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How To Change Factory Mustang & Lightning Supercharger Belts & Oil

Created by Taylor Ward
Last Updated 8/30/2021

Check out LMR's article that covers the steps on how to change the supercharger oil & belts for factory Ford Mustang & Lightning supercharged vehicles.

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

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How To Change Factory Mustang & Lightning Supercharger Oil & Belts - How To Change Factory Mustang & Lightning Supercharger Oil & Belts

In 1999 Ford released the well-known SVT Lightning truck, which stunned the performance world with a factory supercharged 5.4L engine. They then followed this up with the 03/04 Cobra and the 07-14 GT500. These supercharged vehicles are known for how much heat they produce. Over time, this heat causes the breakdown of the internal oil and can cause premature wear on the belt drive. Essential maintenance of the oil and belt are integral to keeping your high-performance machine in check.

Today in the shop, we have Jay's 2012 GT500 with almost 195,000 miles on it. He purchased this car with 182,000 miles on it, so there was no telling when this car was last maintained. This makes it a perfect candidate for supercharger maintenance. If you want to see what type of power is made on the dyno when he got it, check out our 2012 GT500 Dyno! We think you will be pretty surprised. These basic steps shown within this article can cross over to the earlier 03/04 Cobra models and the 1999-2004 Ford Lightning trucks.

Regardless of the application, we have you covered. Check out the links below for belt routing and sizing guides as well as fluid capacities for all of these applications:

Some of the tools you will need for this service will be:

  • 3/8" and 1/4" socket set
  • Allen key set
  • Assorted wrenches
  • Syringe with a one-foot section of tubing
  • Breaker bar

Overall this one should take you roughly half an hour to an hour to complete. Now let's get started!


Steps To Change Mustang & Lightning Supercharger Oil & Belts

  1. Start by locating the supercharger drain/fill plug on the snout of the blower. Set a clean rag under this plug to catch any drips that may come out. In our application, a 3/16" Allen socket was used to remove this one.
  2. How To Change Factory Mustang & Lightning Supercharger Oil & Belts - How To Change Factory Mustang & Lightning Supercharger Oil & Belts

  3. Once you have this out, go ahead and inspect the o-ring and replace this if need be.
  4. How To Change Factory Mustang & Lightning Supercharger Oil & Belts - How To Change Factory Mustang & Lightning Supercharger Oil & Belts

  5. Insert your hose from your syringe into this hole and push it in until it bottoms out. Pull back on the plunger and remove your fluid. As you can see here, our fluid was very dark and had years of wear and needed to be changed. Continue this process until you get out as much fluid as you can.
  6. How To Change Factory Mustang & Lightning Supercharger Oil & Belts - How To Change Factory Mustang & Lightning Supercharger Oil & Belts

  7. Using some brake clean, thoroughly clean any old fluid from the syringe at this time.
  8. How To Change Factory Mustang & Lightning Supercharger Oil & Belts - How To Change Factory Mustang & Lightning Supercharger Oil & Belts

  9. Once the syringe is clean, you can fill the supercharger up with clean fluid. Check your owner’s manual for your specific fluid capacity. Continue to fill through this hole until the fluid starts to dribble out. Once you are at this point, reinstall the plug and clean up any excess fluids.
  10. How To Change Factory Mustang & Lightning Supercharger Oil & Belts - How To Change Factory Mustang & Lightning Supercharger Oil & Belts

  11. Now we can move to the belt drive. Again, this will vary depending on the model you are working with. To make more room, we chose to remove the factory coolant tank and the airbox. The coolant tank will be held in place by (2) 10mm bolts.
  12. How To Change Factory Mustang & Lightning Supercharger Oil & Belts - How To Change Factory Mustang & Lightning Supercharger Oil & Belts

  13. The airbox will vary depending on the application. Usually, you will have a few clamps, electrical connections, and bolts that hold this in place.
  14. How To Change Factory Mustang & Lightning Supercharger Oil & Belts - How To Change Factory Mustang & Lightning Supercharger Oil & Belts
    How To Change Factory Mustang & Lightning Supercharger Oil & Belts - How To Change Factory Mustang & Lightning Supercharger Oil & Belts
    How To Change Factory Mustang & Lightning Supercharger Oil & Belts - How To Change Factory Mustang & Lightning Supercharger Oil & Belts

  15. On this GT500, the supercharger belt is located behind the serpentine belt drive.
  16. How To Change Factory Mustang & Lightning Supercharger Oil & Belts - How To Change Factory Mustang & Lightning Supercharger Oil & Belts

