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My truck's overheating taught me why coolant flushes matter
I used to think flushes were just for show. My truck started running hot last summer. The coolant had turned to sludge from never being changed. Now I do flushes every two years, no exceptions. The engine runs cooler and lasts longer.
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hernandez.claire7mo ago
Yeah, that line about the coolant turning to sludge really got me. I heard a mechanic say that old coolant loses its chemicals that stop rust and lubricate the water pump. So it turns acidic and eats away at everything inside, creating all that gunk. It makes total sense why a flush would fix your overheating issue. You're right to stick to that two year plan now. What kind of truck do you have, by the way?
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the_lisa7mo ago
Learned that lesson the hard way when I ignored my coolant for like five years. Had to replace the entire radiator because the sludge clogged every single tube. The mechanic showed me the chunks of rust and it looked like something from a horror movie. Cost me way more than a simple flush would have. Your mechanic friend is totally right about the acid eating everything. That two year plan is solid advice.
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anna7177mo ago
Didn't I hear that neglected coolant can corrode aluminum parts too?
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emma_jones7mo ago
That sludge clogging the radiator tubes is the worst. I started using a coolant filter on my old work truck and it catches so much junk.
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