Flushing The Power Steering System - GMC chervolet camaro 1999 Service Manual

Steering
9. Repeat the bleed procedure from the beginning.
10. Drive the vehicle approximately
16 kilometers (10 miles) to warm the system
to operating temperature. Evaluate vehicle on a
smooth flat surface.
11. To check for noise problems, verify the
following items:
• There is smooth power assist.
• The vehicle operates quietly.
• The pump maintains the proper fluid level.
• There is no leaking in the steering system.
• The fluid is free of foam or discoloration.
Flushing the Power Steering System
Notice: When adding fluid or making a complete fluid
change, always use the proper fluid. Failure to use
the proper fluid will cause hose and seal damage and
fluid leaks. Refer to Power Steering Fluid
Recommendations in this section.
1. Raise and support the front of the vehicle.
Ensure that the tires and wheels are free to turn.
Refer to Lifting and Jacking the Vehicle in
General Information.
Important: Position the inlet hose or the reservoir
hose toward a large container in order to catch any
draining fluid.
2. Remove the reservoir hose at the fluid reservoir
inlet connector.
3. Plug the fluid inlet connector port on the
fluid reservoir.
4. While an assistant is filling the fluid reservoir with
fluid, start the engine.
Run the engine at idle.
Notice: Do not hold the steering wheel against the
stops while flushing the power steering system.
Holding the steering wheel against the wheel stops
will cause high system pressure, overheating,
and damage to the power steering pump and/or gear.
5. Turn the steering wheel from stop to stop.
6. Continue to drain the reservoir until all of the old
fluid is cleared from the power steering system.
7. Add approximately 0.94 liters (1 quart) of new fluid
in order to flush the system.
8. Inspect the fluid that is draining while you are
refilling the fluid reservoir.
Do not reuse any drained fluid.
9. If necessary, perform the following steps:
• Replace all of the lines.
• Disassemble and clean the system
components.
• Replace the system components.
Power Steering System 2-27
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