Procedure notes
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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你的Sierra 3500 HD转向困难吗？ 你可能需要添加转向助力油 - 本视频将教你如何正确地为你的 2021 GMC Sierra 3500 HD 添加转向助力油。 向您的 Sierra 3500 HD 添加转向助力油非常简单（最难的部分是确定您的 Sierra 3500 HD 中转向助力油箱的位置），当转向助力油液位偏低时，应随时进行添加。 在添加转向助力油之前，请务必查阅您的用户手册，以确定应向您的 Sierra 3500 HD 添加何种类型的转向助力油。 此信息通常位于手册的最后部分，标题为‘液体容量和规格’的章节中。
几天后，检查您的 Sierra 3500 HD 转向助力油液位，以确保没有漏液。 如果发现转向助力油液位偏低，请观看我们的如何修复轻微转向助力油泄漏视频。