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  #31  
Old 04-30-2009, 01:27 AM
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Quote:
Originally Posted by Brian Carlton View Post
I tend to believe that M/B had some good reasons for using oil. The oil, if the boots are filled completely, will always be on the bearing surfaces. The grease will be flung to the outside of the boot, leaving the bearing surfaces without the desired lubrication, unless the boot is completely packed.

The longevity of these axles with the use of oil should give one pause before grease is selected for a replacement lube.
Exactly. I will be filling all of ours with oil when I redo them soon for this very reason.

We have a big pile of flexx boots coming in, hopefully they hold up ok, I'll have to be real careful.

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  #32  
Old 04-30-2009, 02:37 AM
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I was not recommending Grease but mentioned Grease as I believe I read that some of the other Members have used Grease.
I have only had experience with 1 CV Joint on a 86 Chevy Cavalier with a ripped Boot. It had Grease in it when I cleaned it out and I re-packed it with Grease when I installed the split Boot and that was over 6 years ago.
All CV Joints that use Grease must fling the Grease yet they seem to work fine;with Grease engineered for the job.
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  #33  
Old 04-30-2009, 03:56 AM
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Grease is great if you are out of town and the hole is not that big. Garrett helped me out by spooning it into my ripped CV with a sprok from taco bell. it worked for about 100 miles then another few sporks full got me home. (nothing like going to get your lady from the airport and having the axle start banging.... those were the days)

They make some very very nice grease these days. the grease we used in our make shift solution was marine grade and water resistant, and about a sticky as any glue I've used. we used it so it wouldn't fall out of the rip as fast a wheel bearing grease. after going grease shopping I might be up for doing some research before going with oil only because if the boot were to rip you wouldn't be dead in the water. (since the replacement boots are thiner) but since there are many different kinds of grease out there it would take some research. the safe bet is gear oil. but I bet there is better grease out there.
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  #34  
Old 04-30-2009, 04:19 AM
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well, Ive never seen an axel boot filled with oil....
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  #35  
Old 04-30-2009, 11:21 AM
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it seems to me that oil would be the better option because it provides constant lube.
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  #36  
Old 04-30-2009, 12:07 PM
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I guess someone needs to take a survey of folks who have used Grease on there Mercedes CV Joints when the replaced the boots and see what type of reliability they achieved.
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  #37  
Old 04-30-2009, 12:52 PM
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Quote:
Originally Posted by turbobenz View Post
well, Ive never seen an axel boot filled with oil....
The differential + axles I removed from a 500SEL in the yard a week ago had oil in the boots. I accidentally dislodged one of them a bit when moving it around and some oil leaked out.
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'17 Metris(VITO!) - 15k - wifes (OC-17k)
'01 E320 Wagon - 159k - mine (OC-160,000)
'01 E320 - 179k - dad's (OC-182,500)
'07 E350 Wagon - 132k - dad's (OC-132,500)
'01 SL500 - 51k - dad's (OC-52,000)
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  #38  
Old 04-30-2009, 01:06 PM
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tobybul, where did you get the red funnel?
A few months ago, while collecting info, I bought a transmission funnel and a Dorman boot at Auto Zone. Took it to my Indy to prove it would work, and it didn't. I didn't warm the boot. I didn't know that trick. Have to try again.
Also, the boot came with a package of grease(oil?). I would rather use good stuff, but I guess the amount in that package is all you need in one boot. Measure contents and use the synthetic instead.

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  #39  
Old 04-30-2009, 06:54 PM
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Quote:
Originally Posted by Ryan Z View Post
tobybul, where did you get the red funnel?
A few months ago, while collecting info, I bought a transmission funnel and a Dorman boot at Auto Zone. Took it to my Indy to prove it would work, and it didn't. I didn't warm the boot. I didn't know that trick. Have to try again.
Also, the boot came with a package of grease(oil?). I would rather use good stuff, but I guess the amount in that package is all you need in one boot. Measure contents and use the synthetic instead.

---------------------
1984 MB 300SD Turbo
I got the cone from Astoria when I ordered the Flexx Boots. It actually works pretty good. It is more important to warm the boots, especially the Dormans since they are thicker but I got them thru.

Its best to have 2 ppl pushing the boot thru the cone in tandem. It does require some effort but its very doable. I got the 4 Flexx boots thru by myself but only 2 of the Dormans until I asked by muscle-man son to help me out for the remaining 2.

And again, I opted to use oil instead of grease for the same reasons stated by others above. Its what MB used. Grease I'm sure will work but I would probably pack it with a lot more grease than the quantity that comes with the boots to ensure that the balls and spider arelubricated.

Also, I think the pinch type or also called SAE SEC clamps work better than the peel-back type that come with the Dormans. NAPA sells the pinch type. They also come with the Flexx boots. They can also be reused if you remove them carefully.

Dorman boots on OE axles
Attached Thumbnails
Flexx Boot Axle Repair Using Cone-dscn1774.jpg  
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Last edited by whunter; 02-09-2010 at 12:26 PM. Reason: attached picture
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  #40  
Old 04-30-2009, 08:08 PM
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Dorman boots on OE axles
[/QUOTE]

Is the boot on left a flexx? Looks kind of screwy.
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  #41  
Old 04-30-2009, 10:00 PM
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All Dormans. THe rubber is just pushed in a bit since I just installed it. Might need the small end moved closer to the big end.
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2007 Honda Accord EX
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97 Explorer - Found Another Home
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  #42  
Old 05-01-2009, 03:32 AM
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That should straighten up once you drive it for a few hundred miles.... But let us know if it does or does not. Then well make the necessary adjustments.
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  #43  
Old 05-23-2009, 06:51 PM
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Flexx Boot Axle Repair Using Cone

Great write-up, and even better pictures!
I read it several times and found nothing to indicate where you got the 'cone' you used. I could not find anything at the 'astoria200' web site indicating that they had a 'cone' available.

So I guess the question is: "where did you get the cone?"

Farrell
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  #44  
Old 05-23-2009, 07:55 PM
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I was looking too. I think you must phone them.


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  #45  
Old 05-23-2009, 08:19 PM
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I used the grease

I used the grease that came with the flex boot and some 90w gear oil ... have been running down the road for about 20k now ... no problems with the flexx boot , grease , and 90w gear oil ... let you guys know when they wear out could be a while..... mercedes uses oil for their half shafts by the way .... I used the Flexx boot pneumatic tool fast and easy to use ... anyway have fun

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