Fluid Pressure Testing

Remove pressure hose from oil pump. Attach Pressure Gauge Adapter (C-3309-E ). Tighten to 22-29 ft. lbs. (30-39 N.m).
Start engine and let it idle. Place thermometer in reservoir. Close the gauge valve fully 3 times to bleed air from gauge. Check fluid level. Add fluid (if necessary).
When oil temperature reaches 170°F (76.6°C) for pickups, or 122°F (50°C) for all other models, check pressure.
On pickup models and with valve closed, pumps should read 1099-1200 psi (77-84 kg/cm² ). On all other models, pump pressure should be 1067-1210 psi (75-85 kg/cm² ).
Valve open pressure for both types of pumps should be 142 psi (10 kg/cm² ) or less. Reinstall pressure hose, taking care not to twist hose or let hose interfere with adjacent parts.

CAUTION: Do not keep shut-off valve closed more than 3 seconds at a time. Do not keep steering wheel turned more than 10 seconds at a time.

Fig 1: Exploded View of Type "A" Power Steering Pump

Fig 2: Exploded View of Type "B" Power Steering Pump