Browse
For Sale
Antiques CollectiblesApparelBaby Kids ItemsBooks， Movies And MusicElectronicsFree StuffGarden OutdoorHealth BeautyHome GoodsHome Improvement SuppliesMusical InstrumentsOffice SuppliesPet SuppliesSporting GoodsTicketToys GamesTransportationOthers
Jobs
AccountingAdministration & Office SupportAdvertising， Arts & MediaBanking & Financial ServicesCall Center & Customer ServiceCEO & General ManagementCommunity Services & DevelopmentConstructionConsulting & StrategyDesign & ArchitectureEducation & TrainingEngineeringFarming， Animals & ConservationGovernment & DefenseHealthcare & MedicalHospitality & TourismHuman Resources & RecruitmentInformation & Communication TechnologyInsuranceLegalManufacturing， Transport & LogisticsMarketing & CommunicationsMining， Resources & EnergyReal Estate & PropertyRetail & Consumer ProductsSalesScience & TechnologySelf EmploymentSport & RecreationTrades & ServicesOther
Property
BuyRent
Cars
Used CarsNew CarsOthers
Services
BusinessCraftsDesign And WebEventsHome ImprovementLegalLessonsPersonalPetsPhotographyRepair And Technical SupportWellnessWriting， Translation， And TranscriptionOthers
Community
Activities & GroupsArtists & MusiciansClasses & LessonsEventsFriendship & NetworkingLost & FoundRideshareSports TeamsVolunteersTravel & Travel PartnersSkills & Language SwapOther

What Causes Oil Leakage from the Rear Wheels of Large Vehicles?

1 Answers
AliceMarie
07/30/25 12:04am
Oil leakage from the rear wheels of large vehicles is related to the axle head oil seal and the rear axle breather valve. The issue may arise from a damaged wheel hub oil seal or a clogged rear axle breather valve. Potential Hazards: This can lead to ineffective braking, vehicle deviation, and increased gear oil consumption. If the rear axle leaks oil over an extended period without regular checks on the gear oil level and timely refilling, it can cause premature wear of components such as the differential and reduction gears. In severe cases, sudden failure may occur while driving. Additionally, if gear oil from the rear axle flows into the brake drum via the wheel hub, it may wash away some of the bearing grease, leading to insufficient lubrication of the wheel hub bearings. This can result in the erosion and damage of rolling elements or protective rings. Troubleshooting: Upon discovering gear oil leakage from the rear wheels, promptly identify and address the root cause. If the breather valve on the rear axle housing is clogged, replacing it in time can resolve the oil leakage issue. First, verify whether the leaked oil is indeed gear oil before taking appropriate measures. If it is gear oil, check the oil level. If the rear axle gear oil is not excessive, focus on inspecting the rear axle breather valve. Should the breather valve be clogged or damaged, repair or replace it to eliminate the fault.
Was this review help?
15
2
Share
More Forum Discussions

How to Solve the Problem of High Car Water Temperature?

Solutions for high car water temperature are as follows: 1. Check if the water pipe is leaking: If there is a leak, it indicates that the high water temperature might be caused by the leakage. If the leakage is not severe and there is still a significant amount of coolant in the radiator, you can add spare coolant if available. If not, you can use purified water as a temporary emergency measure and drive to the nearest repair shop for inspection. During this period, always monitor the water temperature. If the water temperature rises, pull over, add coolant, and wait for the temperature to drop. 2. Check if the water pipe or radiator is cracked: If a crack is found, it is recommended to stop driving immediately and call for assistance. If no signs of leakage are detected, the high water temperature is not caused by insufficient coolant. In this case, let the engine idle for a few minutes, adjust the air conditioning to the heating mode (turn off A/C), set the fan to maximum speed, and open the hood to help the engine cool down. 3. Check if the cooling fan is functioning properly: When the engine water temperature is too high, the fan should continue running even after the engine is turned off. If the fan does not move, try manually rotating the fan blades to see if the fan motor is stuck. Under normal conditions, the blades should rotate easily. If the motor is functioning properly, check the fan fuse.
18
3
Share

At What Age Can You Sit in the Front Passenger Seat?

You can sit in the front passenger seat at the age of 12 or older. There are no strict regulations explicitly prohibiting children from sitting in the front passenger seat or mandating the use of child safety seats. However, there is a clear regulation that minors under the age of 12 are not allowed to sit in the front passenger seat. Although minors aged 12 or older can sit there, it is advisable to use a child safety seat for added security. Additionally, pregnant women should avoid sitting in the front passenger seat. Due to their body shape, seat belts are not specifically designed with pregnant women in mind, so to minimize unnecessary risks, they should refrain from sitting in the front passenger seat.
10
2
Share

Can the Lamando use 92-octane gasoline?

