How ToLand Rover Discovery

How to change the air filter on a Land Rover Discovery

Replacing the air filter on a 300Tdi DiscoveryA dirty air filter will make it harder for the engine to breathe, so after my recent mod's of removing the EGR and de-catting the downpipe, I wanted to make sure the engine was getting as much good clean air as possible.

THe air filter is another cheap service item that is easy to replace. On a Land Rover Discovery, the air filter is located on the right hand side inner wing. On a 200Tdi it is cylindrical in shape, and on the 300Tdi it is square.

It takes a couple of minutes to replace the air filter on a Discovery, and this article will show you how.

Changing the air filter on a Land Rover Discovery

300Tdi Air Filter Overview1: Undo the 4 clips on the air filter box. (see pic)

If you have a 200Tdi Discovery, you will need to unscrew the knob on the end of the air filter cylinder, and the filter will slide out.

2: Lift up the lid and remove the old air filter.

3: Clean any debris from the bottom of the air filter box. You might find dust/dirt and leaves in the bottom, so clean everything out.

4: Fit the new air filter

5: Replace the lid, and fasten the 4 clips.

That's it, a simple operation that takes less than 5 minutes.

Here is the difference between the old and new air filters - its plain to see how black and clogged the old filter is. This will restrict air flow into the engine.

The difference between the old and new air filters is clearly seen!
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