Electro-Hydraulic Pump and Pressure Hose

POWER MASTER ELECTRO-HYDRAULIC PUMP AND PRESSURE HOSE

IMPORTANT: Refer to Technical Service Bulletins for the latest information.

IMPORTANT: Some components of the Powermaster system appear to be similar to the Antilock Braking System (ABS) but they are different. Powermaster System is not an antilock braking system.

Figure 4 E-H Pump And Pressure Hose:

REMOVAL:
1. Remove reservoir cover and diaphragm (32).
2. Remove hose clamp (9) and end of sump hose (10) connected to E-H pump (8). Drain reservoir pump sump.
3. Disconnect electrical connector (41) from E-H pump (8).
4. Remove pressure hose assembly (11) as follows:
a. First, disconnect hose assembly (11) from tube and nut assembly (12).
b. Disconnect other end of hose assembly (11) from E-H pump (8).
5. Remove three attaching nuts (5) and washers (6).
6. Remove E-H pump (8).


INSPECTION:
- Inspect grommets (7), and if damaged or deteriorated, replace.
- Be sure to install new grommets (7).


INSTALLATION:
1. Install E-H pump (8), washers (6) and attaching nuts (5) to 2.6-4.0 Nm (23-35 lb in).
2. Install pressure hose assembly (11).
a. First, connect end of hose assembly (11) to E-H pump (8) at 13-20 Nm (10-15 lb ft).
b. Connect other end of pressure hose assembly (11) to tube and nut assembly (12) at 13-20 Nm (10-15 lb ft).
3. Install end of sump hose (10) and hose clamp (9) to E-H pump (8).
4. Connect electrical connector (41) to E-H pump (8).
5. Install brake fluid in reservoir (33).