A turbine housing assembly is disclosed. The turbine housing assembly may have a turbine housing. The turbine housing may have a turbine housing flange. The turbine housing assembly may also have a bearing housing having a boss extending from a compressor end to a turbine end opposite the compressor end. The bearing housing may also have a bearing housing flange abutting on the turbine housing flange. The bearing housing flange may be disposed between the compressor end and the turbine end. The turbine housing assembly may also have a clamping plate abutting on the turbine housing flange and the boss. Further the turbine housing assembly may have a backing plate abutting on the clamping plate. In addition, the turbine housing assembly may have a fastener disposed within the boss and attached to the backing plate.