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Re: Dexcool coolants leaks at 5.7l GM's
Posted to Technical Discussion Forum on 6/15/2001 2 Replies

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Edwin,

I was told at GM school, that all RC27 radiator caps from April of 2001 and back are faulty and should be replaced with (I believe it was) and RC30 cap or a RC 33 or a Stant replacement cap. ... Login to read more.

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