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Steering - Power Steering Pump Whine

Group: STEERING SYSTEM

Number: 08-ST-001

Date: AUGUST, 2008

Model: ALL

Subject:
SERVICE TIP - POWER STEERING OIL PUMP WHINE NOISE

DESCRIPTION:

Before replacing a power steering oil pump for a "whine" noise condition, check the oil pump reservoir filter screen for contamination. If the filter screen at the bottom of the oil pump reservoir is clogged, it may cause the pump to aerate and cause a "whine" noise.

If the filter screen is clogged, replace the reservoir and reconfirm the condition.





The photo shows the location of the screen in the reservoir.

NOTE:
For proper inspection of the screen, it may be necessary to empty the power steering oil pump reservoir.