Torsion bar cross weight adjustment5/29/2023 ![]() ![]() This is what the JD tool does for you - when it works. With any tension don't even try, it'll totally strip the threads and snap out on you. When the bar is loose without tension, it is easy to do and undo the bolts at the back holding it into the body. In other words, you don't have to have the lower wishbone tightly assembled into the engine frames to achieve a result here but do remember safety first.Ħ/ Mark the two end of the bar and then wind in one click at one end and wind out one click at the other end such that you'll be under more tension. This is because to you may need to offset the torsion bar laterally to be able to get the amount of tension you need into it and having something which has no degrees of freedom to move may not allow you the leeway to get enough of the lower wishbone aligned with more tension in the bar than before at an angle that lets you do any jacking safely. Don't put your hands in the way.ĥ/ Consider loosening or fitting longer bolts onto the lower wishbone to frame joints. This may not be fun as it'll want to twist a long way and snap out on you if it can. That's exactly right and may involve putting quite a lot of tension into the bar than you might have thought.ġ/ Raise the front of the car via the picture frame.Ģ/ Pop the top ball joint and undo top shock mount.ģ/ Place a jack under the lower wishbone and then remove the wheel.Ĥ/ Wind the tension out of the bar by taking the jack down. I could I guess make one from two torsion bar fittings, but they don't seem to be available from the usuals, anyone got a pair of Torsion Bar Brackets Pt number C36107 they are willing to sell? Alternatively (and probably preferably) anyone know of a source of the JD 43 tool - remember I can't just hire it from Jaguar Enthusiasts Club as I live in Australia. I did manage to put some tension into the bars some years ago on initial set up, but this was pretty difficult without the tool and it appears that maybe I didn't get enough pre-tension into them.Īnyone got any bright ideas how I can tension the bars more and increase the ride height that way (without the special tool)? I need at least one spline past the "resting" position and would prefer a little more if possible. The manual refers to a torsion bar tool JD 43 and I understand how this is used to tension the torsion bars by using a turnbuckle, but of course I don't have one of these tools or access to one. I understand the way in which you can load up the torsion bars and have followed the setting guide in the manual, at least as far as I can. Measured the front ride height of the car at the weekend, and found it a little low, this is despite the fact the snail cam adjusters were virtually at their upper limit (just to be clear, this is a Series 3 car with the adjustment capability from new). ![]()
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