Combination Valve
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2001 Isuzu VehiCROSS, 2001 Isuzu Trooper, 2000 Isuzu VehiCROSS, 2000 Isuzu Trooper, and 1999 Isuzu VehiCROSS. However, it is still accessible from the selected car via links, so may be relevant.
- Ensure master cylinder is full. Raise and support vehicle. Install bleed hose to a rear bleed screw. Place other end of hose in clean container. Partially fill container with clean brake fluid so end of hose is submerged in fluid. Turn ignition switch to ON position.
- Open bleed screw while an assistant slowly depresses brake pedal. Brake warning light should illuminate. Before releasing brake pedal, close bleed screw. If warning light does not illuminate, go to step 4 . Reapply brake pedal and ensure warning light turns off.
- Attach bleed hose to a front bleed screw. Turn ignition switch to ON position. Open bleed screw while an assistant slowly depresses brake pedal. Brake warning light should illuminate. Before releasing brake pedal, close bleed screw. If warning light does not illuminate, go to next step. Reapply brake pedal and ensure warning light turns off.
- If warning light does not illuminate in steps 2) or 3) , connect jumper wire between combination valve wiring connector and ground. If warning light illuminates, warning switch portion of combination valve is faulty. Replace valve. DO NOT disassemble combination valve.