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Apr 10, 2016 11:27:38 GMT
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Hey guys, I have been a member for years and this is my first ever post! I use google search and it brings me back to the forum most of the time  I wondered if there was any easy way of lowering the rear of my car? I seem to mess it up every time i try. The back end always sits lower than the front and my lights shine the top of trees up at night or i just can't seem to get the level right. If its not to low then the car sits wonky like one side is lower than the other. I am only trying to drop it 40mm! If only it was springs  |
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sb
Part of things
Posts: 725 
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Apr 10, 2016 17:47:17 GMT
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Jack up rear.
Measure from bottom of the arch (centre) to the centre of the hub.
Take off end plate and slid out the bar.
Lift the hub, use the measurement done before and remove 40mm.
Keep in place and slide the bar back in and replace end plate.
Repeat on other side.
Ta-da that should be a perfect level drop.
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Last Edit: Apr 10, 2016 17:48:21 GMT by sb
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welshpug
Posted a lot
Posts: 4,342
Member is Online
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Apr 10, 2016 19:27:27 GMT
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much like a pug but simpler.
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Apr 10, 2016 20:38:43 GMT
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Cheers guys, I shall give her another go.
Do you think it's not going right because i Jack up 1 side then the other?
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sb
Part of things
Posts: 725
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Apr 10, 2016 21:17:15 GMT
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Cheers guys, I shall give her another go. Do you think it's not going right because i Jack up 1 side then the other? It should be the same. You can jack it up in one go off the rear beam. Id recommend lift the whole rear, measure both sides and then remove both sides and do them together. If you can, do one side and get a length of wood the right size to make sure the other is identical. If youre still lopsided check the shocks. |
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steveg
Posted a lot
Posts: 1,565
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Apr 10, 2016 23:46:09 GMT
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I made up a dummy shock out of some threaded bar and a few bits of angle welded together. Do one side, leave the dummy shock set to length and then do the other side to match.
I still have it but I modified it to use on my Citroen AX so I don't think it will fit a Renault now.
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Apr 13, 2016 13:38:53 GMT
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I appreciate all your replies I won't get round to doing it till the weekend if the weather stays fine. I shall jack up the rear beam so both sides are off the ground, Do 1 side then try to find something to mirror it to the opposite side. Fingers crossed she works |
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steveg
Posted a lot
Posts: 1,565
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Apr 13, 2016 14:45:07 GMT
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Think it's best lift the back up as you will be fighting the anti roll bar otherwise. I think you will need to remove at least one eld of both shocks so that the suspension is being help up just by the torsion bar. Measure it in this state, either to part of the car or the ground.
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sb
Part of things
Posts: 725
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Think it's best lift the back up as you will be fighting the anti roll bar otherwise. I think you will need to remove at least one eld of both shocks so that the suspension is being help up just by the torsion bar. Measure it in this state, either to part of the car or the ground. So long as the shocks are in decent condition, and the same condition as each other, you shouldnt need to remove them. Also always measure to the body, its far more accurate than uneven ground or jack height. |
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steveg
Posted a lot
Posts: 1,565
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Think it's best lift the back up as you will be fighting the anti roll bar otherwise. I think you will need to remove at least one eld of both shocks so that the suspension is being help up just by the torsion bar. Measure it in this state, either to part of the car or the ground. So long as the shocks are in decent condition, and the same condition as each other, you shouldnt need to remove them. Also always measure to the body, its far more accurate than uneven ground or jack height. I didn't explain very well, with the car on the ground then what you have said is right. If you can find a flat enough floor push the car back and forth to settle it and leave the handbrake off, then measure it. With the car jacked up though you need to un-tension the torsion bar completely. With this done measure the distance between the hub center line and a datum. Remove the torsion bar. Raise the suspension arm using a jack the amount you want to lower it and then replace the torsion bar. You have to keep twisting the bar until the splines slide in easily. Do the same the other side and check the height on the ground. You should have the car level side to side but you might need a couple of goes to get the height correct. Hope that makes a bit more sense. Having a dummy shock means you don't need to use a jack to support the suspension arm while the torsion bar is removed but it doesn't make much difference if you are careful when measuring. |
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Apr 18, 2016 14:39:41 GMT
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Hello again guys, So i must of been working on this for around 2 hours! I can't get both sides exactly the same but i am now .7mm out on the passenger side. i'm not really going to let it bother me that much and will call it job done. It's not noticeable so happy days. I appreciate everyone's in put. Thank you. |
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Adey
Posted a lot
Posts: 1,356
Club RR Member Number: 171
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Renault 5 - Lowering torsion barAdey
@adey1984
Club Retro Rides Member 171
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Apr 21, 2016 20:07:25 GMT
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.7mm you serious? wouldnt worry about that, feck when you get in it will lean anyway. good work though
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I wondered if there was any easy way of lowering the rear of my car?
