My Cadillac overheating

Asked by May 26, 2017 at 08:22 PM about the 1999 Cadillac DeVille

Question type: Maintenance & Repair

My car keeps blowing out hot air and
overheats every 15 minutes and it leaks
what's wrong

5 Answers

26,565

it leaks.... hows about more info....

I leaks every time when I stop

17,915

By now it needs head and intake gaskets (upper engine gasket kit & if high miles rebuild the heads and/or have heads resurfaced and checked for cracks aka pressure tested). Find all hose's and radiator leaks and repair or replace and your overflow coolant reservoir cap (if reservoir is leaking replace it) and bleed out all air from system and check/test/replace thermostat.

69,495

If you have the Northstar engine it's probably going to be the head gaskets. All Northstar engines blow head gaskets sooner or later. Have the coolant tested for exhaust gases to confirm this. HTH. -Jim

Why does it leak so much in the grintvof the car but under

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