2008 Dodge Ram 2500 Pickup Owner Manual Diesel - Page 446

444 MAINTAINING YOUR VEHICLE Brake Master Cylinder The fluid level of the master cylinder should be checked when performing under the hood service, or immediately if the brake system warning lamp indicates system failure. "FULL" dot and an "ADD" dot. The fluid level must be kept within these two dots. Do not add fluid above the full mark because leakage may occur at the cap. With disc brakes, the fluid level can be expected to fall as the brake linings wear. However, an unexpected drop in fluid level may be caused by a leak and a system check should be conducted. For correct fluid type, refer to "Brake Master Cylinder" under "Fluids, Lubricants and Genuine Parts" in this section. WARNING! Use of a brake fluid that may have a lower initial boiling point, or unidentified as to specification, may result in sudden brake failure during hard prolonged braking. You could have an accident. The brake master cylinder has a translucent plastic reservoir. On the outboard side of the reservoir there is a