Combination Valve Replacement 310 ABS

Important: Prior to replacement of the combination valve, note the identification code on the valve. Obtain the proper code when replacing the valve.

1. Remove the combination valve electrical connector (10).
2. Remove the front and rear brake pipes.
3. Remove three bolts (11) securing combination valve (12) to the BPMV (4).
4. Remove the combination valve from the BPMV.

Important: 

•	Do not reuse the transfer tubes (13). Always install new transfer tubes with a new combination valve.

•	Verify that the replacement combination valve has the same pin punched identification code as the code found on the old part.

5. Remove two transfer tubes (13).

1. Install two new transfer tubes (13) into the combination valve (12) until fully seated.
2. Install combination valve (12) to BPMV (4).

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

3. Install three combination valve bolts (11).

Tighten
Tighten bolts first to 8 N·m (6 lb ft), then to 16 N·m (12 lb ft).

4. Front and rear brake pipes to combination valve.

Tighten
Tighten brake pipe fittings to 17 N·m (13 lb ft).

5. Connect combination valve electrical connector (10).

Important: Verify that the combination valve metering rod is depressed during bleeding.

6. Bleed the brake system. Refer to Antilock Brake System Automated Bleed Procedure in Antilock Brake System.

Combination Valve Replacement 325 ABS

Important: Prior to replacement of the combination valve, note the identification code on the valve. Obtain the proper code when replacing the valve.

1. Remove air outlet duct assembly. Refer to Air Cleaner Outlet Duct Replacement in Engine Controls.
2. Remove the combination valve electrical connector.
3. Remove the brake pipe at the combination valve from the master cylinder.
4. Remove the brake pipe at the combination valve from the EBCM.

Important: Do not remove the master cylinder.

5. Remove the master cylinder nuts. Refer to Master Cylinder Replacement .
6. Remove the combination valve and bracket assembly.

1. Install the combination valve and bracket assembly.
2. Install the master cylinder nuts. Refer to Master Cylinder Replacement .

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

3. Install the brake pipe at the combination valve from the EBCM.

Tighten
Tighten the brake pipe fitting to 17 N·m (13 ft lb).

4. Install the brake pipe at the combination valve from the master cylinder.

Tighten
Tighten the brake pipe fittings to 17 N·m (13 ft lb).

5. Connect the combination valve wire harness.
6. Bleed the brake system. Refer to Antilock Brake System Automated Bleed Procedure in Antilock Brake System.
7. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement in Engine Controls.