Jack points
Hey I was wondering if I can Jack my car up on these points I read in the Manual it said it was okay just want to make sure
https://cimg9.ibsrv.net/gimg/www.rx7...a4f7268add.jpg https://cimg7.ibsrv.net/gimg/www.rx7...e0c8543c49.jpg |
Some may disagree, but those points are really just for the factory scissor jack. Jacking from there will mangle the pinch welds. They do make an adapter for the pinch weld points, but IMO it is still dicey.
I would jack from the front subframe or the chassis legs with a block of wood in between. |
front center of the front subframe and the diff are the 2 jack points. you "can" jack it up from the pinch weld but like corbin said, you will mangle it. if it was already messed up then its whatever but yours is not so don't.
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These work really well for the pinch weld jack points. Been using them for years with no issues. Just check them before each use as they do wear out but they are cheap to replace.
I also use them with jack-stands as I often jack from the subframe and use these on top of the jack stands at the pinch weld locations. I just painted my pinch welds as part of my paint job and these block do not even scratch them! https://cimg6.ibsrv.net/gimg/www.rx7...41c5d9f551.png |
If you need to do it and not wait for something to arrive, just put a short chunk of 4x4 or 2x2 behind the pinch weld and go for it.
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The subframes can be used, but are NOT jacking points. The pinch welds are. If you use a pad like in the picture you don’t scratch them, and mine have never deformed. Most would consider me pretty ocd about things, but I’ve never worried about scratching my pinch welds and they don’t bend with even a little care.
Using a floor jack on the subframes, particularly on the front requires a lot more care with placement to avoid the oil pan, and from slipping. I’m fortunate to have a lift for most things I do underneath these days and the lift uses those pinch-weld locations set out in the owners manual. On the very rare occasions I want to put JUST the front of the car up for some reason, I use ramps and THEN carefully use a floor jack on the front subframe for more height… with stands on those factory pinch weld points. If I want to raise just the rear of the car I’ll Jack at the differential, again with stands on the pinch-weld points. I never put stands anywhere on the subframes. And don’t forget to block wheels as needed. https://cimg2.ibsrv.net/gimg/www.rx7...8f739c0e4d.png |
+1 for pinch weld adapters. How do you even get to the subframe to jack on if you have your bumper on?
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Originally Posted by TwinCharged RX7
(Post 12571835)
+1 for pinch weld adapters. How do you even get to the subframe to jack on if you have your bumper on?
Maybe one of those low profile jacks would work but mine isn’t even close. I’m going to get a quick jack at some point. |
+1 to quickjack, remember to get 4 pinchweld adapters for that too though. They make nice blocks that look like legos on the bottom so you can stack the pinch weld blocks on top of the regular blocks to get a couple inches extra height
https://cimg3.ibsrv.net/gimg/www.rx7...bb454e66c.jpeg https://cimg4.ibsrv.net/gimg/www.rx7...424523382.jpeg https://cimg6.ibsrv.net/gimg/www.rx7...3ddecad6f.jpeg |
Originally Posted by TwinCharged RX7
(Post 12571835)
+1 for pinch weld adapters. How do you even get to the subframe to jack on if you have your bumper on?
I've been using a similar "Pittsburg" branded jack from HF for years now on my FC & FD. To clear the lip spoiler on the FC, I need to drive the front tires up onto a couple of 2x10 to get enough clearance to slip the jack under & reach the front crossmember |
Originally Posted by Sgtblue
(Post 12571767)
The subframes can be used, but are NOT jacking points. The pinch welds are. If you use a pad like in the picture you don’t scratch them, and mine have never deformed. Most would consider me pretty ocd about things, but I’ve never worried about scratching my pinch welds and they don’t bend with even a little care.
Using a floor jack on the subframes, particularly on the front requires a lot more care with placement to avoid the oil pan, and from slipping. I’m fortunate to have a lift for most things I do underneath these days and the lift uses those pinch-weld locations set out in the owners manual. On the very rare occasions I want to put JUST the front of the car up for some reason, I use ramps and THEN carefully use a floor jack on the front subframe for more height… with stands on those factory pinch weld points. If I want to raise just the rear of the car I’ll Jack at the differential, again with stands on the pinch-weld points. I never put stands anywhere on the subframes. And don’t forget to block wheels as needed. https://cimg2.ibsrv.net/gimg/www.rx7...8f739c0e4d.png This page you are showing is only talking about using the emergency jack to put a spare tire on. I recommend against jacking the car from the pinch points, even with a pinch weld adapter, since I don't think those parts of the car are particularly strong. I get the feeling it causes the chassis to twist a bit (the FD is not known for chassis rigidity). You do need ramps and a low-profile jack to lift a lowered car with any sort of front lip from the subframe, though. |
People have been jacking up FDs and all sorts of other cars from the punch weld points for decades. As long as you aren't folding them over, there is no problem. I wouldn't want to be rolling onto ramps just to get a jack on the subframe every time I work on it.
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Originally Posted by TwinCharged RX7
(Post 12571948)
People have been jacking up FDs and all sorts of other cars from the punch weld points for decades. As long as you aren't folding them over, there is no problem. I wouldn't want to be rolling onto ramps just to get a jack on the subframe every time I work on it.
If you do this from one pinch weld without an adapter you’re pretty likely to bend it. It’s not so bad if you just want to get a wheel off. |
Originally Posted by Valkyrie
(Post 12571941)
This is wrong. The FSM explicitly says to jack the car from the front subframe and the rear diff when using a floor jack. The pinch weld points are where you put the jack stands (or lift the car with a two-post lift).
This page you are showing is only talking about using the emergency jack to put a spare tire on. I recommend against jacking the car from the pinch points, even with a pinch weld adapter, since I don't think those parts of the car are particularly strong. I get the feeling it causes the chassis to twist a bit (the FD is not known for chassis rigidity). You do need ramps and a low-profile jack to lift a lowered car with any sort of front lip from the subframe, though. Maybe the biggest takeaway I intended was to discourage placement of jackstands anywhere on the subframes just so they don’t risk scratching a pinch weld. IMO that’s silly because it’s dangerous to the car, but most especially to them. And easily avoidable. |
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