x55 Posted December 2, 2008 Report Share Posted December 2, 2008 1998 sts did major flush+new coolant,new radiator and new thermostat, but the temperature still too high,,any one know why?? http://www.cadillacforums.com/forums/cadil...tml#post1699314 more details Link to comment Share on other sites More sharing options...
BodybyFisher Posted December 2, 2008 Report Share Posted December 2, 2008 1998 sts did major flush+new coolant,new radiator and new thermostat, but the temperature still too high,,any one know why?? We need a lot more information than that, explain in detail what you mean by TOO HIGH Check your purge line to make sure its clear, check the water pump belt and tensioner, check the cooling fan operation and explain too high 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...
Ranger Posted December 2, 2008 Report Share Posted December 2, 2008 Definitely need to define "too high". Link to comment Share on other sites More sharing options...
JimD Posted December 2, 2008 Report Share Posted December 2, 2008 http://www.cadillacforums.com/forums/cadil...e-too-high.html Going to the "H" mark with all the bells and whistles really qualifies as too high. Jim Drive your car. Use your cell phone. CHOOSE ONE ! Link to comment Share on other sites More sharing options...
MAC Posted December 4, 2008 Report Share Posted December 4, 2008 I second BBF's suggestion to check the purge line, especially if all was fine prior to the flush. Some debris could have clogged the line which means the cooling system can't purge trapped air. I've had the same problem in the past and I sucked out the debris with a Mityvac. Link to comment Share on other sites More sharing options...
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