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  #1  
Old 09-10-2007, 12:23 PM
High River Alberta Canada
 
Join Date: Mar 2005
Location: High River, Alberta,Canada
Posts: 423
Where to place jackstands 123

So I just had the 300CD on jackstands for a while and did a bunch of work... but I was never really happy with where I had placed them. I couldn't put them under the factory jack points, my jack was in the way, and there is that dang seam that is in the way. And I didn't want to damage the car. What the heck do guys who have rusted out jack points do? If I'm gonna have her up on stands again to change in my new Vogtland springs, I don't want to be afraid of pulling her off the stands and squishing myself.
If folks could post any good pix they have of good safe places they have used jack stands I would appreciate them.

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Thanx,
Alberta Luthier
1983 300CD ('Stinky')155k miles, 2.47 diff, EGR removed, AAZ injectors with 265 nozzles from Sean,and vogtland lowering springs.
1984 300SD ('Old Blue')150k Klicks from Japan originally, came with rear head rests, no sunroof and never had an EGR
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  #2  
Old 09-10-2007, 12:51 PM
vstech's Avatar
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Join Date: Mar 2006
Location: Mount Holly, NC
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In front, I put the stands in the pocket where the control arms meet the subframe. in the rear I just set them on the subframe.
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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 09-10-2007, 01:23 PM
Diesel Dan's Avatar
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Location: Austin, TX
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Granted, I have a w124, but I always jack by the main crossbeam, that runs between the engine and transmisison, and put the jackstands under the jack points. I never lift up just one side of the car, even if I will only be working on one side. I always lift up either the entire front, or entire rear, of the car. I've heard that is the safest way to do it.
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  #4  
Old 09-10-2007, 01:50 PM
High River Alberta Canada
 
Join Date: Mar 2005
Location: High River, Alberta,Canada
Posts: 423
Quote:
Originally Posted by Diesel Dan View Post
Granted, I have a w124, but I always jack by the main crossbeam, that runs between the engine and transmisison, and put the jackstands under the jack points. I never lift up just one side of the car, even if I will only be working on one side. I always lift up either the entire front, or entire rear, of the car. I've heard that is the safest way to do it.
I just ran out and put a couple of wheels on the curb to get a good look.
For jacking the front: I see what you mean about the main crossbeam, I like that a lot (I hadn't realized it was solid enough to lift the whole car) and then jackstands on either side at the jackpoints.
For jacking the back: how do you get the whole back end in the air? Do you work back and forth from one side to the other till you get it all the way up?
Thanx
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Thanx,
Alberta Luthier
1983 300CD ('Stinky')155k miles, 2.47 diff, EGR removed, AAZ injectors with 265 nozzles from Sean,and vogtland lowering springs.
1984 300SD ('Old Blue')150k Klicks from Japan originally, came with rear head rests, no sunroof and never had an EGR
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  #5  
Old 09-10-2007, 02:08 PM
vstech's Avatar
DD MOD, HVAC,MCP,Mac,GMAC
 
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Location: Mount Holly, NC
Posts: 26,838
Nah, just put the floor jack uner the differential.
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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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  #6  
Old 09-10-2007, 02:37 PM
High River Alberta Canada
 
Join Date: Mar 2005
Location: High River, Alberta,Canada
Posts: 423
under the diff?

Quote:
Originally Posted by vstech View Post
Nah, just put the floor jack uner the differential.
Well I guess that would work. It's a long way up there, I'm not sure my floor jack can get it very high since it will already be reaching up so far. Maybe some thick wooden blocks. Have you jacked on the diff? It didn't deform the car floor where it is attached and push the diff up into the car?
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Thanx,
Alberta Luthier
1983 300CD ('Stinky')155k miles, 2.47 diff, EGR removed, AAZ injectors with 265 nozzles from Sean,and vogtland lowering springs.
1984 300SD ('Old Blue')150k Klicks from Japan originally, came with rear head rests, no sunroof and never had an EGR
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  #7  
Old 09-10-2007, 03:06 PM
vstech's Avatar
DD MOD, HVAC,MCP,Mac,GMAC
 
Join Date: Mar 2006
Location: Mount Holly, NC
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Oh, yes, I have jacked the cars up this way for decades. the dif is very strongly supported, no chance of damaging it or the floorpan. MB recommends this method to lift the rear.
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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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  #8  
Old 09-10-2007, 03:29 PM
toomany MBZ's Avatar
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Quote:
Originally Posted by vstech View Post
Oh, yes, I have jacked the cars up this way for decades. the dif is very strongly supported, no chance of damaging it or the floorpan. MB recommends this method to lift the rear.
I've been doing this also, the place for the jack stands are under lift points. Or if you're feeling up to it, under the trailing arms, but the car has to be pretty high up. I do use a piece of wood on the floor jack. It is a long way, so I have to use very small pumps on the handle for a little while. My three ton floor jack weighs just about that, so how much can it lift?
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  #9  
Old 09-10-2007, 04:02 PM
Jeremy5848's Avatar
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Location: Sonoma Wine Country
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I use the factory jack and then put jack stands under the jack points. Since the factory jack stands off to one side of the car, it doesn't get in the way of the jack stands. Jacking under the differential also sounds like a good idea, which I will have to try next time. I'll probably have to use a block of wood between my floor jack and the differential to get enough height.
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  #10  
Old 09-10-2007, 04:06 PM
85 DSEL's Avatar
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Where NOT to place jack stands!

Maybe thistle hep (!) Maybe not...
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  #11  
Old 09-10-2007, 04:37 PM
High River Alberta Canada
 
Join Date: Mar 2005
Location: High River, Alberta,Canada
Posts: 423
where not to place 'em

Quote:
Originally Posted by 85 DSEL View Post
Where NOT to place jack stands!

Maybe thistle hep (!) Maybe not...
I didn't do that, (though I've done worse I'm sure)

I appreciate all this advice. I am not one of those alarmist types, but just the same a guy can kill himself by not paying attention to where he places the jack/jackstands. (and not a good way to go either)
Along with the usual number of folks on this forum jacking up cars there will soon be over 3 dozen extra members trying to install their/our new Vogtland springs in our 123s, I hope we are all careful and successful!

__________________
Thanx,
Alberta Luthier
1983 300CD ('Stinky')155k miles, 2.47 diff, EGR removed, AAZ injectors with 265 nozzles from Sean,and vogtland lowering springs.
1984 300SD ('Old Blue')150k Klicks from Japan originally, came with rear head rests, no sunroof and never had an EGR
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