<!DOCTYPE html>
<html><head>
<meta charset="UTF-8">
</head><body><p>DOT4. If you want to try silicon you would have to rebuild your entire hydraulic circuit and fit all new rubber components. It may sometimes work without a rebuild or it may fail as DOT4 and DOT5 (silicon) are not compatible and do not mix. <br></p><p>What your life (and others) worth??<br></p><p>Kees Oudesluijs<br></p></body></html>