Take another look at your service " Bible". There should be "no" mention of DOT5 in there. DOT 5 will cause the brake system to self destruct if mixed with Dot 3 or 4. DOT5 is a silicone fluid.rchawk49 said:My bible says DOT 4 or DOT 5. Went ahead with the DOT 4 since I couldn't find any 5. :?