BigTyler Posted April 28, 2009 Report Share Posted April 28, 2009 my car is going through about a gallon of coolant every 2 weeks... it is a 2000 deville and it keeps sucking the coolant down and there are no spots where it may have leaked under it... whats wrong??!! Link to comment Share on other sites More sharing options...
BodybyFisher Posted April 28, 2009 Report Share Posted April 28, 2009 You must have the cooling system pressure tested, it might be leaking under pressure Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
BigTyler Posted April 28, 2009 Author Report Share Posted April 28, 2009 should i just take it to a dealership for that or can it be done at any mechanic? Link to comment Share on other sites More sharing options...
Ranger Posted April 29, 2009 Report Share Posted April 29, 2009 Any mechanic can test it. Are you overheating? That is a LOT of coolant to be loosing with no visible leaks. Link to comment Share on other sites More sharing options...
BigTyler Posted April 30, 2009 Author Report Share Posted April 30, 2009 nope i dont overheat.. but i also dont let it go too low because i dont want to hurt my baby Link to comment Share on other sites More sharing options...
BodybyFisher Posted April 30, 2009 Report Share Posted April 30, 2009 Any good mechanic can do it, you might find a good radiator shop that can do it Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
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