Coolant in secondary filter ISX 2013 485 HP
07-21-2019, (Subject: Coolant in secondary filter ISX 2013 485 HP ) 
Post: #5
RE: Coolant in secondary filter ISX 2013 485 HP
I would not recommend pressurizing the coolant system with the injectors out unless you simply cannot find the problem without pressurizing it ...

Even so, if you apply more than about 5 lbs of pressure to the coolant system with the injectors out, you may cause additional cup failure(s) where there were none.

I have even seen older manuals for the ISX that stated to pull a light-to-medium vacuum on the coolant system before removing injectors on engines with high run time on them to prevent the cups sticking to a dirty injector tip and getting un-seated / becoming leaky.

just some info on the subject anyways.


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RE: Coolant in secondary filter ISX 2013 485 HP - Rawze - 07-21-2019



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