Problem Statement
Learn how to diagnose and repair the source of an oil burning smell in your Toyota Highlander with step-by-step instructions.

Toyota Highlander Fourth Generation (2020-present)
Learn how to diagnose and repair the source of an oil burning smell in your Toyota Highlander with step-by-step instructions.
For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.
After completing the repair, verify that the issue has been resolved:
To prevent this issue from occurring again:
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Valve Cover Gasket Replacement:
Oil Pan Gasket Replacement:
Oil Filter:
PCV Valve Replacement:
If the burning oil smell persists despite these checks and repairs, it may be necessary to consult a professional technician for further diagnosis, as internal engine issues may not be easily detectable without specialized tools or equipment.