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Steering shaft/column rubber boot replacement.
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Posted 4/26/2018 6:59 PM
NHDave
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Date registered: Dec 2013
Location: Seacoast NH.
Vehicle(s): 2004 AMG
Posts: 462
300
Steering shaft/column rubber boot replacement.

Hearing engine noise emanating from behind the dash..turns out to be a rubber boot (like a CV joint) that rides tightly against the steering shaft..with a mounting flange that attaches to the fire wall.

Got one from Vlad at 4x4club..first inexpensive item in a long time...but I'm sure I'll be paying the price somehow swapping it out! Here I go...more soon!

 Cheers

#239016
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Posted 4/27/2018 7:01 AM
NHDave
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Date registered: Dec 2013
Location: Seacoast NH.
Vehicle(s): 2004 AMG
Posts: 462
300
RE: Steering shaft/column rubber boot replacement.

Seems straight forward according to WIS. Hardest part may be heating the old tar looking sealant so to remove the flange from the fire wall.



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#239019 - in reply to #239016
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Posted 4/27/2018 7:33 PM
imjustdave
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Date registered: Feb 2012
Location: Bonney Lake Washington USA
Vehicle(s): 2004 G500, 2014 Audi Q7 TDI, 2006 Ram 3500.
Posts: 77
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Re: Steering shaft/column rubber boot replacement.

I need to replace mine as well, but most of the work appeared to be on the engine side for mine... That didn't look fun as there appears to be some sort of saftey loop device around the shaft basically in the way.
#239024 - in reply to #239016
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Posted 4/28/2018 9:34 PM
NHDave
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Date registered: Dec 2013
Location: Seacoast NH.
Vehicle(s): 2004 AMG
Posts: 462
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Re: Steering shaft/column rubber boot replacement.

Mine is done! Took a few hours to complete, FYI. Yes I know that item you mentioned, I was able to work around it. Most of the work is on the engine side but you'll still need to remove all the panels under the steering wheel...thankfully not the steering wheel! Very tight working quarters (on your back and over the brake booster). Word of advice..do what you can to catch the three nuts and washers from falling in the engine bay. Then your work is really cut out for you trying to reinstall the washers and nuts!!! Like anything that has to do with servicing these trucks..it basically sucks! Be patient, best of luck!

Edited by NHDave 4/28/2018 9:37 PM
#239033 - in reply to #239016
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Posted 4/28/2018 9:39 PM
NHDave
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Date registered: Dec 2013
Location: Seacoast NH.
Vehicle(s): 2004 AMG
Posts: 462
300
Re: Steering shaft/column rubber boot replacement.

Hey..flip the hood all the way back to the windshield. It helps with access and gives you more light to work with.
#239035 - in reply to #239016
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Posted 5/9/2018 5:56 PM
fernweh



Date registered: Apr 2006
Location: Calabasas, CA - Centenario, BCS - Luebeck, Germany
Vehicle(s): Few Mercedes-Benz, a Toyota Amphibious and a Vespa
2000
Re: Steering shaft/column rubber boot replacement.

NHDave - 4/28/2018 7:39 PM

Hey..flip the hood all the way back to the windshield. It helps with access and gives you more light to work with.


Thanks guys,

I have to do the same work, the rubber boot has a piece missing, and I have mice entering my Adventurewagen from there.

Took a quite a while, to figure this out.....

I am under the impression, that I have to remove the whole steering column, then replacing the boot from the engine side, and inserting the steering shaft back into place.

I let you know how this went.

BTW you can mount a second ball-stud for the maintenance position of the hood.

https://www.g-wagenaccessories.com/collections/body-exterior-g-class...
#239102 - in reply to #239035
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Posted 5/30/2019 11:37 AM
ychung
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Date registered: Aug 2015
Location: SO CAL
Vehicle(s): 2004 G500, 2014 ML350, 2008 S550
Posts: 196
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RE: Steering shaft/column rubber boot replacement.

Hi
I am going to order the boot as well since mine is torn, could you please send me the instruction from your experience and/or from WIS
I am not sure that if this is something I can do myself, I think I can do it if I don't need to touch the steering wheel and airbag.
Thank you
#240729 - in reply to #239016
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Posted 6/6/2019 12:40 AM
ychung
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Date registered: Aug 2015
Location: SO CAL
Vehicle(s): 2004 G500, 2014 ML350, 2008 S550
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RE: Steering shaft/column rubber boot replacement.

Can someone please help me with WIS instruction of replacing the steering shaft boot?
Thanks
#240754 - in reply to #239016
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Posted 6/20/2019 7:24 AM
NHDave
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Date registered: Dec 2013
Location: Seacoast NH.
Vehicle(s): 2004 AMG
Posts: 462
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Re: Steering shaft/column rubber boot replacement.

Hi ychung

I don't remember exactly what the WIS instructions where for this process but you do not need to remove the steering wheel or column. You will have to separate the steering shaft coming from the cabin to the steering joint (located under the brake reservoir) make sure you mark both shaft and joint before separating and lock the steering wheel in place.
Once separated, the shaft can be pulled towards the engine. Now you have the real task of freeing up the rubber boot flange under the steering column. I believe I've used a heat gun with a flat stiff putty knife.
You'll need to remove the old tar like sealant and add new, I think I used some windshield sealant or like.
Good luck
#240777 - in reply to #239016
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Posted 6/24/2019 5:50 PM
fernweh



Date registered: Apr 2006
Location: Calabasas, CA - Centenario, BCS - Luebeck, Germany
Vehicle(s): Few Mercedes-Benz, a Toyota Amphibious and a Vespa
2000
RE: Steering shaft/column rubber boot replacement.

Thank you Dave,

for your advise, not to take down the steering column. Last time I had worked on the steering shaft

I took the whole thing out, as the EPC showed in as one large item......years went by.

