Vehicle Questions and Answers
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Every so often in the 2006 Toyota Highlander (and other cars), you may encounter power steering issues. Some common problems include low power steering fluid, air in the fluid, or a failing power steering pump. Let's focus on the leak issue for now. If you are low on fluid (or notice air bubbles in the fluid), it can lead to noisy and ineffective power steering operation. This can lead to further complications, so it is recommended to identify the leak source promptly. The primary culprits are the gasket around the fill cap and a damaged line.
If you notice a power steering fluid leak in your 2006 Toyota Highlander, it's probably due to a defective timing belt idler pulley, which will require replacement.