Table of Contents
Where do I fill my gearbox oil?
The oil should be level with the bottom of the plug hole. To remove the plug, reach through the engine bay, or jack up the car, support it level on axle stands at front and rear, and lie underneath the gearbox.
Do you need to top up gearbox oil?
Automatic gearboxes usually have gear oil change intervals of between 60,000 to 100,000 mi (96,000 to 160,000 km). It’s advisable that you change your gearbox oil filter at the same time as your oil. If you have a gearbox leak repaired, then always change your oil after the repair to ensure it’s fully topped up.
What oil should I use for my gearbox?
The most common GL rating is GL-4 and GL-5. GL-4 is typically used in regular cars for daily usage. The GL-5 is recommended to high-stressed gearboxes in trucks and high power output cars.
Can you put engine oil in a gearbox?
Gearbox oil has a higher viscosity than engine oil and this is because it better protects the gears, ensuring you have a smooth transition between them. Therefore, you cannot use engine oil in your gearbox.
How do you know if your gearbox oil needs changing?
Signs That You Need to Change Your Transmission Fluid
- Puddles under your car.
- Roaring sounds when you accelerate or go around corners.
- Difficulty shifting.
- Engine revving when going around corners.
- A chattering noise when you start driving.
- A slight burning smell.
- Warning light.
What are the signs of low gearbox oil?
Symptoms of Low Transmission Fluid
- Drips or puddles underneath the car.
- Difficulty shifting through gears and/or slipping.
- Shuddering or shaking.
- Lurching or sudden jerks.
- Transmission won’t engage.
- Humming or clunking noises.
- A burning smell.
Can you use engine oil in a gearbox?
Is Thicker gear oil better?
As a general rule high viscosity oils are best for low speed, loaded gears with a rough surface. Higher viscosity provides a thicker film, higher wear resistance, and less deformation of the gears as time goes on. Low viscosity oils, on the other hand, are best for high speed systems with lower load.
How do you know if your gearbox needs oil?
How to know if gearbox oil is low – the signs
- Late engagement. Low levels of gearbox oil usually result in 2-3 second delays when shifting between gears.
- Your car is lurching.
- Vibration.
- Issues with the clutch.
- Dark-coloured fluid.
- Transmission slipping.
- Grinding.
- Can you prevent gearbox replacement?
Is gear box oil the same as engine oil?
The main thing you’ll notice about gear oil is its viscosity. It’s much thicker than motor oil, with an average motor oil being 5W/30 and the average gear oil being 75/90 (see this article for in depth explanation of oil viscosity index). They help to keep the oil stable and functioning consistently.
What happens if you don’t change gearbox oil?
Transmission Overheats. Changing your transmission fluid periodically will increase the lifespan of your transmission. On the other hand, if you never change it, you will have dirty and grimy fluid that will fail to lubricate and disperse heat very well.