Are you 100% sure the vibration is drive line related? A failing injector can cause a vibration that feels like it's from the drive line.
Simply throwing parts at a vehicle is a very poor and expensive way to diagnose an issue with a vehicle.
totally agree with your conclusion, but if you have no idea where the cause of the problem is and rely on that the persons in the garage know what they do you end up in this "trial and error" and "process of eliminination" :-/
Meanwhile a young expert (very engaged, dedicated car technician with lots of practise, studying meanwile car technology) is looking for it he also has troubles to find the real cause, because it would require a lifting ramp / test bench where you could drive the car under load and have a look into it (best from beneath) to see the effect. Or technical stuff to have more motor control.
It obviously is a problem several LR2`s have, but I can`t find a real easy "how to get it fixed" manual because the troubles can come from several points (drive shafts, tyres, bearings, injectors, ...).
Okay, what has been done until now at my car ?
- everything in the back (frame, drive shafts, rods, etc.) in the back has been exchanged with the last haldex switch (bearing problem at Haldex, second time, may be chain reaction to vibrations from front). I told them to exchange everything simply because all was badly corroded.
- brakes have been reconditioned before MOT last year, front even needed new calipers (which will be checked now again for failures)
- at the front drive shaft right side has been just exchanged because of defective boot (and probably damaged joint)
- engine bearings look okay
- tyres are balanced and have same profile
- prop shaft is replaced (last guess from the garage I followed and paid - now no garages anymore, I`m out...)
- prop shaft is now removed to proof that the cause of the vibrations is definitely coming from the front of the car (I could kill this stupid garage owner that told me it would be the cause ...)
So yes, I throwed a lot of parts at the vehicle, but what chances do I have as stupid car owner ? Selling a faulty car is no option, no one would buy it ... or only with a nasty big discount.
Next steps we plan is :
- check calipers
- check injectors
lets see how far we get ...