  We compute the heavy quark momentum diffusion coefficient using effective
kinetic theory for a system going through bottom-up isotropization until
approximate hydrodynamization. We find that when comparing the nonthermal
diffusion coefficient to the thermal one for the same energy density, the
observed deviations throughout the whole evolution are within 30% from the
thermal value. For thermal systems matched to other quantities we observe
considerably larger deviations. We also observe that the diffusion coefficient
in the transverse direction dominates at large occupation number, whereas for
an underoccupied system the longitudinal diffusion coefficient dominates.
Similarly, we study the jet quenching parameter, where we obtain a smooth
evolution connecting the large values of the glasma phase with the smaller
values in the hydrodynamical regime.
