Air bubbles in cooling system - Page 2 - Lexus IS Forum
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post #16 of 19 (permalink) Old 01-27-2019, 08:42 PM Thread Starter
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I've done that and the noise came back in about a week.....I replaced the top radiator hose yesterday as i noticed some pink discoloration at the hose ends...there's some on the bottom as well... I'm going to replace it and the rest of the coolant hoses next week...They're probably due anyway...Maybe that will help.
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post #17 of 19 (permalink) Old 01-27-2019, 08:48 PM Thread Starter
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I fixed a hose...with any luck it will take care of the problem.
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post #18 of 19 (permalink) Old 01-28-2019, 01:06 PM
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Originally Posted by ricka58 View Post
I've done that and the noise came back in about a week.....I replaced the top radiator hose yesterday as i noticed some pink discoloration at the hose ends...there's some on the bottom as well... I'm going to replace it and the rest of the coolant hoses next week...They're probably due anyway...Maybe that will help.
While you're in there check the radiator for hairline cracks. I had pink residue on mine and replaced and bled the system to stop the bubbling
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post #19 of 19 (permalink) Old 01-28-2019, 09:44 PM Thread Starter
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I bet it's time for a new radiator as well..the top is plastic and probably starting to get brittle.
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