How to check whether the water tank frame has been replaced? How to check whether the water tank frame has been replaced? The following is the method to check whether the water tank frame has been replaced: 1. Check whether the solder joints of the frame have been re-polished. 2. Look at the picture frame for signs of cosmetic surgery. 3. See if the paint of the frame is consistent with that of the engine compartment. 4. Are there any traces of repainting or redoing? 5. Check the side of the car body for signs of collision repair. See whether the door is close to the body, whether it is warped and whether the door crack is uniform. If it is repaired or replaced, there will definitely be some defects. The following is the introduction of the water tank: 1. Radiator belongs to automobile cooling system. The radiator in the engine water cooling system consists of three parts: water inlet chamber, water outlet chamber, main board and radiator core. Coolant flows into the radiator core and air flows out of the radiator core. 2. The hose of engine radiator will age and break easily after long-term use. Water can easily enter the radiator, the hose will break when driving, and the sprayed high-temperature water will form a mass of steam and spray out from under the engine cover. When this happens, you should immediately choose a safe place to stop and then take emergency measures to solve it. @20 19