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Old 09-01-2005, 09:02 PM
tvpierce's Avatar
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Was Aaron refering to a live (solid) axle car? I've only heard differentials refered to as "pumpkins" on live axles. In any event, I also jack the front at the cross-member, then put the jackstands at the jacking points. I would not recommend jacking the rear from the differential on an IRS car -- I also wouldn't trust a tech who says that it's OK to do so.

Just my 2 cents... arguably worth that.

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Old 09-01-2005, 09:21 PM
Hatterasguy's Avatar
Join Date: Nov 2002
Location: Milford, CT
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I hate to say it I repect Aaron but he is wrong on that one. Jacking a car with an IRS up by the diff is a very bad idea and you are asking for trouble. Ask any MB dealer they will look at you like you have two heads.
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Old 09-02-2005, 01:14 AM
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Location: Sacramento, CA
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I jack up the front at the crossmember, and put the jacks at the jack pad.

I jack up each side of the rear end independently, using a couple of 2x4s on the sills just in front of the jack pads, and put the jacks at the jack pad. My car is a monocoque, so the sills should be structural.
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Old 09-02-2005, 06:39 AM
kim Langley
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I jack up the front of my 97 C230 at the designed jack points [rubber pads] .

I place the jackstands under the frame rails located inboard from the jack points. I use a 6x6 piece of plywood between the jackstand and the frame rail to provide a cushion >> no metal to metal contact.

Yea > it's easier to jack up the complete front end in one action >> but IMHO > "no" to jacking up the front via the oil pan.

I do use the "central" method in the rear though... >> maybe have to re-look
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Old 09-02-2005, 10:01 AM
Steve Gutman's Avatar
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Location: Chicago, IL
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I assume the crossmember in front is the cross brace on tne sub frame. I can get all the way to the sub frame so I use that even though I have used the cross brace as well. I see it flex and it makes me nervous. I also assume the pumpkin to mean the differential housing. What else could it be?

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