G35 Sedan V36 2007- 08 Discussion about the 2nd Generation G35 Sedan 2007 - 08

Jack Point question

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Old Apr 10, 2007 | 10:54 PM
  #16  
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here are some pictures of the jack point. Tell me what you think.
 
Attached Thumbnails Jack Point question-jack1.jpg   Jack Point question-jack2.jpg   Jack Point question-jack3.jpg  
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Old Apr 10, 2007 | 10:55 PM
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some more pics
 
Attached Thumbnails Jack Point question-jack4.jpg   Jack Point question-jack5.jpg   Jack Point question-jack6.jpg   Jack Point question-jack7.jpg   Jack Point question-jack8.jpg  

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Old Apr 10, 2007 | 10:56 PM
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last pics ... your feedback thanks would be appreciated
 
Attached Thumbnails Jack Point question-jack9.jpg   Jack Point question-jack10.jpg  
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Old Apr 11, 2007 | 12:04 AM
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Ed - IMO, it looks OK to me. I've seen much worse.
 
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Old Apr 11, 2007 | 09:13 AM
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I can't really see much damage. Believe me, much more damage is done than that, just by the automation, employees, and line equipment at the manufacturing facility.
 
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Old Apr 11, 2007 | 09:29 PM
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The frame is not bent from those pictures. However, I would definitely do something to fix that because your stock jack may no longer work well with the edge bent in that manner and if you have a flat you may run into problems jacking up the vehicle at the proper jack point.

Another thing to consider - the side rails are for jacking up the vehicle w/ the stock jack and for using jack stands which are typically notched to allow space for the edge of the jack point. When you use a hydraulic jack, there are points on the vehicle specifically made for it - typically in the middle fron and middle rear of the car. You raise the front end w/ the hydraulic jack, then place the jack stands on the left and right sides of the vehicle at the indicated areas.

I would try raising the car w/ the stock jack after you fix it just to be sure it works. Better to find out ahead of time than to be stuck in the middle of no where w/ a flat and no way to easily change it.
 

Last edited by AlterZgo; Apr 11, 2007 at 09:41 PM.
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Old Apr 11, 2007 | 09:34 PM
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Originally Posted by koyoki
You are paranoid. IF the car frame would bend just because you jack your car than if you have a flat next time dont jack your car even with a stock jack bcos it would bend the body.. To bend the frame of a car you need to, drive 40 mph and hit a wall.
Modern unibody frames actually bend very easily. A 5 mph impact in the right area can cause frame damage.

Jacking up the car in an unreinforced area of the frame not only can, but WILL bend your frame. Think about it. If you are using the factory jack, the point of the jack that meets the frame is about 2"x3". Now, when you are jacking up one corner or side of a 3600 lb car, you are exerting at least 1000 lbs of force in that tiny 2"x3" area. I guarantee that it WILL bend your frame. Sadly, I know this from personal experience and from witnessing it happen when someone else jacked up their car w/o using the proper jacking point.
 
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Old Apr 11, 2007 | 10:30 PM
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your frame is bent. your car is worthless now. best that you sell it privately
 
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Old Apr 12, 2007 | 12:33 AM
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I thought by definition, unibodies do not use frames.
 
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Old Apr 12, 2007 | 01:34 AM
  #25  
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Between the blur and the glare... I think you're fine!
 
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Old Apr 12, 2007 | 01:42 AM
  #26  
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bring it to a body shop.. have them check it out..
 
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Old Apr 12, 2007 | 09:03 AM
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For everyone that is vaguely referencing a jacking point other than the one for the stock jack, please post pictures of this position, so that we all can see the proper location.
 
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Old Apr 12, 2007 | 06:12 PM
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That isn't the right place to raise the car. The correct place to initially raise the car using a conventional shop floor jack can be found in the shop manual.
 
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Old Apr 13, 2007 | 01:24 PM
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For those awaiting a picture, it's on page 30, in the GI section.

It says to jack the front in the middle of the subframe, very near the steering rack. The back looks like you are to jack the pumpkin. I always thought that was a no-no.
 
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Old Apr 13, 2007 | 01:28 PM
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And here it is from my website:



A and B are where you would want to raise the car and the safety stand points are where you want to support it after you've raised it. However, this is out of the 05 sedan service manual, it might be a little different for the 07.
 
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