···
Log in / Register

How to Clean Sludge on Engine Surface?

4 Answers
MiaRose
07/29/25 11:59am
Methods for cleaning engine sludge: 1. Generally, 4S shops clean engine sludge by adding cleaning agents to the engine lubrication system. 2. Before changing the oil, pour the sludge cleaning agent into the engine through the oil filler port, start the engine and let it idle for 5 to 10 minutes, then turn off the engine and drain the sludge cleaning agent along with the oil. Additional information: During engine operation, the high-temperature working environment, wear from the relative movement and friction of various surfaces, and the combustible gas mixture entering the crankcase from the cylinders will all affect the performance and quality of the engine oil.
Was this review help?
14
1
Share
DiJosie
08/13/25 9:33pm
I've worked on quite a few cars, and dealing with engine surface sludge requires proper methods. First, make sure the engine is completely cooled to avoid burns when working on a hot engine. I use a dedicated engine cleaner to spray the sludge areas, wait ten minutes for the sludge to soften, then gently scrub away the deposits with a soft-bristle brush. Be careful when rinsing—don't use a hose directly on the generator or wiring connectors; use a low-pressure water spray to avoid short circuits. After cleaning, dry it thoroughly with a cloth or air dry, and check for any oil leaks, as these are often the source of sludge. Regular cleaning reduces the risk of engine issues—I make it a habit to clean every three months to keep the car more durable.
Was this review help?
13
2
Share
Expand All
LeJosie
10/08/25 7:46am
I'm a DIY car owner, and cleaning grease isn't actually difficult. Last week, there was thick grease under my hood. I used a mixture of dish soap and water, roughly at a 1:5 ratio, sprayed it to cover the dirty areas. After waiting five minutes for it to foam up, I used an old toothbrush to gently scrub, applying extra effort on stubborn spots. When rinsing, I only used a garden hose at low pressure to wash away the foam, avoiding water getting into sensitive components. The whole process was safe and worry-free, costing less than 30 yuan in materials. After removing the grease, the engine cools more efficiently, and the car drives much smoother. I recommend everyone try this simple maintenance.
Was this review help?
16
4
Share
Expand All
LeStephen
11/22/25 2:18am
I'm quite environmentally conscious, so I choose biodegradable cleaners to remove engine sludge and reduce pollution. First, I wear gloves and a mask to protect against chemical exposure. After spraying, I let it sit for a few minutes before scrubbing the sludge deposits with a brush. I collect all the wastewater to prevent environmental harm by keeping it out of storm drains. The root cause of sludge is often oil leaks, so I inspect engine seals afterward and replace any with small cracks. Regular cleaning extends engine life and protects our planet.
Was this review help?
10
3
Share
Expand All
More Forum Discussions

What are the common issues with the Punch VT2 transmission?

The common issues with the Punch VT2 transmission are: 1. D-gear starting defect: When starting in D-gear, lightly pressing the accelerator does not move the car, but pressing slightly harder causes the engine to reach 1300 RPM and the car to lurch forward; 2. Jerking below 20 km/h: When decelerating from high speed to below 20 km/h and then pressing the accelerator to accelerate again, the car experiences slight jerking; 3. Low-temperature protection: After a cold start in extremely low environmental temperatures, the car cannot drive normally and requires idling to warm up until the transmission oil reaches a reasonable working temperature. The Punch VT2 transmission uses a relatively conservative friction plate clutch, which can amplify torque and eliminate vibrations within a certain range. The connection between the engine and transmission is soft, with power transmitted via hydraulic oil, resulting in good comfort.
7
4
Share

What are the safety precautions for forklift operations?

Safety precautions for forklift operations include: 1. No person should approach within 1.5 meters of the forklift's working area; 2. When reversing, the operator must first check the surrounding conditions and only proceed after confirming safety; 3. When reversing in workshops, warehouses, or narrow passages, someone should stand beside and behind the operator to provide guidance; 4. No standing or carrying passengers is allowed on any part of the forklift; 5. Overloading is prohibited, and the forks should not be raised too high during loaded travel to avoid affecting the forklift's stability. A forklift refers to various wheeled handling vehicles used for loading/unloading, stacking, and short-distance transportation of palletized goods. Its structural features and working performance are indicated by technical parameters such as rated load capacity, load center distance, and mast tilt angle. Forklifts are typically categorized into internal combustion forklifts, electric forklifts, etc.
1
5
Share

What are the reasons why a new energy vehicle cannot start even though it has electricity?

The reason why a new energy vehicle cannot start even though it has electricity is that there is carbon buildup in the throttle. Cleaning the carbon buildup can resolve the issue. New energy vehicle brands include: BYD Yuan New Energy, Roewe ei6, Roewe e550, BMW i8, BMW i3, etc. Taking the 2019 Yuan New Energy EV360 Zhilian Leading Edition as an example: The manufacturer of this vehicle is BYD, its class is a compact SUV, and its energy type is pure electric. The dimensions of this vehicle are 4360mm in length, 1785mm in width, and 1680mm in height, with a wheelbase of 2535mm. The body type is a 5-door, 5-seat SUV, equipped with a single-speed electric transmission, and features front-wheel drive.
12
2
Share

Where is the license plate with 'Su K' from?

Su K is the license plate code for Yangzhou City. The license plate codes for various cities in Jiangsu Province are as follows: Su A is for Nanjing City, Su B for Wuxi City, Su C for Xuzhou City, Su D for Changzhou City, Su E for Suzhou City, Su F for Nantong City, Su G for Lianyungang City, Su H for Huai'an City, Su J for Yancheng City, Su K for Yangzhou City, Su L for Zhenjiang City, Su M for Taizhou City, and Su N for Suqian City. License plates, commonly known as car tags, are plates attached to the front and rear of a vehicle, usually made of aluminum, sheet metal, plastic, or paper, displaying the vehicle's registration number, registration region, or other relevant information.
15
2
Share

How to set the horn sound when locking the Peugeot 408?

The method to set the horn sound when locking the Peugeot 408 is to select the lock option in the car's onboard computer settings, then click 'lock on' to activate the horn sound function when locking. There are two ways to lock the car: one is to use the lock button on the key to lock the doors, and the other is to lock the doors through sensing. Taking the 2020 Peugeot 408 230THP 10th Anniversary Edition as an example: the manufacturer of this car is Dongfeng Peugeot, it is classified as a compact car, the energy type is gasoline, the transmission is a 6-speed dual-clutch, the body type is a 4-door 5-seater sedan, and the maximum speed is 205 kilometers per hour.
3
1
Share

What Causes Poor Braking in Forklifts?

The reasons for poor braking in forklifts are: 1. Frequent use of brakes leading to excessively high oil temperature in the brake calipers and overheating pistons; 2. Untimely replenishment of brake fluid and air presence in the brake fluid channels. Solutions for poor braking in forklifts: 1. When experiencing poor braking while going uphill, downshift to medium or low gear in time to maintain sufficient power to reach the top of the slope and stop; 2. When poor braking occurs while going downhill and the vehicle's own mechanisms cannot control the speed, the driver should use natural obstacles to create resistance for the vehicle. Forklifts are widely used in construction projects such as highways, railways, buildings, hydropower, ports, and mines for earthwork operations. They are mainly used for loading loose materials like soil, sand, gravel, lime, and coal, and can also perform light digging operations on ores and hard soil.
10
0
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.