Lamando is not allowed to use 92-octane gasoline. The Lamando is equipped with turbocharged engines, so this vehicle requires 95-octane or higher premium unleaded gasoline, which must comply with the GB18352.5 and GB17930 standards. Using leaded gasoline can severely damage the engine and its fuel system, and may also reduce engine power or cause the engine to fail. The Lamando is a compact sedan under the Volkswagen brand. It comes with two engine options: a low-power version of the 1.4-liter turbocharged engine and a high-power version of the 1.4-liter turbocharged engine. The recommended fuel grade for the Volkswagen Lamando can be found on the label inside the fuel tank filler cap. If you must use gasoline with a lower octane rating than 95, you should avoid high-speed, high-load operation of the engine, as overloading can damage the engine. Instead, operate the engine at moderate speeds. Higher-octane gasoline burns more slowly, reducing combustion knock and requiring a higher engine compression ratio. Conversely, lower-octane fuel burns faster, causing more combustion knock and requiring a lower compression ratio. Fast-burning low-octane gasoline requires delayed ignition timing, while slow-burning high-octane fuel requires advanced ignition timing. Therefore, if a car designed for 95-octane gasoline is filled with 92-octane fuel, it is more likely to experience knocking. Knocking can lead to reduced engine power, increased temperature, higher load and wear on internal engine components, increased carbon deposits, and deformation of engine parts due to elevated temperatures.
20
0
Share

Can Diesel Vehicles Use Gasoline?

Diesel vehicles cannot use gasoline. If gasoline is mistakenly added to a diesel vehicle, although the engine may start, it will result in insufficient power, rough operation, severe shaking, slow speed, loud noise, and may even cause damage to the diesel engine. The following steps should be taken if gasoline is accidentally added to a diesel engine: Upon discovering the mistake, immediately stop adding gasoline and do not start the diesel engine. Wait until the gasoline is completely drained from the vehicle before refilling with diesel. If the mistake is noticed while driving, stop the vehicle immediately, call for a tow truck to take the vehicle to a service station or repair shop, drain the gasoline, and refill with diesel. Although both gasoline and diesel engines are internal combustion engines, their working principles differ due to the different ignition points of gasoline and diesel. Diesel has a lower ignition point, around 220 degrees Celsius, whereas gasoline has a much higher ignition point, over 400 degrees Celsius. For gasoline engines, due to the higher ignition point of gasoline, a spark plug is required to ignite the gasoline, commonly known as spark ignition. Diesel engines, on the other hand, operate differently. Because diesel has a relatively lower ignition point, it ignites spontaneously when compressed air raises the temperature to the diesel's ignition point, mixing with vaporized diesel to produce energy. This is known as compression ignition, which is why diesel engines do not have a spark plug ignition system. Conversely, if a gasoline vehicle is mistakenly filled with diesel, do not continue driving. Instead, take the vehicle to a repair shop immediately to drain the diesel and refill with gasoline. Gasoline engine injectors are generally smaller, and diesel's higher density means it cannot be properly atomized by a gasoline engine's injector. Continuing to drive under these conditions can easily lead to damage to the entire fuel system or even engine failure.
17
4
Share

How often should a white car be waxed?

White cars should be waxed every six months. There is no strict rule for the waxing cycle; you can wax the car when the body feels rough to the touch. For vehicles frequently driven on highways and parked outdoors, waxing every four months is recommended. Benefits of waxing: 1. Waterproofing - Cars exposed to the air often endure rain, and car wax reduces the likelihood of body erosion, protecting the paint surface. 2. Heat resistance - It prevents incident light from causing the topcoat or basecoat to age and discolor. 3. UV protection - The properties of UV light make it easier to refract into the paint surface. UV-protective car wax takes these properties into account, minimizing damage to the car's surface. 4. Polishing - Polishing is the basic function of car wax. Waxed vehicles show improved surface brightness.
2
2
Share

What is Supercharging?

Supercharging refers to the use of engine power to drive a Roots compressor, compressing air through the engine's own power. Below is relevant knowledge about supercharging: Principle of Supercharging: The driving force of the supercharger compressor comes from the engine crankshaft, generally utilizing a belt connected to the crankshaft pulley to indirectly transfer the crankshaft's torque to the supercharger, achieving the purpose of boosting. Function of Supercharging: Increasing the engine's air intake, thereby enhancing the engine's power and torque. The main function of turbocharging is to increase the engine's air intake, thus improving the engine's power and torque, making the car more powerful. After installing a turbocharger, the maximum power of an engine can increase by 40% or more compared to when it is not equipped with a supercharger.
9
1
Share
Trending Ranking
What is the actual fuel consumption of the Regal 2.4?
What to Do When the Diesel in Ford Transit Freezes?
What does the automatic locking feature mean when leaving the Tiguan L?
4
What does SOC mean in new energy vehicles?
5
What are the differences between the Honda UR-V and CR-V?
6
What are the reasons why a three-cylinder Alto car won't start?
7
Where is the Air Filter Located?
8
What does the yellow exclamation mark on the Passat dashboard indicate?
9
What is the reason when the car doesn't move in D gear and pressing the accelerator doesn't work?
10
What is the solution when the car is still braking after releasing the handbrake?
More Forum Discussions

What does it mean when a car displays 'Low Battery, Please Start the Engine'?

16
4
0

Where is the Honda CR-V engine number stamped?

6
1
0

What is the main function of seat belts?

16
2
0

What is the OnStar Smart Rearview Mirror?

11
1
0
About Us
Terms of Use
Privacy Policy
Help
Contact Us
FAQ
Cookie
Cookie Policy
Cookie Settings
© 2025 Servanan International Pte. Ltd.