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1999 GMC Jimmy

Question: Bubbling noise from coolant reservoir area

Question

jonlotz4, Independence, MO, July 18, 2011, 17:23
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 Rookie

It's been really hot lately here in Kansas City. After I got home today and parked in the garage I heard bubbling noise from either the coolabt reservoir or below it where water is coming out from AC. Should I be concerned?

Also the temp gauge reads at about 220 degrees while driving in stop and go traffic. Should I get the coolant system inspected or is that normal for hot weather?

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  • Answer #1

    Sci-Tech (see my shops), September 01, 2011, 11:39
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     Technician

    Have the cooling system checked. Bubbling inside the coolant reservoir means the vehicle is over heating. The coolant temperature gauge only works properly when the coolant sender is immersed in coolant, so if the cooling system level is low, the gauge may not read correctly.

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