Hi I has anyone ever had to replace a gearbox stabiliser mount?. I have a 15plate Nissan xtrail and when I took the car to Nissan, they advised the car may require the engine mounts to be replaced at over £300k. Took the car to my local indi garage and they reckon its the gearbox stabiliser mounts that needs to be replaced at under £70. Has anyone had to replace the gearbox stabiliser mounts if so, what sort of sounds did you hear from the car. In my case, I hear a soft thud, when I compress the clutch, accelerator and also change the gears, so could this be a gearbox stabiliser mount issue?

Its tough to say without experiencing it first hand.

It is more likely to be a stabiliser mount as in the gearbox mount as it is under a backwards and forward motion that is causing the noise.
Therefore, it has to be a mount or stabiliser bar that controls that motion