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Old Apr 6, 2008 | 09:49 AM
  #1  
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From: gilford nh
Default jacking question

had to change a flat,used pump jack just on pass. rear. should i have lifted the whole side or rear of the car.
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Old Apr 6, 2008 | 10:02 AM
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Nope, you did good.

The C5 has one of the stiffest frames, it is hydroformed. It uses a multi-million dollar piece of equipment which pressurizes one long steel tube to make a one piece frame rail. Most cars use many welds on many pieces to make a frame rail (thought you would want the details, from one engineer to another). No need to open (or not open) doors or take off (or install) Targa Top when jacking either, these were for older Corvettes.

If I may ask, did you have non-runflats, and if so, what jack did you use?

Last edited by Oldvetter; Apr 6, 2008 at 10:06 AM.
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Old Apr 6, 2008 | 10:20 AM
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From: gilford nh
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Originally Posted by Oldvetter
Nope, you did good.

The C5 has one of the stiffest frames, it is hydroformed. It uses a multi-million dollar piece of equipment which pressurizes one long steel tube to make a one piece frame rail. Most cars use many welds on many pieces to make a frame rail (thought you would want the details, from one engineer to another). No need to open (or not open) doors or take off (or install) Targa Top when jacking either, these were for older Corvettes.

If I may ask, did you have non-runflats, and if so, what jack did you use?
thank you for the exact answer i was looking for. noticed a large nail in the sidewall after the car was put up for the winter.just thought i would take care of it now. had to buy new tire no one would fix it.
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Old Apr 6, 2008 | 10:39 AM
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Originally Posted by cedge
thank you for the exact answer i was looking for. noticed a large nail in the sidewall after the car was put up for the winter.just thought i would take care of it now. had to buy new tire no one would fix it.
forgot about the jack. i use a 2 ton furious jack from nappa, duel piston, great jack. paid 200.00
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Old Apr 6, 2008 | 10:40 AM
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Default jacking question

Hi Cedge,
I f you only took a few hours to change the wheel & had the one side supported with additional jack stand & wood blocks covering both cross members on that side then you will have no problems as the suspension & the body is tough& flexible.I think on the older vettes the bodies were not as flexible as the c5 and if you made a habit out of just jacking one side it would have stressed the body around the door area, thus having a misaligned door & air leaks.
When I,am going to have my rear up or the front. I use both my floor jacks & raise both sides evenly,but thats just my way.
Tip: If your wheel needed to be balanced make sure the the new weight they put on the wheel is not a lead one. Needs to be polyester coated to prevent corrosion. Torque wheel nuts in a star pattern at 25lbs. increments, final torque is 100ft. lbs. Good time to check wheel axle nut torque(118ft.lbs.) requires a 34 mm socket
robsc501

Last edited by robsc501; Apr 6, 2008 at 10:46 AM. Reason: additional info.
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Old Apr 6, 2008 | 11:01 AM
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From: gilford nh
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Originally Posted by robsc501
Hi Cedge,
I f you only took a few hours to change the wheel & had the one side supported with additional jack stand & wood blocks covering both cross members on that side then you will have no problems as the suspension & the body is tough& flexible.I think on the older vettes the bodies were not as flexible as the c5 and if you made a habit out of just jacking one side it would have stressed the body around the door area, thus having a misaligned door & air leaks.
When I,am going to have my rear up or the front. I use both my floor jacks & raise both sides evenly,but thats just my way.
Tip: If your wheel needed to be balanced make sure the the new weight they put on the wheel is not a lead one. Needs to be polyester coated to prevent corrosion. Torque wheel nuts in a star pattern at 25lbs. increments, final torque is 100ft. lbs. Good time to check wheel axle nut torque(118ft.lbs.) requires a 34 mm socket
robsc501
thanks for the info, especially torques, and they did use the polyester coated weights to balance.
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Old Apr 6, 2008 | 12:30 PM
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You got some great advice . This may help for future reference:

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Old Apr 6, 2008 | 01:56 PM
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From: gilford nh
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Originally Posted by DeeGee
You got some great advice . This may help for future reference:

thanks, i got it all now. the car has never had a problem, never a reason to jack it up.
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