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Re: 99 Tahoe coolant drain petcock ???
Posted to Technical Discussion Forum on 11/22/2003 4 Replies

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Hi Bill, Usually the petcock is on the lower driver's side, often where it is completely inaccessible. And it usually only turns ΒΌ turn then you need to pull it out. What I do to avoid this dilemma is... Login to read more.

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