QSB 380.

firstlight

Member
Joined
Mar 25, 2005
RO Number
16749
Messages
222
How to change anti Freeze on cummins qSB 380 and what type and brand to refill thanks
 
Don't you have the Cummins engine manual?? They are usually very specific and have many drawings. Some models have very specific requirements.
 
No help with google and the engine manual does not show any illustration, tried that first.
 
Does the. Manual give any coolant instructions at all. Some engines require venting or burping of coolant lines. Does it use a coolant filtercontainindspecial additives?
 
http://www.meridianyachtowners.com/showthread.php?3316-coolant-replacement
 
Here's an image of "Cummins QSB drain plug"
Your 380 could be different that whatever model that one is:
(Edit- sorry the link was too long and didn't display so it was deleted, but just google the above if you care to see it. )
 
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