Brake fluid should typically be flushed every 2-3 years or 30,000 miles, whichever comes first, to ensure optimal brake system performance. However, factors such as driving conditions, frequency of heavy braking, and the type of brake fluid used can affect this interval. In the case of a 2002 Ford Focus, it is recommended to follow the manufacturer's specified maintenance schedule to determine the appropriate time for brake fluid flushing. Additionally, any signs of contaminated or deteriorated brake fluid, such as a dark color or a burnt smell, should prompt immediate attention and flushing of the brake fluid.
See below-look for something like this
It is important to maintain the brake fluid levels in a car. The brake fluid type for a 2002 Grand AM is DOT 3 brake fluid.
DOT 3 brake fluid
DOT 3 brake fluid
Where is the reservoir for the brake fluid
A 2002 Chevy Tahoe uses the standard brake fluid in passenger vehicles with power brakes. It is known as DOT3 brake fluid.
A 2002 Kia Rio takes the brake fluid known as DOT3. It is the standard type of fluid used in cars with power brakes.
According to the Owner Guide , Motorcraft High Performance DOT 3 brake fluid
brake fluid resivoir. just make sure you use DOT 4 brake fluid.
Dot 3.
The brake fluid reservoir on a 2002 Dodge Caravan is located on the master cylinder. This will be in the engine bay, on the drivers side, near the top.
On a 2002 Mercury Mountaineer : ( DOT 3 brake fluid meeting Ford specification ESA-M6C25-A ) According to the Owner Guide