Fluid Pressure Testing
- Disconnect pressure hose from oil pump. See Fig 1 . Bleed air from system. Start engine and allow to idle. Turn steering wheel several times until temperature reaches 122°F (50°C). Set engine idle speed to 1000 RPM.
- Close and open valve to measure oil pump pressure. If not within specifications, replace pump. See OIL PUMP PRESSURE SPECIFICATIONS . Install pressure hose. Bleed system.
CAUTION:
DO NOT leave valve on pressure gauge closed more than 10 seconds or damage to oil pump will result.
OIL PUMP PRESSURE SPECIFICATIONS
| Application | psi (kg/cm2 ) |
|---|---|
| Valve Closed | 640-740 (45-52) |
| Valve Open (Maximum) | 142 (10) |