2000 Cadillac seville sts

Asked by May 20, 2015 at 02:14 PM about the 2000 Cadillac Seville STS

Question type: Maintenance & Repair

I have had problems with my 2000 Cadillac sts seville  overheating and coolant spewing out of resivoir it will be
fine and then heater will stop being hot and car will overheat i have been changing the thermastat a couple times
and it will be good for a week or two then one day i went to start my car and nothing so i jumped the car it started
but nothing worked dash radio locks seats nothing electrical and when i turnred the car off it would not start
again i checked the fuses unerneath the backseat and all the fuses are working fine so i have no ideas the only
things i know about cars is what ive had to do before

3 Answers

67,445

These Northstar engines are notorious for blowing head gaskets. Have the cooling system pressure tested. To do the head gaskets correctly you're looking at upwards of $3500. HTH. -Jim

405

Do this ck the oil look at the dip stick if looks bubbly or whitesh most likely blown head gasket

405

Also ck the raditor make sure you have a good flow could be clogged

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