Finally I started the work today, and see, that shaft slit out just easily. To get to those three M6 nuts from the

inside mounting flange, I had to take the locker fluid container off, and just swung it to the site.

There are line-up marks on the shaft and sleeve, pls see the pictures.

Everything went back together well, and that old torn rubber boot has been replaced now.

That torn old boot, was the entrance for a large mice family, I did catch nine of them, time after time, Schluss Aus!



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#240790 - in reply to #239016
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Posted 7/14/2019 10:54 AM
NHDave
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Date registered: Dec 2013
Location: Seacoast NH.
Vehicle(s): 2004 AMG
Posts: 462
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RE: Steering shaft/column rubber boot replacement.

fernweh

 I see you did not have to deal with the sealant around the mounting flange.

 





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#240835 - in reply to #239016
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Posted 7/14/2019 11:01 AM
NHDave
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Date registered: Dec 2013
Location: Seacoast NH.
Vehicle(s): 2004 AMG
Posts: 462
300
Re: Steering shaft/column rubber boot replacement.

Perhaps this sealant was used while hunting for a cabin leak..?

Cheers
#240836 - in reply to #239016
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Posted 7/14/2019 11:32 AM
ychung
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Date registered: Aug 2015
Location: SO CAL
Vehicle(s): 2004 G500, 2014 ML350, 2008 S550
Posts: 196
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RE: Steering shaft/column rubber boot replacement.

I did not have to deal with sealant.
Thank you all for your help.
#240837 - in reply to #239016
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Posted 7/14/2019 6:14 PM
NHDave
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Date registered: Dec 2013
Location: Seacoast NH.
Vehicle(s): 2004 AMG
Posts: 462
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Re: Steering shaft/column rubber boot replacement.

You are welcome.
That's what this community is all about!
Thanks everyone!!
#240838 - in reply to #240777
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Posted 12/14/2020 3:04 PM
imjustdave
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Date registered: Feb 2012
Location: Bonney Lake Washington USA
Vehicle(s): 2004 G500, 2014 Audi Q7 TDI, 2006 Ram 3500.
Posts: 77
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RE: Steering shaft/column rubber boot replacement.

Steps I took 

 

 

1. Flatten the drivers tire. No seriously it make getting into this area a little easier  I was also doing some work around the lockers so it helped for this too.
2. Remove the inside coverings, from the feet area.
a. FYI that speaker that you find is the tell aid from what I can tell in the EPC
b. The OBD port has a sliding release on it, so you can remove the plug and carpet like covering can move out of the way.
c. Be mindful of the heating vent when you reinstall.
3. Now you will see the hole to the steering shaft.
4. Now turn the steering wheel so the bolt at the half way point is pointing towards the Coil packs and the fender
a. This will make is easy to remove and line up the other end for you
5. Remove the 13mm bolt
6. I had to lightly tap on the shaft towards the driver seat once it started to move it went very easily
7. Once your off this connection Push back the remaining boot towards the firewall and watch as you pull the shaft out for the alignment marks as other have shown above. Yes the shaft can go in multiple spots and isn’t index to only go in one way.. it should be but it’s not from what I can tell.
8. WOW that was easy so far.
9. I would remove the locker fluid reservoir 2 10mm nuts and you can move this out of your way to access the 3 nuts below.
10. Remove the 3 10mm bolt holding the ring on, yes you could just loosen them but it was easier to remove
11. I didn’t’ have the nasty sealant as shown above not sure if that was 1 off or if they stopped doing that after a period of time.
12. Now shove that new boot in  
a. You will notice it has 3 mounting holes – tabs… I initially thought those went on the engine side NOPE that entire part gets shoved inside under the dash.    look at fernweh and NHDave photos you can see the rubber next to the black metal keeper. If you look from the inside the car you have the shaft  then rubber lip and then the metal band. 

13. Now go inside and you will see the flange on the boot gets trapped between the round black part with 3 bolts and the boot.

a. My boot had enough friction to hold it in place to replace the 3 10mm nuts
14. Now what I feel is most likely the hardest part… Push back the boot to expose the shaft on the inside and align it up with the marks on the shaft, Because my steering wheel was locked “key out” and my drivers tire was FLAT I had to unlock my steering wheel so I could put it on the correct spline, FYI if it looks close it’s wrong you can get 1 more spline to nail it perfect.
a. Initially I tried it but couldn’t get the other end to start on the shaft so I move it 1 spline but then it dint’ match up, so I unlocked the wheel which allowed me to match up the marks and insert the other end without having to hammer on it. I suspect letting air out of the tire may have bound up the wheel just a smidge.
b. Again I didn’t need any hammering.  If you do it's binding up somewhere check stuff. 
15. Now reinstall the 13mm bolt I did use some blue lock tight as this isn’t something I want coming apart on its own. Sorry don’t’ have the TQ spec.
16. Lastly position the boot on the shaft there is a lip that it site on right at the part # of the shaft. You can also verify your marks are lined up still.
17. Reinstall the inside stuff and enjoy

Thoughts:

I was dreading this repair, that black tar stuff, that safety loop gizmo, everything about this didn’t look fun. I actually ordered the part almost 2 years ago now that is how long I have putting this off. But to be honest it was pretty easy to do and I can’t believe I have waited this long to do it. 5 nuts and 1 bolt, and I think 7 screws on the inside

I don’t’ have any proof but I suspect that brake fluid is sometimes accidently left to drop down from above and is partly the cause of the destruction of this boot. Moving forward I will be protecting this as best I can to catch any stray fluid. It’s also fairly thin material.

I also want to thank others before me who have posted info as this helped me.

-David

 

 

 

 

 

 



Edited by imjustdave 12/14/2020 3:16 PM




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