  17. Loosen and remove the 10mm nut holding the hose bracket in place to give you better access to the belt tensioner.
  18. How To Change Factory Mustang & Lightning Supercharger Oil & Belts - How To Change Factory Mustang & Lightning Supercharger Oil & Belts

  19. Locate the serpentine belt tensioner, and using a 15mm wrench, release the tension. Now you can fully remove the belt.
  20. How To Change Factory Mustang & Lightning Supercharger Oil & Belts - How To Change Factory Mustang & Lightning Supercharger Oil & Belts

  21. Once this is out of the way, we can locate the supercharger belt tensioner. Release the tension using a 3/8" ratchet with a 1" extension, and remove the belt from any pulley in this area.
  22. How To Change Factory Mustang & Lightning Supercharger Oil & Belts - How To Change Factory Mustang & Lightning Supercharger Oil & Belts

  23. To remove the supercharger belt, we did have to unbolt the 15mm bolt on the tensioner from the front end. Once this is off, you will be able to remove the belt.
  24. How To Change Factory Mustang & Lightning Supercharger Oil & Belts - How To Change Factory Mustang & Lightning Supercharger Oil & Belts

  25. Route the new belt on the lower crank and A/C compressor, then reinstall the belt tensioner using a 15mm socket. Then reroute the new belt in its proper orientation.
  26. How To Change Factory Mustang & Lightning Supercharger Oil & Belts - How To Change Factory Mustang & Lightning Supercharger Oil & Belts

  27. Now, reinstall the serpentine belt.
  28. How To Change Factory Mustang & Lightning Supercharger Oil & Belts - How To Change Factory Mustang & Lightning Supercharger Oil & Belts

  29. Now you can add back the lower hose bracket and 10mm nut.
  30. How To Change Factory Mustang & Lightning Supercharger Oil & Belts - How To Change Factory Mustang & Lightning Supercharger Oil & Belts

  31. Reinstall the airbox and the coolant tank. Check over your work, and you are all done!

We hope that this article has helped you and you have a better understanding of how to service your supercharger oil and belts for your factory supercharged Ford vehicles. As you could tell, Jay's GT500 really needed this maintenance with the number of miles it has on it.


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

Mustang & Lightning Supercharger Components


About the Video

How To Change The Factory Mustang/Lightning Supercharger Oil & Belt

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 2021-07-12
This video covers the steps on how to change the supercharger oil & belt for select factory Ford Mustang & Lightning supercharged vehicles.

In 1999, Ford released the popular SVT Lightning truck which came equipped with a factory supercharged 5.4L engine. This was then followed by the 03-04 Mustang Cobra as well as the 07-14 GT500. These supercharged vehicles are known for how much heat they produce which over time causes the breakdown of the internal oil that can cause premature wear on the belt drive. By providing essential maintenance to the supercharger oil and belt will continue to keep your high-performance vehicle at optimal levels.

Buy Motorcraft Supercharger Oil Kit for all years and models! https://latemodelres.to/XL4K_YouTube

How much power did Jay's 2012 GT500 make on the dyno? Watch with the link below!
https://youtu.be/xGSrb1I5SfU

Check Out LMR's Belt Routing & Sizing Guides!
99-04 SVT Lightning: https://latemodelres.to/SVTLightningGuide_YouTube
03-04 Cobra: https://latemodelres.to/0304CobraGuide_YouTube
07-14 GT500: https://latemodelres.to/0714GT500Guide_YouTube

Mustang & Lightning Fluid Capacity Articles Below!
Mustang Fluid Capacities: https://latemodelres.to/3kFWQlU
Lightning Fluid Capacities: https://latemodelres.to/3roH14F

0:00 | Intro
1:22 | Tools Needed
1:36 | Set A Rag Under The Supercharger Drain Fill Plug
1:43 | Use An Allen Socket To Remove The Plug & Inspect The O-Ring
1:53 | Insert Syringe Hose Into The Hole & Remove Fluid
2:09 | Use Brake Clean To Clean Old Fluid From Syringe
2:16 | Fill Up Supercharger With Clean Fluid
2:41 | Reinstall Plug & Clean Excess Fluids
2:56 | Remove The Factory Coolant Tank & Air Box To Access The Belt Drive
3:25 | On This GT500 The Supercharger Belt Is Behind The Serpentine Belt Drive
3:30 | Remove Nut Holding The Hose Bracket
3:38 | Release The Tension On The Serpentine Belt Tensioner & Remove Belt
3:48 | Locate & Remove The Supercharger Belt
4:19 | Routing The New Belt & Tensioner
4:52 | Reinstall Serpentine Belt
4:58 | Reinstall Lower Hose Bracket
5:03 | Reinstall Air Box & Coolant Tank
5:18 | Conclusion

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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