i have a 2005 bonneville se 3.8 both radiator hoses collapse,i have replaced both hoses and the hoses are still collapsed any ideas.

Asked by Oct 03, 2015 at 12:22 PM about the 2005 Pontiac Bonneville

Question type: Maintenance & Repair

2 Answers

7,405

put a metal coil in like the old days to keep the hose open.

4,955

Is there a blockage in the over pressure line that runs to the over flow reservoir from the radiator? When your engine cools it creates a vac in your cooling system that draws in fluid from the reservoir. If this is clogged it would explain your collapsed hoses since they are the only other component of the system that is flexible. (Another possibility is your radiator cap is not functioning at the correct pressure limits.)

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