1993 K2500 6.2D radiator cap
Hi,
what are the symptoms when radiator cap is not doing its thing? What about the arrows on top of the cap? In my case one points with "AC" and 180 degrees other way points out with "RC-36". Also it's written "align arrow & vent tube".
This came up when after some days driving the coolant level on expansion tank doesn't change. Hot or cold doesn't matter, stays on the same level.
what are the symptoms when radiator cap is not doing its thing? What about the arrows on top of the cap? In my case one points with "AC" and 180 degrees other way points out with "RC-36". Also it's written "align arrow & vent tube".
This came up when after some days driving the coolant level on expansion tank doesn't change. Hot or cold doesn't matter, stays on the same level.
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peter654
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Aug 18, 2019 6:59 PM




