How to Replace the Antifreeze in Baojun 310?
3 Answers
Steps to replace the antifreeze in Baojun 310: 1. Drain the old antifreeze by inserting a hose connected to a tap into the radiator filler neck until clean water flows out; 2. Add new antifreeze up to the Max mark, start the engine, and let it idle for 2 to 3 minutes; 3. As some air is expelled from the cooling system, the antifreeze level will drop, so top it up to the Max mark again. The Baojun 310 is a compact hatchback produced by SAIC-GM-Wuling. The car measures 4032mm in length, 1680mm in width, and 1450mm in height, with a wheelbase of 2550mm. It is equipped with two engines: a 1.2L naturally aspirated engine and a 1.5L DVVT naturally aspirated engine.
As a seasoned driver who's changed coolant three times myself, let me share some tips. First prepare bottled purified water and dedicated coolant – remember to wait until the engine completely cools down, at least three hours after turning it off. Unscrew the plastic drain plug at the radiator bottom (on my 310 model it's at the lower right), using a pan to catch the old fluid. After complete drainage, tighten the plug and slowly pour purified water through the radiator cap to flush the system, repeating 2-3 times until the water runs clear. Finally fill with new coolant to the MAX line, remembering to loosen the heater hose to bleed air. Start the engine until the temperature gauge reaches midpoint, then top up coolant to the midpoint. Special note: Dispose of old coolant properly as it's environmentally hazardous – I always take mine to repair shops for recycling. The whole process takes about 40 minutes and saves you around 200 yuan in labor costs.
It's actually super easy to do it yourself, but safety is key. I always keep Phoenix brand coolant on hand, and the Baojun 310 needs about 4 liters. Wear rubber gloves before starting, and never open the cap when the cooling system is under pressure. Before draining, open the radiator cap a few times to release pressure. See the drain hole at the bottom right of the engine bay? Use pliers to turn it counterclockwise. Important reminder: Never flush the system with tap water—mineral deposits will clog the heater core! I learned this the hard way and now only use distilled water. When refilling, pour slowly with a funnel to avoid air bubbles. After changing, drive a couple of kilometers and recheck the level—it'll drop slightly due to thermal expansion. Finally, I recommend changing it every two years; friends in the south can use -25°C rated coolant.
