Just my experience: My 98 Burb had the intake manifold gasket done and
the heater hose coupling before I bought it. When I bought it it was
leaking around the heater core bypass valve. My mechanic has the same
truck and suggested I replace the Dexcool with older green coolant (he
Not trying to restart a Dexcool debate, I just suggest that you
research the issue yourself. If you choose to do it (I did), do a
pretty thorough flush of the system.
Just my experience.
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