- Remove the power steering pump from the vehicle. Refer to
Power Steering Pump Replacement
.
- Mount the pump in a table vise.
- Remove the following components
from the pump body:
• | The suction hose connector bolt |
- Remove the pressure switch (1)
from the pump.
- Remove the flow control
valve assembly (2)
from the pump.
- Remove the 4 bolts
from the pump in order
to remove the rear pump cover (2) and the O-ring seal (1).
- Remove the cam ring (2)
from the pump.
- Remove the vanes (1) from the rotor.
- Remove the following components
from the pump:
- Remove the shaft (1) with the pulley attached from the
pump.
- Remove the side plate and the oil seal from the pump.
- Use a feeler gauge (1)
in order to measure the vane to rotor clearance. The maximum vane to rotor
clearance is 0.06 mm (0.0023 in).
- If the vane to rotor clearance is greater than the specified range,
replace the pump assembly. Refer to
Power Steering Pump Replacement
.
- Use the dial calipers
in order to measure the free length of the flow control valve spring (1).
The free length of the spring should be within 30.5-33.5 mm
(1.20-1.32 in).
- If the valve spring does not fall within the specifications, replace
the pump assembly. Refer to
Power Steering Pump Replacement
.
- Inspect the following
components for excessive wear:
- Inspect the power steering pump body for cracks or leaks.
- Inspect the cam ring for excessive wear.
- If any of the following conditions are present on the pump body
or any internal part, replace the power steering pump. Refer to
Power Steering Pump Replacement
.