Scion 16571-21020 Hose, Radiator, Inlet

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Carefully check the radiator and heater coolant hoses for any cracks, swelling, or signs of deterioration. Renew any damaged hoses and pay attention to the clips securing them. Inspect all cooling system components for leaks and renew any components or gaskets as necessary. Look for white or rust-colored deposits indicating a cooling system leak. Check fuel lines for connections and examine hoses for splits, cracks, or signs of leakage. Inspect the fuel tank, filler neck, and connections for damage. Check all rubber hoses and metal fuel lines for loose connections, damage, or corrosion. Inspect areas around the camshaft cover, timing chain cover, cylinder head, oil filter, and sump joint faces for indications of serious engine oil leaks. Examine the hose running between the power steering fluid reservoir and pump, as well as the return hose from the steering rack to the reservoir. Pay attention to crimped unions and surrounding areas secured with spring clips. Any suspected air conditioning system leaks should be referred to a specialist. Check brake fluid pipe unions for leakage and examine the area around the fluid reservoir for seal failure. Inspect braking system rubber hoses for perishing, swelling, or cracking. If fluid loss is evident, check brake calipers and underbody brake lines. Check hydraulic fluid line connections to the clutch master cylinder and clutch slave cylinder for leakage. If an unidentified fluid leak is present, park the car overnight with a piece of card underneath to pinpoint the location and identify the fluid. Check vacuum hoses for perishing, cracks, or hardening and renew any defective sections. Use an old length of vacuum hose as a stethoscope to detect leaks.