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PSA: I swapped the coolant on my '06 Silverado after 5 years and the temp gauge dropped 15 degrees at idle.
The old stuff was basically brown sludge and couldn't transfer heat. Anyone else see a huge difference after finally doing a flush they kept putting off?
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the_lucas12d ago
My buddy's truck ran way cooler after he finally did his.
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williams9012d ago
What did he finally do, @the_lucas?
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