Lincoln AA5Z-6758-E Tube Assembly

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As a result of the high temperatures, the regular checks should be exhaustive to detect any cracks, material hardening, loose clamps, and leakages. Hoses with clamps must be tightened properly to avoid leakage. In addition to this, we will now proceed to check the PCV system hose for any damage and blockages as well as solvent cleaning. Therefore vacuum hoses usually have color codes for easy recognition. Finally, the specifications of replacement hoses should match prior and during reinstallation important labeling is necessary. To cause vacuum leaks use a small piece of hose as a stethoscope. One has to inspect fuel hoses under pressure since they could be deteriorating, chafing or cracked at any moment.