Join Date: Dec 2008
Location: New Brunswick, Canada
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Re: Coolant Flush
Yes it is still "dirty" after the drain and fill, but that has nothing to do with the lubricating properties of the fluid. The old fluid loses its lubricating properties, and that's why you change it out...not because it's dirty. The reason you don't flush is because when you loosen up that dirt in the flush, some of it gets trapped in the valve body and causes problems. It's best to just let the deposits stay where they ended up in the first place rather than stirring it up and letting the stuff get lodged where it should not be.
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2005 Titan LE King Cab 4x4 Offroad Big Tow FFV.
Radiant Silver with charcoal leather interior, black Nissan OEM brush guard, LT315/70r17 Kelly Safari TSR tires on OEM OR 7-spoke 17" rims, Rough Country 3" lift, 1" rear block, Bilsteins 5100s front and rear, 2011 Pro4x rear end, Axle vent mod, 2 degree timing advance, NGK Iridium spark plugs, Stock Airbox mod with K&N filter, Magnaflow 14" SI/SO muffler on stock pipes with T304 stainless double-wall tip, Optima Yellow Top D34 battery, OEM Rockford Fosgate audio system, Protecta chrome tool box, 6000K HID headlights, TomTom GO 920 Navigation system.
2012 Nissan Rogue SV AWD - Wife's ride