coolant gets low then i have a big leak fill up coolant tank stops level goes down then leak again. thank you res

5

Asked by Sep 27, 2014 at 04:25 PM about the 2003 Chevrolet Silverado 2500HD 4 Dr LT 4WD Extended Cab SB HD

Question type: Maintenance & Repair

1 Answer

246,755

Because it is leaking under pressure after it warms up. Repair the leak, ex, hose, water pump, radiator, coolant tank, etc. add more coolant and water 50/50 and bleed the system.

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