Northstar Engines and System Technical Discussion Discussion, Procedure for Coolant flush in Cadillac Engine Discussion; Is there any procedure for flushing the coolant on a 99 North*. Just wanna make sure I dont run into ...
- 04-13-06 09:40 PM #1Cadillac Owners Fanatic
- Automobile(s): 98 Concours 212,000 orginal motor,trans
- Join Date
- Jul 2003
- Springfield Mo
Procedure for Coolant flush
Is there any procedure for flushing the coolant on a 99 North*. Just wanna make sure I dont run into vapor lock or anything. Thanks in advance!!
- 04-13-06 10:01 PM #2
Re: Procedure for Coolant flush
You can't vapor lock it. It is self purging so it will clear any air in the system. Just check the level after you drive it the first time in case it has gone down a little.