Thread: How much movement is acceptable on a 300 tdi turbo?

although remember many turbos use a solid bearing that relies on a 'skim' of pressurised oil to 'float' the spindle so there will be some movement in these types.
Dave

There should be 'side to side' movement at all, as for 'back and forth' which I'll call end-float, that should be minimal only about 1mm max.

This end-float allows for the rotor to thrust forward when under full load and spinning around the region of 40K RPM. Must admit I'm not too sure of the RPM of that particular turbo, but it'll be spinning somewhere around that +/-.