Bleed Procedure

Tools Required 

• J 35555 Mity Vac
• J 43485 Power Steering Bleeder Adapter
  IMPORTANT: Use clean, NEW power steering fluid type only. Refer to Fluid Specifications .

  • Bleed the power steering system for the following reasons:
    • Components replaced
    • Fluid line disconnected
    • Steering system noise occurs
    • Prevention of pump damage
    • Proper system operation
  IMPORTANT: Hoses touching the frame, body or engine can cause system noise.

  • The hoses must not touch any other part of the vehicle.
  IMPORTANT: Loose connections may not leak, but could allow air into the steering system.

1. Verify that all hose connections are tight.
   Fig 1: Identifying Power Steering Fluid Level Indicator Marks

   Courtesy of GENERAL MOTORS CORP.
   IMPORTANT: Maintain the power steering fluid level throughout the bleed procedure.
2. Remove the power steering pump reservoir cap.
3. Fill the power steering pump reservoir with power steering fluid to the "FULL COLD" level. Refer to Checking and Adding Power Steering Fluid .
   Fig 2: Switching Ignition On

   Courtesy of GENERAL MOTORS CORPS.
4. Reinstall the power steering pump reservoir cap.
5. Start the engine. Allow the engine to idle.
6. Turn off the engine.
7. Verify the power steering fluid level. Repeat steps 8 through 10 until the power steering fluid stabilizes.
   Fig 3: Turning Steering Wheel

   Courtesy of GENERAL MOTORS CORPS.
8. Start the engine. Allow the engine to idle.
   IMPORTANT: Do not turn steering wheel to lock.
9. Turn the steering wheel 180-360 degrees in both directions 5 times.
   Fig 4: Switching Ignition Off

   Courtesy of GENERAL MOTORS CORPS.
10. Switch the ignition off.
    Fig 5: Identifying Power Steering Fluid Level Indicator Marks

    Courtesy of GENERAL MOTORS CORPS.
11. Remove the power steering pump reservoir cap and verify the power steering fluid level. Refer to Checking and Adding Power Steering Fluid .
12. Reinstall the power steering pump reservoir cap.