How to Add Power Steering Fluid to a 2021 GMC Sierra 3500 HD AT4 6.6L V8
GMC Sierra 3500 HD Model Years - 2020, 2021, 2022, 2023, 2024, 2025, 2026
Where to find the power steering wheel fluid in a 2021 Sierra 3500 HD
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Hans Angermeier is an ASE certified Maintenance and Light Repair Technician and has produced over 100,000 videos showing drivers how to fix things on their cars. He has broad expertise on basic repair procedures covering the majority of cars on the road. Over the past 10 years, Hans has been focused on building CarCareKiosk, which is visited by millions of drivers each month.
DRLs are on more than your headlights. They burn out faster and should be replaced regularly
Small bulbs that burn out regularly - did you know you can replace these with LED lights?
Avoid tickets and accidents with both working headlights! New bulbs are much brighter too
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Is your Sierra 3500 HD hard to turn? You might need to add power steering fluid - this video shows you how to correctly add power steering fluid to your 2021 GMC Sierra 3500 HD. Adding power steering fluid to your Sierra 3500 HD is easy (the hardest part is determining where is the power steering reservoir in your Sierra 3500 HD) and should be done whenever your power steering fluid is low. Before adding power steering fluid, be sure to check your owners manual to determine what type of power steering fluid to add to your Sierra 3500 HD. This information will typically be located in the back of the manual in a section title fluid capacities and specifications.
In a few days, check the power steering fluid level in your Sierra 3500 HD to make sure you don't have a leak. If you notice the power steering fluid level is low, see our how to fix minor power steering fluid leaks video.
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