Cooling system drain/flush?
09-05-2007, 12:26 PM
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Cooling system drain/flush?
My truck has 60K miles on it and I'm getting ready for a 6 week camping trip where I will pull a 25' trailer about 6,000 miles to the western states. While I've never had an overheating problem, should I consider draining & flushing the cooling system just as a preventive maintenance matter? The cooling fluid looks OK but I can't tell if the anti-corrision chemicals are still OK.
09-05-2007, 02:31 PM
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dont worry about it. your coolant is extended life, good for 5 years and 150k miles(i think) plenty of life left.
however mine drained and flushed itself when i blew a freeze plug
all over the little car behind me.
however mine drained and flushed itself when i blew a freeze plug
all over the little car behind me.
09-05-2007, 04:10 PM
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Dodgezilla... You must have selected the auto coolant drain option when you ordered your truck. Ha Ha Did the dealer tell you he could deprogram that option for a fee??
09-06-2007, 01:47 AM
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http://www.valvoline.com/pages/produ...asp?product=10
Some of the guys in our N. Texas DTR club (2nd genners) started doing a
'drain and fill' once a year with their trucks. They don't flush. They just drain the radiator and refill it with coolant/distilled water.
So I started doing this too. Now I drain and refill every 20k miles at my self-imposed maintenance interval...........along with tranny, tranny filter, transfer case, diffs, 2 micron fuel filter. Mine drains almost 5 gallons out....so I put 2.5 gallons of Zerez G-05 and 2.5 gallons of Distilled water back in. It doesn't get it all out, but it keeps almost new stuff in it all the time. Personally, I believe it is good to change it out often just to keep new additives in the mix all the time. Anyway after 40 or 60k miles (2 or 3 changes), my coolant mix should be new or new like without actually doing a "flush".
Some of the guys in our N. Texas DTR club (2nd genners) started doing a
'drain and fill' once a year with their trucks. They don't flush. They just drain the radiator and refill it with coolant/distilled water.
So I started doing this too. Now I drain and refill every 20k miles at my self-imposed maintenance interval...........along with tranny, tranny filter, transfer case, diffs, 2 micron fuel filter. Mine drains almost 5 gallons out....so I put 2.5 gallons of Zerez G-05 and 2.5 gallons of Distilled water back in. It doesn't get it all out, but it keeps almost new stuff in it all the time. Personally, I believe it is good to change it out often just to keep new additives in the mix all the time. Anyway after 40 or 60k miles (2 or 3 changes), my coolant mix should be new or new like without actually doing a "flush".
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