 dollar Harbor Freight cut off blade, I took off the side to make it fit the knuckle. Works great. With my 20 ton press, it drives the new ball joint down in less than 1 minute. I've done 6 ball joints in the past few years with this $8 dollar tool.







.
Nice! Monkeys figured out to use stones to crack nuts. This is a few steps beyond that lol. With that tool, I think you should be able to drive it in with a 3 lb hammer, press not really needed.
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  #10  
Old 05-26-2016, 02:51 PM
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Quote:
Originally Posted by Demothen View Post
I made due with a loaner balljoint press from from a parts store. The big requirement was that you need a very short die that fits the outside diameter of the balljoint with the boot removed.....

The cutout tubing piece that DeliveryValve and charmalu show seems like a nice solution too.
With this tool I have, the advantage is it fits the Lemförder balljoint without taking the boot off. It also fits a Meyle joint also.


Quote:
Originally Posted by funola View Post
Nice! Monkeys figured out to use stones to crack nuts. This is a few steps beyond that lol. With that tool, I think you should be able to drive it in with a 3 lb hammer, press not really needed.
Maybe, but the press drives it in steady and nicely.


.
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  #11  
Old 05-26-2016, 05:57 PM
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So, in Red Neck talk,
60.8mm = 2.39370079 inch.
49.8mm = 1.96062992 inch.

Good looking tool. Looks like black iron pipe.
What`s the length from the top of the knuckle to the top of the pipe?. Maybe 6"?
What kind of a press did you buy? remember you were looking for one a while back.

Charlie
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there were three HP ratings on the OM616...

1) Not much power
2) Even less power
3) Not nearly enough power!! 240D w/auto

http://i30.photobucket.com/albums/c3...ilys/boobs.gif


Anyone that thinks a 240D is slow drives too fast.

80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff

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  #12  
Old 05-26-2016, 07:28 PM
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Hey Charlie, yeah you were sending me those craigslist list ads, egging me on, and then one came up not too long after. 20 ton Central Pneumatic for for $75. Couldn't pass it up. Then I started using it for all sorts of stuff. Had to make a few jigs for it.
Charlie, You definitely need on of these things in your shop.

Yes that is black iron pipe. If you measure from the top of the cutout to the end of the pipe, it is 4 1/2 inches. I made it long enough so the ram of the press would fit inside it and not hit the knuckle.


.
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  #13  
Old 05-26-2016, 08:50 PM
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Excellent tool

Impressive tool.

I took my knuckles off and brought them to an automotive machine shop. They used one guy as a vice and a very large 2lb? Ball peen hammer to knock the joints out. They were rusty.

Then they used this OTC press kit (c frames and cups) in a big case to press in the joints. Used an air impact driver.

I was hoping they were going to use the hydraulic press but they just couldn't get it in. I paid them a C note when it was done and put the knuckles back on my car.
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  #14  
Old 05-26-2016, 11:05 PM
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Charlie do you know if that tool made by sir tools.com works also for the ball joints in a W124?
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  #15  
Old 05-26-2016, 11:06 PM
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Quote:
Originally Posted by benzguy300 View Post
Charlie do you know if that tool made by sir tools.com works also for the ball joints in a W124?
I guess it would, but it's unnecessary. 124 ball joints press into the control arm.
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