gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Hydraulic Control Assembly - Antilock Brakes > < Bleeding Electronic Hydraulic Control Unit (EHCU) Module|Page 5025
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Hydraulic Assembly: Service and Repair
Rear Wheel Anti-Lock Brake System

Fig. 46  ECU & Control Valve Assembly Installation

1.

Disconnect brake lines from control valve, the plug lines and open fittings.

2.

Remove bolts (25) securing control valve, Fig. 46, and support valve assembly. Do not allow valve assembly to hang from wiring.

3.

Disconnect electrical connectors and remove control valve assembly.

4.

Reverse procedure to install, then bleed brakes as needed.

Hydraulic Control Assembly - Antilock Brakes > < Bleeding Electronic Hydraulic Control Unit (EHCU) Module|Page 5025