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How To Flush & Bleed Fox Body Power Steering Fluid System

Created by Jude Horstman
Last Updated 5/31/2022

Flushing and bleeding your car takes little to no time at all! Follow along as we guide you through the process!

Viewing this install and using the information shared is subject to the terms set forth here - View the LMR Install Instructions Disclaimer.

FOLLOW: mustang , steering , fox body , 79 93 mustang


Flushing and bleeding the rack and pinion is ideal when replacing the pump, rack and pinion or completing a routine check. If the rack and pinion are worn or leaking, it will affect the overall handling and safety of the car. We will explain the steps to flush and bleed your 1979-1993 Fox Body Mustang. These steps generally can be used on other applications, however, some steps may vary depending on the year and model.

This install will take roughly 30 minutes to complete and will require average mechanical knowledge.

Tools Needed

  • Good Assortment Or Wrenches/Sockets
  • Drain Pan
  • Push Pin Removal Tool
  • Assortment of Rags
  • Jack & Jack Stands or Lift
  • Power Steering Fluid
  • Funnel

  • Check out our other install and how-to videos related to the steering system, such as:

    How to install a new Steering Rack
    How to install a new Power Steering Pump

    Flush & Bleed Steps


    1. Support the vehicle as high as possible if you're working off of jack stands or with a lift. Locate the power steering cooler tube and hoses. Position the drain pan under the hoses. Dislodge the pushpin securing the frame rail splash shield to the core support. Clean this area if it's needed.

    2. How To Flush & Bleed Power Steering Fluid System - How To Flush & Bleed Power Steering Fluid System


    3. Loosen the clamp securing the upper & lower hose to the cooler tube and slide it back. These hoses lead to the power steering pump. Be prepared for fluid to run out. Allow the fluid to drain from both hoses.

    4. How To Flush & Bleed Power Steering Fluid System - How To Flush & Bleed Power Steering Fluid System


    5. Once both hoses slow to a drip, connect and plug the hoses to stop the flow. We used a 3/8 extension and secured it with the clamp.

    6. How To Flush & Bleed Power Steering Fluid System - How To Flush & Bleed Power Steering Fluid System


    7. Use this time to flush the power steering cooler if you removed it from the car. Use an air compressor at a low PSI setting.

    8. How To Flush & Bleed Power Steering Fluid System - How To Flush & Bleed Power Steering Fluid System


    9. Ensure the low-pressure hose from the steering rack is positioned over the drain pan.

    10. How To Flush & Bleed Power Steering Fluid System - How To Flush & Bleed Power Steering Fluid System


    11. Remove the power steering cap and fill the reservoir with the selected power steering fluid.

    12. How To Flush & Bleed Power Steering Fluid System - How To Flush & Bleed Power Steering Fluid System


    13. Rotate the belt tensioner and relieve tension on the belt. Rotate the pump by hand in the correct orientation to move fresh fluid through the system.

    14. How To Flush & Bleed Power Steering Fluid System - How To Flush & Bleed Power Steering Fluid System


    15. When the reservoir begins to run low, refill and rotate the steering wheel back and forth. Repeat these steps until the fluid coming out of the low-pressure hose is nice and clean.

    16. How To Flush & Bleed Power Steering Fluid System - How To Flush & Bleed Power Steering Fluid System


    17. You can now remove the caps from the cooler tubes and reinstall the hoses from the steering rack. You can position each clamp and tighten them down.

    18. How To Flush & Bleed Power Steering Fluid System - How To Flush & Bleed Power Steering Fluid System


    19. Back up top, you can reinstall the serpentine belt and refill the reservoir with fresh fluid.

    20. How To Flush & Bleed Power Steering Fluid System - How To Flush & Bleed Power Steering Fluid System


    21. Have a friend watch the reservoir so they can tell you when to turn it off. Start the car and let it run long enough so the pump can move some fluid through the system and then turn it off. Pour some more fluid in and repeat the process. Once the fluid remains constant in the reservoir, start the car and turn the wheel from lock to lock to bleed the rack and pinion further. If you begin to see air, bubbles, or foam, turn the car off to let the air all out. Do not let the pump suck air into the system. You can now reinstall the cap once there is no more air.

    22. How To Flush & Bleed Power Steering Fluid System - How To Flush & Bleed Power Steering Fluid System


    23. Pull the cap out and check the fluid levels. If it's too high, use a syringe to drain it. If it's too low, add more fluid.

    24. How To Flush & Bleed Power Steering Fluid System - How To Flush & Bleed Power Steering Fluid System


    25. All right, everybody, we hope that this article has helped you better understand how to flush and bleed the power steering system on your 1979-1993 Fox Body Mustang.

    26. How To Remove And Install 1979-1993 Fox Body Power Steering Rack - How To Remove And Install 1979-1993 Fox Body Power Steering Rack


    As always, make sure to keep it here with the Real Mustang Enthusiasts at LMR.com.

1979-1993 Fox Body Mustang Steering Parts

Find rack and pinions, hoses, reservoirs, and other 1979-93 Mustang steering parts at Late Model Resto. Find everything you need to restore your power steering system or convert to manual including rack and pinion kits, pumps, and steering shafts. Having worn steering parts can make your pony hard to handle which can l... more


About the Video

How To Flush Bleed Power Steering System

Check out our YouTube channel for even more tech tips, installation videos, how-tos, and more. The best place to go for anything Mustang related!

Published on 2022-03-30
How to flush and bleed power steering fluid is explained by Landan with LMR.

These steps can be applied to other vehicles as long as you find the correct hoses. Like any other fluid in a car, the power steering fluid will break down and damage the power steering pump, hose, rack and pinion, and seals over time. Warn out fluid is dark in color and smells burnt. This is a good indicator that you need to flush your power steering fluid. It's important to reference the owner's manual for the proper change interval for power steering fluid and the appropriate fluid for your vehicle.

*Shop*

Power Steering fluid we used:
https://lmr.com/item/XT5QMC1/mustang-lightning-motorcraft-power-steering-fluid

Shop All 1979-93 Fox Body Mustang Steering components:
https://lmr.com/products/79-93-Mustang-Steering-Components

*Watch*

How To Remove & Install Power Steering Pump | Fox Body Mustang (79-93):
https://youtu.be/UUxkXZgweHM

How To Remove & Install Power Steering Pump Pulley:
https://youtu.be/s6OJvpwloB0

How To Remove Power Steering Rack | Fox Body Mustang (79-93):
https://youtu.be/TVcwUpRRsfM

How To Install Power Steering Rack | Fox Body Mustang (79-93):
https://youtu.be/PQ9V6vGZSUk

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Use of this video is subject to the terms as set forth in our LMR Install Video Disclaimer | https://lmr.com/page/lmr-install-video-disclaimer