1998 Cadillac DeVille Q&A
1998 Cadillac DeVille Question: coolant
i just bought a 98 cadillac deville , is has green egine coolant in there, but the car orginally takes orange dex-cool, should i change it back to the original brand? If i change back to the orignal orange dex-cool whats the consequences? - Visitor
All coolants are very similar. If your owners manual says use dex-cool then use it. If it does not specify, you are safe to use any type of coolant. I recommend buying a premixed 50/50 solution. - M_Kast
There shouldn't be anything wrong with that. The problem is if you use dex-cool which is rated a lot longer than traditional coolant and you mix them the dex-cool loses its superior performance. So just use dex-cool and when adding only use the same and it will last longer. - jason94
low coolant level no leak white smoke???
The water pump and/or the plastic side tanks on the radiator may leak causing a loss of coolant. The engine may overheat due to coolant loss. Continued coolant loss after external leaks have...
coolant filled to proper level goes low after driving
...t how to check the ECT sensor, and the car had no codes. My next question is how you bleed the coolant system on a 2000 Deville