Ford YL7Z-6758-AA Tube Assembly

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Due to high under-hood temperatures, the rubber hoses in the engine, accessory, and emission systems must be regularly checked for any signs of possible deterioration. Look for cracks, loose clamps, hardening material, and leaks. Ensure clamps have not lost tension and hoses have not expanded or hardened. The PCV system hose should be checked for damage, cracks, leaks or obstructions. If necessary label vacuum hoses for proper condition and material matching. Examine plastic T-fittings for cracks or distorted hoses. You can use a small piece of vacuum hose as a stethoscope to locate leaks. When disconnecting pressurized fuel hoses be careful to check for chafing, deterioration, or cracks. Replace spring-style clamps with screw clamps.