Quote:
Originally Posted by jeremym
I agree with your last two statements. The *only* thing coolant changes would do is ensure (but still not 100%) that contaminants are out of the system and flushed with new fluid. However, I still don't think that matters as much as the odds, as you say.
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The coolant pipe problem occurs because the end of the pipe has a rubber gasket fused onto an aluminum alloy pipe. When coolant is not serviced the ph of the cooling system becomes more caustic. This causes the pipe decay and thus the leak to happen.