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Chevy: you bleed the steering box

Resolved Question:

how do you bleed the steering box on a chevy topkick, we put a new one on and there where no instructions. any info would be welcome...
Submitted: 9 years ago.
Category: Chevy
Expert:  Carhelp4u replied 9 years ago.

Here is the best way to bleed the power steering system.

  • Turn OFF the engine.
  • Raise the front wheels off of the ground.
  • Turn the steering wheel fully to the left.
    Object Number: 105105  Size: SH

  • Fill the fluid reservoir to the FULL/COLD level.

    Leave the cap off.

  • Leave the engine OFF.

    With an assistant checking the level and the condition of the power steering fluid, turn the steering wheel fully to the left and fully to the right at least 20 times.

    On systems with long return lines or fluid coolers, turn the steering wheel fully to the left and fully to the right at least 40 times.
    Trapped air may cause the fluid to overflow. Thoroughly clean any spilled fluid to allow for a leak check.
    Keep the fluid level at FULL/COLD.

    Object Number: 105105  Size: SH

  • Check the fluid constantly while turning the wheel.
    Ensure that there are no bubbles in the fluid.
    If there are any bubbles in the fluid, recheck all of the connections, then repeat Step 5.
  • Turn ON the engine.
    7.1. With the engine idling, maintain the fluid level.
    7.2. Reinstall the cap.

    Object Number: 105114  Size: SH

  • Center the wheels.
  • Lower the front wheels to the ground.
  • Keep the engine running for 2 minutes.
  • Turn the steering wheel in both directions. Verify that the following conditions apply:
    Smooth power assist
    Noiseless operation
    Proper fluid level
    Absence of system leaks
    Proper fluid condition
    Absence of bubbles
    Absence of foam
    Absence of fluid discoloration
  • Feel free to contact me with any questions or if you would prefer a second opinion. good luck!
  • Carhelp4u and other Chevy Specialists are ready to help you