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  #1  
Old 06-29-2014, 08:40 PM
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Coil Spring Compressor

So I bought new spring pads and a coil spring compressor:

Amazon.com: Telescopic Coil Spring Compressor Strut Tool For Mercedes-Benz 5 piece W123 W114 W202 W124 W126: Automotive

And I cannot figure out how this is supposed to work. I know, small disk opening on the bottom of the spring and large opening at the top. Insert compressor, aka binding tool from hell, and turn 60 degrees to lock it in. Then turn tool and it will compress. Well it does compress, as it drives the threaded rod right into the lower control arm and binds solid.

Am I doing something wrong?!

Very frustrating!

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  #2  
Old 06-29-2014, 10:02 PM
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What car are you working on?
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
1987 190D 2.5-5SPEED!!!

1987 300TD
1987 300TD
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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  #3  
Old 06-29-2014, 10:12 PM
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85 300CD.

The shaft is telescopic. grab the top section and turn the nut on the top. turn it to the right, and the lower section should suck in.

Sure you are turning it the correct direction? Iam sure you are and know righty tighty, lefty loosey

Unless it was machined with a left had thread?


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

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

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

We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works
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  #4  
Old 06-29-2014, 10:30 PM
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Front or rear springs? I found this one does not work on the front springs, only on the rear of our W123. I returned it, but it cost me shipping to send it back.
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  #5  
Old 06-29-2014, 11:38 PM
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Quote:
Originally Posted by crazy4diesel View Post
Front or rear springs? I found this one does not work on the front springs, only on the rear of our W123. I returned it, but it cost me shipping to send it back.
I have one that looks like the one in the link. Works for the fronts, used it about 5 times.
On the rears, once the Shocks are removed, Calipers removed and hung up. lowering the Differential after the 4 13mm bolts are removed, the Springs should just fall out. Unless the wagons are different.

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

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

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

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

We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works
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  #6  
Old 06-30-2014, 12:42 AM
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This is not a pic of the one that you have but the Circled part that is the same on your tool has fit down into the Hole that is in the top of the Spring Perch (you cannot access it without opening the Hood).

On the Copies of the Tool that head is too fat and you need to enlarge the inside diameter of the Hole in the SPring Perch.
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Coil Spring Compressor-coil-spring-compressor-oem-mercedes-banz-circled.jpg  
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  #7  
Old 06-30-2014, 01:31 AM
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Sorry, yes it is an '85 CD, doing the front springs, and yes I enlarged the holes.

The problem I'm having is when you tighten the part you have circled 911, the threaded portion that starts to emerge from the bottom then digs into the lower control arm. So the spring is indeed compressing, but that threaded rod just replaces it.

I'll take a picture tomorrow.

Last edited by Tmadia; 06-30-2014 at 02:18 AM.
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  #8  
Old 06-30-2014, 05:24 AM
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I have a JTC 1801. Start 2-3 coils up from the bottom, it allows enough room for the bit of shaft that protrudes. Get the upper perch as high as you can. I did 3 sets the other day and got them out easily enough.
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  #9  
Old 06-30-2014, 07:06 AM
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I have used that tool hundreds of times on 123's if it's hitting anything you have the plates in the wrong spot.

Both wheels have to be off the ground, the plates need to be rotated as high, and as low as you can get them on the springs, then you just crank until the coils touch, and the springs fall out.
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
1987 190D 2.5-5SPEED!!!

1987 300TD
1987 300TD
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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  #10  
Old 06-30-2014, 07:16 AM
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Quote:
Originally Posted by charmalu View Post
I have one that looks like the one in the link. Works for the fronts, used it about 5 times.
On the rears, once the Shocks are removed, Calipers removed and hung up. lowering the Differential after the 4 13mm bolts are removed, the Springs should just fall out. Unless the wagons are different.

Charlie
I used it fine on the rear springs without doing any of that except of course removing the shocks. The fronts this compressor will not fit through the opening of the body of the car, if you want to use this one you'll have to open the sheet metal it appears to be around 1/16th of an inch.
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  #11  
Old 06-30-2014, 07:27 AM
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He's not saying the compressor won't work, he's saying it's WAY FASTER and easier to support the diff with a floor jack, then just take out the 4 small bolts holding the diff to the body, and they fall out... No issues.
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
1987 190D 2.5-5SPEED!!!

1987 300TD
1987 300TD
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!

Last edited by vstech; 06-30-2014 at 09:30 AM.
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  #12  
Old 06-30-2014, 07:52 AM
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Quote:
Originally Posted by Tmadia View Post
Sorry, yes it is an '85 CD, doing the front springs, and yes I enlarged the holes.

The problem I'm having is when you tighten the part you have circled 911, the threaded portion that starts to emerge from the bottom then digs into the lower control arm. So the spring is indeed compressing, but that threaded rod just replaces it.

I'll take a picture tomorrow.
Yeah, you can't compress all of the coils, you'll have to compress the middle coils of the spring. The exact number might be a bit of trial and error. I didn't do the fronts, on the rears I compressed 5 coils as I recall, in that case the compressor barely fits before the threaded shaft begins to poke out over the top of the spring.
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1983 W123 300TD US spec Turbo engine, with Euro bumpers and manual climate control, and manual transmission.
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  #13  
Old 06-30-2014, 07:53 AM
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Quote:
Originally Posted by vstech View Post
He's not saying the compressor won't work, he's saying it's WAY FASTER and easier to support the diff with a floor jack, then just take out the 4 small bolts holding the diff to the body, and they fall out... No issues.
Oh, well, too late now...nice to know for when I do this again in 30 years.
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Last edited by vstech; 06-30-2014 at 09:30 AM.
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  #14  
Old 06-30-2014, 11:36 AM
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Quote:
Originally Posted by vstech View Post
I have used that tool hundreds of times on 123's if it's hitting anything you have the plates in the wrong spot.

Both wheels have to be off the ground, the plates need to be rotated as high, and as low as you can get them on the springs, then you just crank until the coils touch, and the springs fall out.
That's how I thought it was supposed to work.

I'll try like Pedrocamp says tonight and see if it still binds up.

Here is my terrible pic, you can barely see, but the threaded rod already impinging on the bottom control arm.
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Coil Spring Compressor-sdc10327.jpg  
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  #15  
Old 06-30-2014, 11:46 AM
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HMM...
I can't see in the pic where the top plate is located, but it looks like you have the lower plate in the right spot.

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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
1987 190D 2.5-5SPEED!!!

1987 300TD
1987 300TD
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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