Asked by Nov 04, 2019 at 09:51 AM about the 2006 Buick LaCrosse

Question type: Maintenance & Repair

My heater takes a long time to heat up some times
I hear swishing  noises in the dash what part
should I replace

3 Answers


That swishing sound is coolant mixed with air in the heater core. Your coolant is very low.

1 people found this helpful.

So I just add coolant to it


I'd check the coolant to see if it needs to be replaced. If it's OK, add coolant/water mix, run the engine and purge air from the system; there are videos on line that show this simple process.

1 people found this helpful.

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