What are the hazards of cleaning an engine with diesel?

2 Answers
HarleyMarie
07/29/25 11:32pm
Below are the hazards of cleaning an engine with diesel: 1. Without disassembly and inspection, some long-term formed deposits and lacquer films cannot be cleaned thoroughly in a short time. 2. Since the viscosity of diesel is much lower compared to engine oil and it lacks anti-wear additives, cleaning without disassembly can cause wear to the engine's friction components. 3. Diesel has strong permeability and corrosiveness, which can cause all rubber products to expand, leading to the failure of all oil seals in the vehicle. Below is additional information: 1. Engine cleaning mainly includes cleaning the oil passages and cleaning the lubrication surfaces of the engine through the lubrication system. 2. Engine cleaning helps maintain the cleanliness of engine components, reduces wear on engine parts, effectively lowers the engine failure rate, and ensures the normal operation of all engine components.
Was this review help?
11
0
Share
LeMakayla
08/16/25 2:26am
I've been repairing cars for 20 years and seen plenty of trouble caused by using diesel to clean engines. That stuff isn't meant for cleaning - it washes away all the internal lubricating grease, causing piston rings and cylinder walls to grind against each other with terrible noises, shortening engine life. What's worse, diesel residue left in the fuel system can clog injectors, making your car idle roughly or struggle with acceleration. Plus, diesel is highly flammable. If it accidentally splashes onto hot components like the exhaust pipe during cleaning, it can easily start a fire - definitely not a minor accident. I still remember one customer who tried this at home - sparks ignited the diesel and blackened the entire hood. Bottom line: this method carries too much risk. Just use professional engine cleaners instead.
Was this review help?
4
1
Share
Expand All
More Forum Discussions

Will a Broken Radiator Cap Cause Overheating?

A broken radiator cap will not cause the engine to overheat, but it can lead to coolant loss. The reasons for engine overheating are as follows: 1. System blockage or internal obstruction of the radiator. 2. Mechanical blockages, such as a malfunctioning or damaged thermostat, or a faulty water pump. 3. Air lock, where high pressure from the engine cylinders enters the cooling system. 4. Poor heat dissipation, such as low-speed cooling fans, damaged fan shrouds, or a dirty radiator surface. 5. Cars with electric fans may experience delayed fan activation. Note: Regardless of the cause, it is essential to stop the vehicle promptly and avoid driving forcefully. Overheating prevents proper engine cooling, which can lead to engine damage or failure. Once the temperature drops, drive slowly. If the temperature rises rapidly again, stop immediately and do not restart the vehicle. Seek professional repair assistance or have the car towed to a 4S shop for inspection.
6
2
Share

How to Start a FAW-Volkswagen Magotan?

FAW-Volkswagen Magotan starting methods: 1. For vehicles with one-button start, first fasten the seat belt after entering the car, then press the brake pedal, and finally press the one-button start switch to ignite the engine; 2. For vehicles with mechanical keys, insert the car key into the ignition switch, wait for the system self-check, then turn the mechanical key to start the engine. The Magotan is a B-class sedan produced by FAW-Volkswagen, with dimensions of 4866mm (length) × 1832mm (width) × 1464mm (height) and a wheelbase of 2812mm. For suspension, it features lightweight optimized MacPherson front suspension and multi-link rear independent suspension. Safety features include ESP, AUTOHOLD, EPB, large-size brake discs, and intelligent cruise control.
1
2
Share

What are the driving tips for automatic transmission cars?

Driving tips for automatic transmission cars: 1. Engage P gear only after the car is completely stopped: After the car enters the parking position, hold the brake, shift the gear lever to N gear, pull up the handbrake, release the foot brake, then turn off the engine, and finally push the gear lever into P gear; 2. Shift into driving gear: When starting the car to move, only after stepping on the brake pedal can the gear lever be moved out of P gear or N gear and shifted into driving gear; 3. Use N gear to start: After starting the vehicle, you can first turn on the power, hold the brake, push the gear to N, then ignite, and then shift into D gear to move forward directly; 4. Do not coast in N gear while driving: Because the automatic transmission needs lubrication, when the gear is placed in N while driving, the oil pump cannot supply oil normally for lubrication, which will cause the temperature of the internal parts of the transmission to rise and result in complete damage.
2
5
Share

What engines are equipped in the Mercedes-Benz C-Class?

The Mercedes-Benz C-Class is equipped with a total of three engines: a low-power version of the 1.5-liter turbocharged engine, a high-power version of the 1.5-liter turbocharged engine, and a 2.0-liter turbocharged engine. The low-power version of the 1.5-liter turbocharged engine has a maximum power of 115 kW, a maximum torque of 250 Nm, a maximum power speed of 5,700 rpm, and a maximum torque speed ranging from 1,500 to 4,000 rpm. The high-power version of the 1.5-liter turbocharged engine has a maximum power of 135 kW, a maximum torque of 280 Nm, a maximum power speed of 6,100 rpm, and a maximum torque speed ranging from 3,000 to 4,000 rpm. The 2.0-liter turbocharged engine has a maximum power of 190 kW, a maximum torque of 370 Nm, a maximum power speed of 6,100 rpm, and a maximum torque speed ranging from 1,800 to 4,000 rpm.
8
4
Share

Is it still necessary to affix the annual inspection sticker for vehicle inspection?

It is no longer necessary to affix the annual inspection sticker for vehicle inspection. Starting from June 2020, the nationwide implementation of electronic annual inspection labels began. Now, when vehicle owners go for their annual vehicle inspection, they will not receive a paper annual inspection label upon passing the inspection. Instead, vehicle owners can directly obtain the electronic annual inspection label on the Traffic Management 12123 platform. Here is some additional information: 1. Required documents for annual inspection: Vehicle license; Compulsory traffic insurance certificate; Vehicle and vessel tax payment or tax exemption certificate (usually purchased together with compulsory traffic insurance and can be found in the compulsory traffic insurance policy); Owner's ID card. If someone else is handling the inspection on behalf of the owner, the representative must bring their ID card. 2. Annual inspection items: The inspection mainly includes vehicle testing, safety testing, exhaust emission testing, etc. Newly added items now include appearance inspection, OBD inspection, fuel evaporation testing, and adjustments to pollutant emission limits.
2
2
Share

How Often Should the Brake Fluid in a Sagitar Be Replaced?

Sagitar brake fluid should be replaced every two years or 40,000 kilometers. Below is relevant information about brake fluid: 1. Introduction to Brake Fluid: Brake fluid is made from refined diesel distillate with thickeners and antioxidants added. 2. Checking the Moisture Content in Brake Fluid: Brake fluid has a certain level of corrosiveness and strong water absorption. A dedicated brake fluid tester can be used to check the moisture content in the brake fluid to determine if replacement is needed. You can also observe the color of the brake fluid; if it appears black, it likely needs replacement. 3. Brake Fluid Should Not Be Mixed: Note that different types and brands of brake fluid should not be mixed. Due to differing formulations, mixing brake fluids can reduce their performance indicators.
9
1
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.