Recent content by flyfisherholms

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    New to forum…21 Sierra, Coolant Control Valve P1098 fixed

    I think they didn’t test their new fancy valve enough before it was released. Way too complicated for what it needs to do.
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    New to forum…21 Sierra, Coolant Control Valve P1098 fixed

    If you mean fix without pulling the whole valve assembly out, no. The motor box in question rides the top of the valve and would be impossible to get to without removing the whole thing.
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    New to forum…21 Sierra, Coolant Control Valve P1098 fixed

    Hello folks, I successfully repaired my coolant control valve at home, no dealer fees, or WAITING for spare parts required…My 21 Sierra started throwing the P1098 code at 63k miles and blasting fans at 100% power. For a while I could restart the engine and it would go away, eventually that...
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