When Do You Need To Overhaul Your Car Engine? Items & Quotes

Car engine is the "heart" of the car, playing a key role in providing power and performance. However, after a long period of use, the engine will degrade and need to be overhauled to restore performance.

If the vehicle makes strange noises such as screeching, unusual knocking, unusual exhaust smoke color, reduced power, more fuel consumption, oil and coolant leaks, it is a sign that the engine is having problems. topic. The engine overhaul process will focus on checking and handling important items such as engine parts, fuel injection and intake systems, exhaust systems, and cooling systems.

To provide a quote for car engine overhaul, it is necessary to consider factors such as car make, car model, car condition, replacement parts and pricing policy of each garage.

According to a survey report by Vietnam Register, the cost of overhauling a car engine in Vietnam usually ranges from 15 - 150 million VND.

Among many engine overhaul addresses today, Thanh Phong Auto Confidence is a reliable choice for quality service and reasonable prices. Let's learn more about the signs of need car engine overhaul and our services through the following article.

What is a Car Engine Overhaul?

Engine overhaul is the process of comprehensively restoring a car engine when it has been severely damaged or seriously degraded. Unlike normal repair, engine overhaul requires complete disassembly of the engine, inspection, cleaning and replacement of worn and damaged parts.

The main purpose of an overhaul is to help the engine operate smoothly, powerfully and as fuel-efficiently as when new.

When Do You Need To Overhaul Your Car Engine?

Some signs that a car needs an engine overhaul are: strange noises, unusual exhaust smoke color, reduced power, more fuel consumption, oil and coolant leaks.

• Abnormal noises: When the engine makes strange sounds such as knocking, screeching, or strong vibrations; This is a sign of worn or damaged parts such as pistons, piston rings, bearings, valves, etc.
• Exhaust smoke has an unusual color: White, blue or dark black smoke from the exhaust pipe shows that the engine is having problems such as burned valves, lubricant oil entering the combustion chamber, too much unburned fuel...
• Reduced power and increased fuel consumption: When the engine operates inefficiently, power is significantly reduced and gasoline consumption increases abnormally (possibly 10-20%).
• Oil and coolant leaks: Oil spills under the car, frequent drops in oil and coolant levels show that the engine is having problems with gaskets, seals, pipes, etc.

What Are the Main Items of Car Engine Overhaul?

Depending on the specific condition of each engine, the overhaul process may include the following tasks: overhaul of the engine part, overhaul of the intake and fuel injection system, overhaul of the exhaust system, overhaul of the cooling system. cool.

1. Overhaul the machine part

Perform the following tasks:

• Replace or renew pistons, piston rings, bearings, gaskets...
• Grinding and honing the cylinder to achieve precision and a smooth surface.
• Check and smooth surfaces such as machine surface, piston head surface, etc.

2. Overhaul the intake and fuel injection system

Hạng mục này bao gồm:

• Clean and replace injectors, spark plugs, air filters, fuel filters.
• Check and repair high pressure pumps, low pressure pumps, fuel pipes.

3. Overhaul the exhaust system

With the exhaust system overhaul item, KTV will:

• Replace details such as exhaust pipe, muffler, commutator, EGR valve...
• Clean or replace the exhaust catalyst and oxygen sensor.

4. Overhaul the cooling system

When overhauling the cooling system, it is necessary to:

• Replace coolant, water pump, radiator, belt...
• Clean the water tank and flush the entire cooling system.

How much does it cost to overhaul a car engine?

The cost of overhauling a car engine ranges from 20 - 50 million VND for popular cars, and can be up to 70 - 150 million VND for luxury or large cars.

Engine overhaul quotes depend on many factors such as car make, car model, damage condition, quality of spare parts and pricing policy of each garage. Specifically:

• Car brand, car model: Popular car models such as Toyota Vios, Hyundai i10, Kia Morning... have cheaper overhaul costs than luxury cars such as Land Rover, Mercedes, BMW, Audi...
• Damaged condition: The engine is seriously damaged, many parts need to be replaced, which will increase the cost.
• Quality of spare parts: Genuine spare parts often cost 30-50% more than replacements.
• Size and reputation of the garage: Large, reputable garages often have higher prices than small garages, because of better service quality and guarantees.

Below is the average price list for some popular car models in Vietnam:

Which Garage Provides Reputable, Cheap Car Engine Overhaul Service in HCM?

With more than 10 years of experience in the field of automobile repair and maintenance, Thanh Phong Auto Proud to be a trusted address for car owners in Ho Chi Minh City. Possessing a team of skilled, well-trained technicians, combined with modern equipment, we are committed to providing quality engine overhaul services, ensuring smooth and durable vehicle operation. .

At Thanh Phong Auto, each car is meticulously and carefully cared for. We understand that the engine is the "heart" of every car, overhauling the engine means giving your safety and trust.

