Where can I find the vacuum hose on my Toyota RAV4?

★ Top Answer

The engine of a Toyota RAV4 contains numerous vacuum lines that serve various systems like the intake, exhaust, and fuel delivery. These lines are typically around ¼ inch in diameter and are made of rubber tubing. You can purchase sections of this tubing from an auto parts store and cut it to the required length to replace any worn-out sections. To identify the source of a vacuum leak, start the engine and let it warm up, then use carb cleaner to spray on the lines, focusing on junction points. When you come across a leak, the engine will rev up as the cleaner gets sucked into the combustion chamber and causes a more intense burn.

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