I saw this Mopar made engine coolant water pump oiling additive for sale , part number 68029698AC
but can not find any info on what coolants it is compatible with or what it really does.
Does it prolong water pump life, lubricates the bearing? can it be used with the Hemi HOAT coolant?
Please...
5.7 hemi
Couple of days ago i had a leak from the top radiator hose - loose clamp, in the overflow tank the coolant wend down just under the low cold fill line when hot. Coolant temp was normal.
Next morning added coolant and put cap back on before starting engine, drove around , no leaks...
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