ABS Modulator Assembly
WARNING: This page does not describe the selected car, but rather 21 other vehicles, including the 1999 Pontiac Sunfire, 1999 Pontiac Grand Am, 1999 Oldsmobile Intrigue, 1999 Oldsmobile Cutlass, and 1999 Oldsmobile Alero. However, it is still accessible from the selected car via links, so may be relevant.
- Attach a clear hose to rear bleeder valve and submerge other end of hose in a container of clean brake fluid. See Figure. Slowly open rear bleeder valve. Allow fluid to flow until no air bubbles are seen in hose. Close valve and repeat procedure for front bleeder valve.CAUTION: DO NOT allow brake fluid to contact motor pack or electrical connectors. Premature failure of motor pack may result.
- To bleed modulator at brake pipe connections, position shop towel below brake pipes. Using flare wrench, slightly open forward brake pipe fitting at ABS modulator assembly. Allow air to escape and then tighten fitting. Bleed remaining brake pipe connections at ABS modulator assembly from front to rear.