Transmission fluid change -ELF

Transmission fluid change

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Your gearbox oil should be changed for the same reasons as your engine oil: to optimise your vehicle’s performance and reduce wear in the components that make up.your gearbox. The used oil should be replaced with new oil once your vehicle has covered a certain distance – check your manufacturer's service manual to find out exactly how far.This task is more complicated than changing the engine oil. We therefore recommend that you have it done by your garage mechanic. But here is some advice if you want to do it yourself.

You will need the right equipment in order to carry out properly a transmission fluid change:

Oil that is perfectly suited to your gearbox - of the right grade and in the right quantity.Use ELF Evolution oil to guarantee optimum performance for your engine. You will need a completely different oil depending on whether you have a manual or an automatic gearbox.
It is therefore important to check the vehicle's service manual before carrying out any operations on the gearbox: oil changes should be carried out in accordance with the manufacturer's recommendations.

  • Safety equipment, such as safety goggles and rubber gloves
  • A spanner for the oil drain plug
  • A container for collecting the used oil
  • A funnel and a plastic pipe
  • A jack and jackstands
  • Newspaper (or paper towel) and rags
  • An O-ring if necessary

Transmission fluid change of mechanical gearboxes:

Get your vehicle ready

To make your engine oil less viscous so that it drains out more easily when changing it, it is advisable to carry out this operation after having used your vehicle for more than 10 minutes. Make sure your vehicle is on a flat and horizontal surface. Turn the engine off, leave it out of gear and apply the handbrake. There should be enough space under the car for you to be able to access the oil sump. If there isn't, you may use a jack to raise the car, and then stabilise it was jackstands. Never get under the car when it is only held up by the jack – it is very unstable. The purpose of the jackstands is to reduce this instability. Refer to the manufacturer's user manual to find out where to place them.

Checking the filling cap

Before you change your oil, make sure that the filling cap is not jammed and that you will be able to fill your sump once you have changed the oil. If it is jammed, you will need to contact a garage mechanic. To locate this cap, refer to your service manual

Change your oil

Once you have found the oil reservoir and the drain plug (consult the service manual) under your car, protect the ground's surface by spreading newspaper or paper towel on it. Position your container under the plug and make sure it is big enough to contain all of the oil that needs to be drained. Unscrew the drain plug using the socket spanner.
Make sure you do not drop the plug with your gloves. Allow the used oil to drain out for several minutes. Once the reservoir is empty, clean the drain plug, replace the seal or washer and screw it back in correctly. Remove that jackstands and lower the car back down to the ground.

Fill your gearbox with new oil.

Before filling your reservoir with oil, refer to the service manual to find out exactly how much is required and what type of oil you should use. Once you have selected your ELF oil, use the plastic pipe and the funnel to fill the gearbox housing, placing the funnel as high up as possible so that the oil flows through the pipe and into the housing.
Once you have filled it to the maximum level, screw the plug back in, making sure that you have not left any components on the ground.

Dispose of your used oil at an appropriate centre.

Under no circumstances should you dispose of the used oil in your tray by pouring it down the drain or by dumping it into the environment.
The oil, together with the used filter, must be disposed of at a car service centre or recycling centre.

Transmission fluid change of automatic gearboxes:

The operation is more complicated on automatic gearboxes.

Get your vehicle ready

To make your engine oil less viscous so that it drains out more easily when changing it, it is advisable to carry out this operation after having used your vehicle for more than 10 minutes. Make sure your vehicle is on a flat and horizontal surface. Turn the engine off and apply the handbrake.
There should be enough space under the car for you to be able to access the oil sump. If there isn't, you may use a jack to raise the car, and then stabilise it was jackstands.
Never get under the car when it is only held up by the jack – it is very unstable. The purpose of the jackstands is to reduce this instability. Refer to the manufacturer's user manual to find out where to place them.

Checking the filling cap

Before you change your oil, make sure that the filling cap is not jammed and that you will be able to fill your sump once you have changed the oil. If it is jammed, you will need to contact a garage mechanic.

Change the oil in the gearbox housing

Once you have found the oil reservoir and the drain plug (consult the service manual) under your car, protect the ground's surface by spreading newspaper or paper towel on it. Position your container under the plug and make sure it is big enough to contain all of the oil that needs to be drained. Unscrew the drain plug using the socket spanner.
Make sure you do not drop the plug with your gloves. Allow the used oil to drain out for several minutes. You will notice that used oil from an automatic gearbox appears very clean. However, it should still be replaced.

Drain the converter

Once the reservoir is empty, you need to access the converter. Using your vehicle's service manual, locate the hatch that links the gearbox to the engine.
If the gearbox and engine are separated by a grill, this will need to be dismantled. Then use your fingers to turn the converter until the drain plug appears.
Once you have unscrewed it, pour the oil into the container. Use this opportunity to carefully clean the converter's and casing's plugs.
Once the oil has been poured in, screw the plugs back in. Remember to reassemble the hatch or grill.

Fill your gearbox with new oil.

Before filling your gearbox with oil, refer to the service manual to find out exactly how much is required and what type of oil you should use. Once you have selected your ELF oil, use the plastic pipe and the funnel to fill the gearbox housing, placing the funnel as high up as possible so that the oil flows through the pipe and into the housing.
Once you have filled it to the maximum level, screw the plug back in, making sure that you have not left any components on the ground.

Dispose of your used oil at an appropriate centre.

Under no circumstances should you dispose of the used oil in your tray by pouring it down the drain or by dumping it into the environment.
The oil, together with the used filter,may be disposed of (usually completely free of charge) at a car service centre or recycling centre.

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