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Old 02-12-2011, 06:41 PM
Jon89 Jon89 is offline
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Join Date: Oct 2010
Location: Raleigh, NC
Posts: 27
Gender: Male
Vehicle: 1999 Ram 5.9 V8 1500 Series
Trim Level: Laramie SLT
Engine: 1998-2001 360ci (5.9L) Magnum V8 245hp(standard), 250hp(Sport package)
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Default Draining and Refilling Coolant in my 5.9


I have a 1999 Ram 5.9 2WD 1500-series Shortbed coming up on 60,000 miles. As part of the 60,000-mile service I'll do myself, I want to drain-and-fill the coolant. My records show that I did this in April 2007, and that only 2 gallons of replacement coolant were needed. Yet my owners manual shows that the coolant capacity for this truck is 20 quarts (5 gallons)....

When I did this in April 2007, I remember finding only one radiator draincock (which I believe was in the drivers side lower corner of the radiator). Are there more draincock locations elsewhere in the system? If so, where are they and how are they accessed? I'd like to get most if not all of the old coolant out of the system this time....

As always, thanks for your assistance....

Last edited by Jon89; 02-12-2011 at 06:44 PM.
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