How to Replace Vehicle Antifreeze?

2 Answers
AdalineLee
07/29/25 4:46pm
Vehicle antifreeze replacement method is as follows: Before completely replacing the antifreeze, conduct a thorough inspection to check for any signs of leakage or cracks in the pipes, with a particular focus on the five-way water pipe. The five-way pipe is named for its five connections to various parts, and the antifreeze is distributed to different sections of the car through this pipe to function. If there is any antifreeze leakage in this part, replace the water pipe or re-secure the connections as needed. Drain the old antifreeze, then flush the liquid channels with clean water. Add clean water to the antifreeze reservoir, then continue to pour water into the reservoir to allow it to circulate continuously through the engine cooling system. Start the engine and let it idle for 3 to 5 minutes to ensure the water circulates. Initially, the water flowing out of the reservoir may have a slight pink tint. Continue adding clean water until the outflow is clear. Note: Remember to remove the heater hose and drain the water from the heater core. After draining for about an hour, add the new antifreeze through the radiator hose to allow it to flow quickly into the radiator. Then, add another bottle of antifreeze to the antifreeze reservoir until it is nearly full. Start the engine and let it run for about 10 minutes. During this time, the coolant level will drop as air is expelled from the system. Top up the antifreeze to the "MAXT" mark on the reservoir.
Was this review help?
5
5
Share
DiLukas
08/14/25 6:24am
I remember being quite nervous during my first coolant change, but after doing it for a few years, I found it actually quite simple. The key is to wait until the engine is completely cooled before starting, and don't rush to open the cap to avoid burns. First, pick a cool day, put on gloves, open the hood and locate the coolant reservoir. There's a drain valve at the bottom—just gently unscrew it to let the old fluid flow into a container (old coolant must be recycled, never dumped randomly). It's better to flush the system after draining; add clean water, run the engine for a few minutes, then drain again. Mix the new coolant with water according to the vehicle manual's ratio—I prefer using all-in-one types for better rust prevention and boiling resistance. After filling the reservoir, remember to bleed the system—start the engine and wait for the fan to kick in, then top up as the level drops to avoid air bubbles affecting cooling. The whole process takes about half an hour, and after the change, the engine cools more evenly, reducing overheating risks. It's recommended to change it every two years, as old coolant can acidify and corrode components.
Was this review help?
17
1
Share
Expand All
More Forum Discussions

Is Volvo's Automatic Braking Function Good to Use?

Volvo's automatic braking function is effective, offering a high user experience and receiving positive feedback from users. Overall, Volvo's automatic braking function performs well. Definition of Automotive Braking: Braking, also known as stopping, refers to the action of halting or reducing the speed of moving locomotives, vehicles, other transportation tools, or machinery. The general principle of braking involves fixing a wheel or disc on the high-speed shaft of the machine and installing corresponding brake shoes, bands, or discs on the machine base, which generate braking torque under external force. Characteristics of Brake Pads: Automotive brake pads refer to the friction materials fixed on the rotating brake drum or brake disc of a wheel. The friction linings and blocks within them withstand external pressure to create friction, thereby achieving vehicle deceleration.
3
1
Share

What is the fuel tank capacity of the Chery E3 in liters?

The fuel tank capacity of the Chery E3 2015 1.5L Manual Fun Edition is 42L. It is equipped with a 1.5L naturally aspirated engine and a 5-speed manual transmission (MT). The drivetrain is front-engine, front-wheel drive. The front suspension type is MacPherson independent suspension, and the rear suspension type is torsion beam non-independent suspension. In the same vehicle class, the Baojun 310 2020 1.2L Manual Value Edition has a fuel tank capacity of 30L, while the Kia Pegas 2020 1.4L Automatic Comfort Sunroof Edition has a fuel tank capacity of 43L. During actual refueling, the amount of fuel may exceed the calibrated capacity. This is because the fuel tank capacity marked by the manufacturer is measured from the bottom of the tank to the safe fill level, and there is additional space from the safe fill level to the tank opening. This space ensures that the fuel can expand when temperatures rise without overflowing. If fuel is filled up to the tank opening during refueling, the actual amount of fuel added may exceed the calibrated tank capacity. To check the remaining fuel level, drivers can observe the fuel gauge on the right side of the instrument panel, which is marked with E and F. When the needle is close to E, it indicates low fuel, and when it is near F, it indicates a sufficient fuel level.
10
0
Share

How many kilometers should the CFMOTO 250SR be serviced at?

The maintenance cycle for the CFMOTO 250SR is as follows: The break-in period is between 1500 to 2000 kilometers, during which the engine oil should be changed at 200, 500, 800, 1500, and 2000 kilometers. At 2500 kilometers, clean the air filter and oil filter, drain the old oil, and replace it with new oil. For subsequent maintenance, the engine oil and air filter should generally be replaced every 1500 kilometers. Here is more relevant information about the CFMOTO 250SR: Body dimensions: The length, width, and height of the CFMOTO 250SR are 2010mm, 750mm, and 1080mm respectively, with a fuel tank capacity of 12L and a curb weight of 165kg. Colors: The available colors are Starlight Black and Starlight White.
12
5
Share

Is it necessary to walk around the car in Subject 2?

Subject 2 test does not require walking around the car. Walking around the car is part of the Subject 3 test. Here is an introduction to Subject 2: Introduction: Subject 2, also known as the small road test, is part of the motor vehicle driver's license assessment. It is the abbreviation for the field driving skills test. For small cars C1 and C2, the test items include five compulsory tests: reverse parking, parallel parking, stopping and starting on a slope, right-angle turns, and curve driving. Objectives: Master the basic driving operation essentials and possess the basic ability to control the vehicle; proficiently master the basic methods of field and road driving, have the ability to reasonably use vehicle control components and correctly control the spatial position of the vehicle, and be able to accurately control the vehicle's driving position, speed, and route.
6
1
Share

Can the turn signal be directly reattached if it falls off during Subject 3?

If the turn signal falls off during Subject 3, it can be directly reattached; otherwise, 10 points will be deducted. Below is relevant information: Introduction: Subject 3, which includes the road driving skills test and the safety and civilized driving knowledge test, is part of the motor vehicle driver's license assessment. It is the abbreviated name for the road driving skills and safety and civilized driving knowledge test subjects in the motor vehicle driver's examination. The content of the road driving skills test varies for different types of vehicles eligible for driving. Test Content: The road driving skills test for Subject 3 generally includes: preparation before getting on the vehicle, simulated lighting test, starting, driving straight, shifting gears, changing lanes, pulling over, going straight through intersections, turning left at intersections, turning right at intersections, passing pedestrian crossings, passing school zones, passing bus stops, meeting oncoming vehicles, overtaking, making U-turns, and nighttime driving.
11
4
Share

Is Subject 4 composed of 50 or 100 questions?

Subject 4 consists of 50 questions. Below is an introduction to Subject 4 and its examination content: Introduction to Subject 4: Subject 4, also known as the Subject 4 theoretical test or driver's theoretical examination, is part of the motor vehicle driver's license assessment. Scope: 50 questions are randomly selected from the Subject 4 question bank in proportion. Duration: The examination lasts 45 minutes. Question types: The test includes true/false questions, single-choice questions, and multiple-choice questions. Content: The examination covers picture-based questions, scenario recognition questions, and text-based narrative questions. Examination Content: The Subject 4 safe and civilized driving knowledge test includes: requirements for safe and civilized driving operations, knowledge of safe driving under adverse weather and complex road conditions, emergency handling methods for situations such as tire blowouts, and post-accident handling knowledge.
20
4
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.