Hydraulic Control Assembly - Antilock Brakes: Service and Repair

This component is non-serviceable and must be replaced as a unit.
1. Disconnect battery ground cable.
2. Mark respective positions of wheel and wheel hub for reassembly, then remove right front wheel assembly.
3. Remove wheel-arch inner panel.
4. On 944S and 944 Turbo, disconnect braking-force regulator.
5. Disconnect all brake lines, numbers one through six from hydraulic unit.
6. On all models, disconnect ground wire, then remove mounting bolts from hydraulic-unit holder.
7. Move hydraulic unit and holder out slightly to gain access to strain relief for 12-pole plug (no. three), then disconnect strain relief and remove plug.
8. Unclip ABS wire harness from hydraulic-unit holder, then remove hydraulic unit with holder.
9. Reverse procedure to install, bleed brake system.