Brake fluid for the Caravan is labeled as a "DOT 3" fluid.
A 1999 Dodge Caravan uses DOT 3 brake fluid.
It all depends on what part is leaking what fluid. Brake cylinder would leak brake fluid. Axle seal would leak gear oil.
where is it leaking from?
Fix the cause, or keep adding fluid.
out of brake fluid?
any brake fluid that has a DOT 3 rating will work
Brake fluid in a Toyota Sequoia could be leaking from several places. Check the wheel cylinders first as they are a common place to leak.
Seal in brake caliper is leaking and needs replacement Flexible brake line to the caliper is leaking and needs replacement
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.
Replace the leaking part