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I have mounted permanent jacking discs on the oblong hole near every wheel. My question is simple. I’ve read everything here, but I still don’t feel comfortable with an answer. If I use my Pittsburgh jack to Jack on the jacking pad, where can I use a jackstand?. I want to rotate my tires , which they forgot to do today on my 7500 mile check. I assume I can put the jackstand on the circular hole near the jacking pad?
I have jacstands with rubber covers over the tops, and put them under the lower suspension A-arms, as close to the tire as possible. Those pieces support the entire weight of the car during compression events that bottom out the suspension, so they're plenty strong enough. The rubber covers make sure the a-arms don't get scratched. The ones I have are similar to these:
There is a round hole a few inches away from the jack puck location. Jack the car up at THAT location (center jack on hole) then put the jack stands under your pucks.
There is a round hole a few inches away from the jack puck location. Jack the car up at THAT location (center jack on hole) then put the jack stands under your pucks.
My understanding is that the round holes are for the shipping straps and not to be used for jacking or stabilizing the car. Is there any official documentation from GM where we can put the jack stands? I am actually considering purchasing a second jack but I have jack stands and rather use them since they are also safer.
My understanding is that the round holes are for the shipping straps and not to be used for jacking or stabilizing the car. Is there any official documentation from GM where we can put the jack stands? I am actually considering purchasing a second jack but I have jack stands and rather use them since they are also safer.
Im sure JerryU will chime in on this but if that's the case Ive been doing it wrong for 3 years!
I have mounted permanent jacking discs on the oblong hole near every wheel. My question is simple. I’ve read everything here, but I still don’t feel comfortable with an answer. If I use my Pittsburgh jack to Jack on the jacking pad, where can I use a jackstand?. I want to rotate my tires , which they forgot to do today on my 7500 mile check. I assume I can put the jackstand on the circular hole near the jacking pad?
Even in the rear where you have to be careful because of balance you can put a narrow base Jack Stand ON THE FRAME close to where the Jack is on a Jack Pad.
What I used to remove rear wheel on my E-Ray.
Member used this small base Jack Stand next to jack on jack pad to remove caliper when changing front pads. I have many jack stands but this short one has small base and can be placed close to Jack on Jack Pad. No need OR benefit to place where hole is located JUST be sure it's on frame.
Might do what I always do when getting under car to say change oil. Either put wheels on stanchions OR if using jack stands use two jacks and keep slight tension on jacks as a safety! Extra Jack cheap life insurance!
[QUOTE=Glen e;1608851517]I have mounted permanent jacking discs on the oblong hole near every wheel. My question is simple. I’ve read everything here, but I still don’t feel comfortable with an answer. If I use my Pittsburgh jack to Jack on the jacking pad, where can I use a jackstand?. I want to rotate my tires , which they forgot to do today on my 7500 mile check. I assume I can put the jackstand on the circular hole near the jacking
Yep I check wear before considering rotating. If inside and outside look about the same wear, I don't bother.
JerryU, like I've mentioned, I have used that round hole for some time to jack up car only, then put stands under jack pucks- ANY reason I should stop this practice? I know it's for shipping straps- what ever that means but I ve had no issue. Your thoughts?
I measured the frame thickness at the round holes and it is the same thickness as the oblong holes. The only official lifting points per the service manual are the oblong holes. There other locations identified in the service manual but they are referred to as stabilizing points to provide additional support when removing heavy items from the vehicle.
Spring Mountain uses the round transport holes to lift the C8 with jacks.
I measured the frame thickness at the round holes and it is the same thickness as the oblong holes. The only official lifting points per the service manual are the oblong holes. There other locations identified in the service manual but they are referred to as stabilizing points to provide additional support when removing heavy items from the vehicle.
Spring Mountain uses the round transport holes to lift the C8 with jacks.
Thanks, I use that location (round hole) any time I need to jack up car.
thanks for the comments, especially the comment re not rotating your tires. I have extremely good wear on my tires. Insides are completely even with the outsides… Thinking back, my tech is a master certified tech and the best in South Florida , I’ll bet the reason he didn’t rotate them was because he looked and they don’t need it.
JerryU, like I've mentioned, I have used that round hole for some time to jack up car only, then put stands under jack pucks- ANY reason I should stop this practice? I know it's for shipping straps- what ever that means but I ve had no issue. Your thoughts?
Probably best not to Jack at "hole." But having placed my E-Ray small base Jack Stand close to Jack on Jack Pad think it's may be an OK place for Jack Stand.
Think the high risk and where that Pic of a dropped C8 may have been lifted was the body structure NOT FRAME. These is about 10 inches on the outside of where the oval lift slot is located on the Frame. Looks like a viable spot and frankly Tech has to put their head on shop floor to see oval slot!
That is why I like my 1 inch high Jack Pads. Don't have to get flashlight to look, just "feel" the Top Tab into the slot and turn 90 degrees! One reason I don't like the permanent jack pads as wonder how many techs will look! I supply the tech who works on my Vettes 4 jack Pads inserts than his large post jack pads are surely lifting on frame!
"Round Hole" probably OK for Jack Stand BUT no need to worry about placing at hole. Can move further to Jack and Jack pad but on Frame. Even safer.
Discussed with Tech who works on my Vettes before my 2020 C8 arrived for it's PDI (although he took the GM C8 Training had never seen the pic lower left.) He agreed Smart to use my Jack Pads as his post lift has very large pads on the lift arms. It assures it is being lifted on the frame. As noted in Pic, he also found it allowed him access to the 4 outside bolts on the ~30 holding the aluminum Shear Plate when he replaced my DCT Filter!
I have jacked it up as close to the normal lift hole so the stand is up against the floor jack. The frame is the same thickness, the issue that has everyone scared is lifting the entire car and using a rear jack point that is too far forward, that's when the rear weight bias bites you really hard and the car tips backwards and falls off a lift. Just lifting the rear only high enough to remove the rear wheels and using the rear lifting points is fine.
There is a round hole a few inches away from the jack puck location. Jack the car up at THAT location (center jack on hole) then put the jack stands under your pucks.
When I was at the Ron Fellows class in April, that's what they told us during the maintenance discussion.
I put mine on a set of 8" wheel cribs first and then use a Powerbuilt 3-ton jack stand/ bottle jack combo under the factory jacking points to lift off the wheel crib if I need the wheels in the air.
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