Check whether the solder joints of the frame have been re-polished and whether the frame has been reshaped. There are many ways to check whether it is the original car water tank rack. The methods to check whether the Audi q5 is the original water tank frame include: checking whether the welding points of the frame have been re-polished, whether the frame has been reshaped, whether the paint of the frame is consistent with the paint of the engine compartment, whether it has been repainted or re-made, and so on. Automobile gantry, also called water tank rack, is used to install heat dissipation things.