POWER STEERING
SERVICE MANUAL NUMBER 28
90-863160 MAY 2000 Page 6A-17
CAUTION
DO NOT lug pump at maximum pressure for more than 5 seconds, in next step, or
damage to Power Steering pump may occur.
8. Push in then pull steering cable momentarily. Gauge reading should show an instant
increase in pressure when block is pushed in both directions.
9. Push steering cable in, until booster cylinder piston rod is fully retracted. With piston rod
in this position, momentarily push steering cable in until maximum pressure reading
is obtained.
• If pressure is above 1000 psi (6897 kPa), system pressure is good.
• If pressure is below 1000 psi (6897 kPa), conduct “Pump Pressure Test,” see “Index.”
Pump Pressure Test
CAUTION
In performing the following test, DO NOT lug pump at maximum pressure for more
than 5 seconds or damage to Power Steering pump may occur.
1. Install test gauge.
a
d
c
b
a-Pump Pressure Hose
b-Test Gauge Assembly
c-Gauge To Control Valve Hose
d-Control Valve
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