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Re: Sonoma 4.3 Vortec Intake/Head Gasket Replacement
After gallons of flushing, refilled with Peak coolant. No more dexcool. I can still see some grime in the system, but no blockage of T-stat or heater core for over a month.
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72 Cheyenne Super C10 SWB
2001 Silverado 1500HD Crew
2011 Silverado 2500HD Crew Duramax (Hers)
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