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A. It is a cap and pump connector hose assembly with threaded cap designed for 318 Series cooling system pumps.
A. The threaded cap attaches to the expansion tank and the hose links to the 318 Series pump for pressure testing.
A. It ensures reliable sealing and quick setup, matching the pump’s fittings and the threaded caps used in that series.
A. When working with 318 Series pumps and matching threaded caps, typically on vehicles listed in the associated application dat
A. Inspect for cracks, leaks, thread damage on the cap and ensure the hose fittings are secure and free from obstruction.
A. It is intended for 318 Series pumps; use with others should only follow verification of thread and connector compatibility.
A. Coil it gently, avoid sharp kinks and keep it in the cooling system tester case to protect threads and seals.
A. Dirt or damage can prevent tight sealing, causing false pressure drops and misleading leak diagnoses.
A. It simplifies connection and reduces time required to prepare the vehicle for pressure testing.
A. “031822V2 cap pump connector hose 318 series” or similar terms are likely."
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