If I read this correctly, the triangles you refer to are the suspension arms. It can be done with a jack if you can jack the tire off the ground. I prefer to use jack stands or extra blocks of wood underneath the vehicle in case the jack fails. There have been too many people that have been killed or seriously hurt by not using extra support while working under a car.
Make sure you have all the tools ready. you will most likely need a ball joint remover tool to separate the joints. Tools are going to be your biggest challenge. Suspensions often have special tools that are needed that are not common.
The alignment (geometry) will need to be checked after the work is performed. You can get the steering set close and you can actually drive to the shop to get the alignment done as long as the law allows it. I wouldn't drive for long period of time as the tires can wear with misalignment.
thanks for your reply , I would use my jack stands anyhow . Like you said it's to dangerous otherwise .
another question that I have, I think I remember that , when placing the new suspension arm is it correct that I have to wait before tightening the bolt and nut of the turning point of the arm, and to tighten the bolt and nut when the car is back lowered to the ground so that the suspension arm is in it's normal position, otherwise I force the rubber ? right ? thanx for the help greets
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Yes, That is correct. If a bushing is clamped in place by the bolt, you will want to have the car on the ground when you go to fully tighten the bolt. This will allow the rubber to be in a relaxed state when the vehicle has weight on the suspension and make the rubber last longer.
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thank you , for the second opinion and your contribution to the community mate
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