2008 Suzuki LT-A400/F, LT-F400/F ATV Service Manual, Page 367Get this manual
Brake Control System and Diagnosis: 4) Loosen the air bleeder valve by turning it quarter of turn so that the brake fluid runs into the receptacle, this will remove the tension of the brake lever causing it to touch the handlebar grip 4A-6
Brake Fluid Replacement!
B827H24106010
CAUTION
Make sure that the vehicle is holded securely Handle brake fluid with care: the fluid reacts chemically with paint, plastic, rubber materials, etc1) Remove the brake fluid reservoir cap and diaphragm2) Suck up the old brake fluid as much as possible
I827H1410010-01