I encounter really loud vibrating sound from while accelerating in the rain..the sound comes from engine bay or the wheel...(im not too sure)...BUT....accelerating same place on dry sunny...
i went to flush my coolant the other day and i saw this TRD thermostat. Tempted, i ask the mechanic to install it. when he open the place where the thermostat is, THERE IS NO THERMOSTAT! my mr2 does not...