Clunking sound when shifting

[TRDmod]

Shifting hard, high revs, high speed, .... clunking sound....suspecting diff loose, but got it checked, its secured, could it be diff mount, any ideas?

i mean it doesnt feel unstable, or losing power or transmission, but clunking and not smooth when changing gears fast...any ideas,

how do i get it fixed, where, etc what do i do:)

[FXGTV]

turn up your radio

[TRDmod]

i dont have one:)

[nmemr2]

gearbox mate.
look into it, i cant say for sure but its my guess at this stage
happened to me just recently

[Crucible]

i mean it doesnt feel unstable, or losing power or transmission, but clunking and not smooth when changing gears fast...any ideas,

Fast selecting wont allow the syncro to bring the gear up to speed, thats why your getting a crunch as Syncro "Dog teeth" arent aligned before engagement.
If its doing it in one gear only it may be a Syncro blocking cone getting worn, but then again slamming it into gear aint gonna let it do its job.
If its selecting fine when cruising then you may have to slow down the old gear selecting a bit, otherwise yeap the trans is going to need attention soon.

Could be wrong

TNT

[Dell'Orto]

What sort of vehicle is it? If its a FWD/transverse mounted motor, its probably a gearbox mount.

[Difficult_E]

Yeah my mate had a 1600 in his famila and changed it to a 1800 and didnt swap the box mounts, and he has that cluncking sound.