Reasons to choose engine overhaul service at Thanh Phong Auto:

• Accurate diagnosis, dedicated advice

Before "touching" the engine, technicians will conduct an inspection, evaluate the overall condition and provide optimal solutions, to avoid waste and save costs for you.

• Modern equipment, standard procedures

Thanh Phong Auto's service workshop is invested in the most advanced machinery and technology today such as engine diagnostic machines, exhaust gas analyzers, piston and cylinder microscopes... All stages are strictly followed. manufacturer's process, ensuring the highest quality and accuracy.

• Genuine spare parts, long-term warranty

We commit to only using genuine spare parts, absolutely saying "no" to counterfeit or poor quality products. All replacement parts are warranted for 6 to 12 months, giving you peace of mind when using them.

• Professional, friendly service

Thanh Phong Auto's staff is trained to satisfy even the most demanding customers. We are always ready to listen, advise and answer all of your questions, even when you do not use the service. Your satisfaction is the goal and motivation for us to constantly improve service quality.

• Transparent and competitive price list

Engine overhaul costs are disclosed and quoted in advance to customers. We commit to not incur any unexpected fees. With competitive prices and good after-sales service and warranty, Thanh Phong Auto is confident that it is the right and economical choice for you.

Answering Questions Related to Car Engine Overhaul

1. How is engine overhaul different from routine maintenance?

Periodic maintenance is the inspection, cleaning and replacement of some simple engine parts according to the manufacturer's schedule, usually every 5.000 - 10.000 km.

Meanwhile, engine overhaul is the process of completely disassembling the engine, inspecting, repairing and replacing worn and damaged parts to restore performance like new. Engine overhaul is usually performed after about 200.000 - 300.000 km or 7-10 years of use.

2. Why is it necessary to periodically overhaul the engine?

Engine overhaul helps restore the engine's performance, capacity and durability, helping the vehicle operate smoothly and save fuel. At the same time, overhauling also helps detect and prevent serious damage, prolong the life of the engine and minimize the risk of unexpected failures. Read the article now: Summary Things to consider when overhauling a car shared by industry experts.

3. How long does it usually take to overhaul a car engine?

Engine overhaul time depends on the level of damage and scale of repair. Normally, the overhaul process lasts from 5-7 days for lightly damaged engines, and can take up to 2-3 weeks for severe cases that need to replace many parts.

4. How to prolong engine life and minimize overhaul costs?

Some effective measures include:

• Perform periodic maintenance according to the manufacturer's regulations.
• Use high quality fuel and lubricants suitable for the engine.
• Warm up the engine before starting, do not accelerate suddenly when the engine is still cold.
• Do not overload or use the vehicle in flooded conditions.
• Timely replace worn parts such as air filter, oil filter, fuel filter...

5. Should I choose genuine parts or replacement parts when overhauling an engine?

Genuine spare parts are the best choice because they have the highest quality and durability, and are manufactured according to the manufacturer's standards. However, their cost is often 30-50% higher than replacement parts.

Replacement parts from reputable brands (OEM) can be a good choice at an affordable price, meeting 70-80% of the quality of genuine products. Avoid using poor quality spare parts of unknown origin to ensure safety and efficiency of overhaul. See the article now: How to identify different types of auto parts – Genuine, OEM, Aftermarket most accurate.

6. Can overhauling an engine restore 100% performance like when new?

Impossible, because after a long period of operation, the engine's details have been significantly worn and aged. Overhaul can restore 70-90% of an engine's performance, depending on the original condition and quality of service.

However, the lifespan of an overhauled engine is often shorter than when it was new and the vehicle still has the potential for failure, especially if not properly maintained.

7. Should I buy a car that has had its engine overhauled?

Depending on the case, if the car has been overhauled by reputable garages, uses good quality spare parts and has complete records and clear maintenance history, it can still be considered. However, it is necessary to carefully check the condition of the engine, chassis, electrical system... and have an appropriate warranty policy.

For cars that have been overhauled of unknown origin or many times, it is best to avoid buying to ensure safety and avoid the risk of future repair costs. Also you need to pay attention buy used cars At a reputable address to be assured of quality.

8. Does Thanh Phong Auto support rescue and transport vehicles to the garage?

provided by Thanh Phong Auto 24/7 rescue service within Ho Chi Minh City. You just need to call the hotline, the rescue team will come to the location and transport the car to the garage safely and quickly.

9. Which brand of car engine does Thanh Phong Auto accept to overhaul?

Thanh Phong Auto receives engine overhauls for most car brands such as Lexus, Nissan, Kia, Hyundai, Toyota, Mazda, Suzuki, Mitsubishi, Mercedes, BMW, Audi, Porsche...

Contact us immediately for dedicated service!