valve spring compressor questions - Mercedes-Benz Forum

 
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post #1 of 9 (permalink) Old 08-01-2004, 03:29 PM Thread Starter
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valve spring compressor questions

What would be the big reason to use the Mercedes Valve Spring compessor (ie part number: M123-0361) over a standard valve spring compressor from Craftsman?


I apprece the advice!


Scott
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post #2 of 9 (permalink) Old 08-01-2004, 09:37 PM
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RE: valve spring compressor questions

Quote:
czarfc - 8/1/2004 5:29 PM

What would be the big reason to use the Mercedes Valve Spring compessor (ie part number: M123-0361) over a standard valve spring compressor from Craftsman?


I apprece the advice!


Scott
I imagine the MB tool would tend to be more of an exact fit...

Does the craftsman tool have adjustments on it?

Just out of curiousity can you include a cost price of each tool?
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post #3 of 9 (permalink) Old 08-02-2004, 10:41 PM Thread Starter
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RE: valve spring compressor questions

The Mercedes tool is about $180US after you factor in shipping. Its basically a big lever arm. I have no clue what the Craftsman (or Snap-On, or whatever else) would cost, but can't imiagine it being more than $30 to $50.

The Mercedes tool looks as if its basically a big crow bar, while the Craftman tool I'm thinking of is more of what I think of as a traditional valve spring compressior (has the 2 arms which grab the spring 180-degrees apart and you twist the top and bring the arms up thus compressing the spring) Of course, I could be wrong on the details and maybe a bit off on the price, but I'm sure I'm in the ballpark.

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post #4 of 9 (permalink) Old 08-05-2004, 09:13 AM
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RE: valve spring compressor questions

Only buy the craftsman if the jaws on it give you the reach to get at the valves in situ..and opperate the lever .... MB one atattches to the head itself, uses the cam posts for leverage..can be a real runaround and lots of fun chasing collets and springs if you dont get it right...

Torque isn't cheap
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post #5 of 9 (permalink) Old 08-05-2004, 11:13 AM
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RE: valve spring compressor questions

Quote:
czarfc - 8/3/2004 12:41 AM

The Mercedes tool is about $180US after you factor in shipping. Its basically a big lever arm. I have no clue what the Craftsman (or Snap-On, or whatever else) would cost, but can't imiagine it being more than $30 to $50.

The Mercedes tool looks as if its basically a big crow bar, while the Craftman tool I'm thinking of is more of what I think of as a traditional valve spring compressior (has the 2 arms which grab the spring 180-degrees apart and you twist the top and bring the arms up thus compressing the spring) Of course, I could be wrong on the details and maybe a bit off on the price, but I'm sure I'm in the ballpark.
Seems like the MB tool is engineered to press down on the springs using leverage like a pry bar...

That craftsman tool is probably designed to be used on the head with the head removed off of the block, so it can completely clamp the valve face and top spring retainer assemblies...

I have to admit I am guessing, and could be wrong...

If someone is not familiar with this type repair, they will drive themselves insane loosing pieces, dropping valves down into the cylinders et cetera...

[?][:0][?]
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post #6 of 9 (permalink) Old 08-05-2004, 01:04 PM
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RE: valve spring compressor questions

http://images.google.co.uk/imgres?imgurl=http://www.extremetools.net/productimage/LIS16750.jpg&imgrefurl=http://www.extremetools.net/miva/merchant.mv%3FScreen%3DPROD%26Store_Code%3DET%26Pr oduct_Code%3DLIS16750%26Category_Code%3DENGINE_ser viceTools&h=257&w=300&sz=6&tbnid=fN6w_9Rwk5EJ:&tbn h=95&tbnw=110&start=51&prev=/images%3Fq%3Dvalve%2Bspring%2Bcompressor%26start%3 D40%26hl%3Den%26lr%3D%26ie%3DUTF-8%26sa%3DN
this is one used with cylinder head still on the engine
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post #7 of 9 (permalink) Old 08-05-2004, 01:06 PM
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RE: valve spring compressor questions

this one is a special mb tool, only difference is the cost both do the same job
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post #8 of 9 (permalink) Old 08-05-2004, 01:09 PM
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RE: valve spring compressor questions

and these two are what i would say you mean by a craftsman tool which require the cylinder head to be removed
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post #9 of 9 (permalink) Old 08-09-2004, 12:30 PM Thread Starter
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RE: valve spring compressor questions

Hey all sorry I took so long to thank ya'll for the replys... I think I'm just going to bite the bullet and go for the mercedes part. After taking a second look at the Sears part (along with other parts from other tool sources) I figured out the advantage the MB part gives. When the spring is compressed using the MB tool, the retainor clip is readily accessable and the tool will not interfere with other parts under the valve cover (such as the oil distribution, the cam etc) So the advantage is having room to work in place which the non MB tools I found made this difficult at best.

I appreciate all the advice! Too bad I can't use a compressor thats 1/10'th the cost, but hey, I'll probably get the value from it.

Thanks again for the advice and I'll let everyone know how this project goes, probably on the W126 forum... Hopefully I'll have some good pictures and keep your fingers crossed that its not valve guides!


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