jarlque Posted August 12, 2010 Report Share Posted August 12, 2010 Guys, Whenever I have to jack my '99 STS with a floor jack, like during a brake replacement, I always wonder how to jack it properly. The FSM says a lot about "shipping slot reinforcements", but I have never been able to identify anything like that looking under the car. I jack it where the spare tire jack is supposed to go, at the rocker panel molding cutouts. I put a piece of 2X4 on the jack, then jack it at the rocker flange where the molding cutout is. Never had any problem, but I'd feel a lot better jacking it where I'm supposed to, although this has to be "safe". I was hoping some of you could relate how you handle this. Thanks in advance! Link to comment Share on other sites More sharing options...
JimD Posted August 12, 2010 Report Share Posted August 12, 2010 ....I jack it where the spare tire jack is supposed to go, at the rocker panel molding cutouts. I put a piece of 2X4 on the jack, then jack it at the rocker flange where the molding cutout is. If you are placing the jack far enough inboard to contact the subframe, you are doing it right. Spreading the load with lumber is a good idea. I use a 12" piece of hardwood 2x6. And I always use jack stands. Jim Drive your car. Use your cell phone. CHOOSE ONE ! Link to comment Share on other sites More sharing options...
jarlque Posted August 13, 2010 Author Report Share Posted August 13, 2010 Thanks Jim. I guess anywhere that looks solid is OK, especially considering how careless most tire shops are, and I haven't heard of damaged frames. I was hoping to learn where the infamous FSM "shipping slots" really are. Agreed on the jack stands, don't jack without them! Link to comment Share on other sites More sharing options...
JimD Posted August 13, 2010 Report Share Posted August 13, 2010 Here is the RF corner of my '98 Seville behind the wheel. The cut out in the unibody about 6" behind the wheel is the jack point intended for the OEM screwjack. Lifting on the unibody is not a good choice. Directly inboard is the passenge seat floor pan and directly inboard of that is the subframe. I lift on the subframe with a floor jack. Jim Drive your car. Use your cell phone. CHOOSE ONE ! Link to comment Share on other sites More sharing options...
scott y Posted August 13, 2010 Report Share Posted August 13, 2010 man, your car needs a bath!! Link to comment Share on other sites More sharing options...
JimD Posted August 13, 2010 Report Share Posted August 13, 2010 True. But not before the road resurfacing is complete. Jim Drive your car. Use your cell phone. CHOOSE ONE ! Link to comment Share on other sites More sharing options...
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