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Old 02-28-2019, 01:42 PM   #21
Aqua Puttana
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Default Re: Yet another jacking question

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Originally Posted by Bobnoxious View Post
Vic, following manufacturer's safety recommendations should not be construed as "Fearmongering."
Suggesting that the factory tire change jack points are the only "safe" place to bear a jack...

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Originally Posted by Bobnoxious View Post
I have, as well you and others, have lifted many vehicle's from the pumpkin without damage. However, in my case, the vehicle's were much older and more stoutly constructed in contrast to today's vehicle constructed and scaled to reduced weight.
Supporting data? (Pun intended.)
Documented examples of damaged Sprinter axle tubes?

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Originally Posted by Bobnoxious View Post
Many pumpkins now have plastic covers.
...
Sprinters don't.


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There's at least one post documenting a pumpkin leaking as a result of a tire shop lifting at the pumpkin.
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Originally Posted by Aqua Puttana View Post
Again.

Yes Sprinters are damaged by people using incorrect jacking methods.

Shock mounts are damaged, body metal gets damaged, front structures get bent/metal tearing by not using blocking, differential covers get bent to the point of leaking because proper pads aren't used, etc., etc. All that stuff happens because the correct locations are not selected and proper methods aren't applied.
...
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Originally Posted by Bobnoxious View Post
Video was certainly informative but too fast paced for my low bandwidth visual cortex. So, I took screen shots of the alternative lifting points.
NCV3FrameJackPoint.jpg

The takeaway from your second screen grab should be that if using a floor jack with padded cup, the frame rails are perfectly fine to jack against to lift a Sprinter... not to imply that there aren't many other industry standard safe choices too.

To repeat.
Mercedes has a very specific list for where NOT TO jack a Sprinter when using a floor jack. Of course that list isn't all inclusive. They specify not jacking against axle tubes. If the differential case is a problem wouldn't it make sense for them to include that along with the axle tube comment? It is all the same assembly.

Jack as you wish. Carry on.

vic
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Old 02-28-2019, 04:25 PM   #22
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Default Re: Yet another jacking question

I remembered I had a grinding bit for the dremel. I was incredulous that the little guy would do it and it took a pretty decent amount of time but I managed to shave down enough to fit after about 20 minutes or so and shaved me a trip to the shop. Going to echo pfflyer's success here, thanks Bob!
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Old 07-17-2019, 06:01 PM   #23
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Default Re: Yet another jacking question

and one more.... is there a front jack point in the middle to use the OE bottle jack to get both front wheels off the ground and then bring back onto proper stands to support.
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Old 07-17-2019, 06:52 PM   #24
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Default Re: Yet another jacking question

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and one more.... is there a front jack point in the middle to use the OE bottle jack to get both front wheels off the ground and then bring back onto proper stands to support.
Absolutely not.

I use a 3" x 4" hardwood block to bridge the front cross beam flanges when I lift using a floor jack. Even with a hardwood block a bottle jack is not safe in that position.

vic
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Old 07-17-2019, 07:17 PM   #25
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Default Re: Yet another jacking question

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and one more.... is there a front jack point in the middle to use the OE bottle jack to get both front wheels off the ground and then bring back onto proper stands to support.
Pictures?
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Old 07-17-2019, 07:54 PM   #26
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Default Re: Yet another jacking question

Here is what I have found to be the best for me:

For the rear, I put a floor jack under the three sides of the metal frame member supporting the spring shackle and a tall jackstand under the curved piece it fits.

Rear_Jack_Points.jpg

In the front, a floor jack under the frame behind the wheels:

Front_Floor_Jack.jpg

And a tall jackstand under the curved piece it fits in front of the wheels:

Front_Jackstand.jpg

I also add RV jacks to other places on the frame just for belts and suspenders.

https://www.campingworld.com/ultra-s...f-4-85164.html

I have a total of 5 things holding it up, two jackstands, two RV jacks and the floor jack whenever I am under the vehicle.

Regards,

Mark

Last edited by marklg; 07-17-2019 at 07:59 PM.
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Old 07-18-2019, 01:25 PM   #27
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Default Re: Yet another jacking question

If you are a skinny old man, for working underneath, driving up on a couple of pieces of 2"X8" front and rear is wonderful.

A large plastic tarp positioned first makes backsliding so easy.
Don't forget new batteries for the headlamp.
Or rechargables.

https://www.amazon.com/Panasonic-KJ1...s%2C345&sr=8-6

bill in tomahawk
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Old 07-18-2019, 06:41 PM   #28
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Default Re: Yet another jacking question

For those that don't recognize them ...

Mark's "jackstand" points are where MB says to position the bottle jack.

His "floor jack" points are where MB says to position a four-point lift:

LiftPoints.jpg

--dick (who prefers cardboard under his back instead of just a tarp.. the gravel doesn't poke through)
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Old 07-18-2019, 08:13 PM   #29
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Default Re: Yet another jacking question

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Originally Posted by autostaretx View Post
For those that don't recognize them ...

Mark's "jackstand" points are where MB says to position the bottle jack.

His "floor jack" points are where MB says to position a four-point lift:

Attachment 115603

--dick (who prefers cardboard under his back instead of just a tarp.. the gravel doesn't poke through)
Absolutely right, but I found Mercedes explanation very hard to understand. They said you can use a floor jack but don't put it these places. They didn't say where you can put it. After a lot of head scratching, I put them in those places but it was very difficult to determine if it was consistent with their recommendations.

Regards,

Mark
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Old 07-19-2019, 01:59 AM   #30
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Default Re: Yet another jacking question

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Originally Posted by marklg View Post
Absolutely right, but I found Mercedes explanation very hard to understand. They said you can use a floor jack but don't put it these places. They didn't say where you can put it. After a lot of head scratching, I put them in those places but it was very difficult to determine if it was consistent with their recommendations.

Regards,

Mark
I suspect that it relates mostly to legal implications.

In my experience there are many, many suitable places to jack up a vehicle, but what is appropriate and safe can change with conditions/situations. Experience and common sense can go a long way.

In over 8 years of ownership I have yet to use the OEM tire change jack points or the OEM tire change jack for lifting my Sprinters. The OEM tire change jack fixtures are tool specific and don't necessarily lend themselves for use with a roll around floor jack or the jack stands which I use.

vic
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"My opinion and worth everything you'll never pay for it." assumed.
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16 ounces of unnecessary prevention can be worth a pound of manure.
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