Classic Car Air filter Replacement

The most common type of classic car air filter is the disposable paper element,the main two types which are circular and cylindrical.

You Will find this Inside the large metal or plastic box which either sits on top of the carburettor or is connected to it by a large diameter pipe, take out the old filter you should undo the nuts, screws or clips, Wing nut which hold the cover or the filter box in place and then lift off the cover.

Normally an air filter element is good for around a year, or 12,000 miles but with little used classic cars a lot longer. But if you cannot see the original colour of the paper element from lack of use you should still renew it as they can break down.

If the filter is hard to get hold of, an easy fix is if only one area of the element clogged, try rotating it so that the dirty part is moved to a different position.

• First plug the carburettor entry hole to make sure that no dust and leaves falls into the carburettor.
• Remove the old filter Then be sure to wipe away any loose dust in Side the filter box. using a clean raq.
• Replace with new filter check that there are no labels or lose parts.
• Your classic car filter box may have 'summer' and 'winter' positions. make sure that the setting is correct.
• Refit the cover of the filter box and tighten It down evenly.

Some older cars may also have filter elements made of wire type mesh. Open the filter box as described above,

Take the filter elements out and wash them in paraffin (kerosene) or suitable cleaning fluid Then they can be lightly oiled with engine oil and reused.
In some rare cases where the wire mesh cannot be removed from Its housing, the whole cleaner has to be removed and washed in paraffin and then a little oil poured into the mesh.

• Note: When you have fitted the clean filter. check that the cover of the filter box is fitted correctly before you tighten.