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03-16-2019, 09:58 PM
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#9 |
 Drives: 2007 2-door hatchback Join Date: Jul 2016
Location: USAnotCA
Posts: 750
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How would the coolant darkening relate to a blocked PCV valve?
I had a small block Chevy metal PCV valve clicking so loudly that I adjusted the valves on that side before discovering what it was. It wasn't dirty, and the same looking (and same acting, in hand) replacement PCV valve was quiet. |
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| Tags |
| brown coolant, burnt oil, decreased performance, engine noise |
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