Steering Pump Pressure
WARNING: This page is about a different car, the 1990 Plymouth Laser and 1990 Eagle Talon. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect pressure hose from pump and connect Adapter (MB991217), Pressure Hoses (C-4535) and Pressure Gauge (C-3309-E). Start engine, bleed air from system and turn steering wheel several times with vehicle not moving until power steering fluid temperature reaches about 122-140°F (50-60°C).
- Temporarily adjust idle speed to 900-1100 RPM. Fully close shut-off valve of pressure gauge and check pressure. Pressure should be as shown in HYDRAULIC PRESSURE SPECIFICATIONS table. If pressure is not within specification, steering pump should be repaired or replaced.
- With shutoff valve open, check for no-load pressure. Pressure should be as shown in HYDRAULIC PRESSURE SPECIFICATIONS table. If pressure is not within specification, check oil lines and rack and pinion.
- Fully close shutoff valve of pressure gauge. Turn steering wheel to left or right and check retention pressure. Pressure should be as shown in HYDRAULIC PRESSURE SPECIFICATIONS table. If pressure is not within specification, rack and pinion should be repaired or replaced.
HYDRAULIC PRESSURE SPECIFICATIONS
| Application | psi (kg/cm2 ) |
|---|---|
| Relief Pressure | 1067-1166 (75-82) |
| No-Load Pressure | 114-142 (8-10) |
| Rack & Pinion Retention Pressure | 1067-1166 (75-82) |