Lincoln 9L3Z-6758-A Tube Assembly

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Spring-type clamps may lose tension over time, so they should be replaced with screw clamps when changing fuel hoses.

When inspecting hoses, you should check for cracks, loose clamps, material hardening, and leaks. Also, ensure that clamps haven't lost tension and hoses without clamps haven't expanded or hardened at their connections.

To check vacuum hoses effectively, consider removing them from the vehicle for inspection. This allows you to examine them closely and check for proper material specifications. You should also look for cracks, hose distortion at fittings, and inspect plastic T-fittings for cracks. Using a small piece of 1/4-inch inside diameter vacuum hose can help detect vacuum leaks by listening for hissing sounds while probing hoses and fittings.