13. The upper radiator hose collapses when the engine gets cool. A defective _______ is the most likely cause. A. hose B. pressu

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svetoff [14.1K]

4 years ago

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13. The upper radiator hose collapses when the engine gets cool. A defective _______ is the most likely cause. A. hose B. pressu

re cap C. thermostat D. hose spring

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1 answer:

sasho [114] · Answer 1 · 2022-01-27T21:33:18+03:00

Answer: B

Causes and Fixes. The most common cause for radiator hose collapse is a vacuum issue caused by a faulty radiator cap. Caps are rated around 14–16 psi. Under normal circumstances, caps should release the negative pressure caused when an engine cools down and the liquid coolant contracts.