06 Buick Lucerne running hot/ overheating

Asked by GuruRH3TZ Feb 09, 2020 at 07:50 PM

Question type: Maintenance & Repair

No leaks, new thermostat, flushed.  When it gets
hot my coolant fills up overflow but it doesn't drain
back unless I remove the radiator cap.  Sometimes
I hear a gulping sound when I cut it off and top
radiator hose looks collapsed like suction would
do.

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