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Old 02-21-2011, 10:09 AM   #1
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Quick coolant flush question!

Did my water pump the other day filled it back up with Preston 50/50 heard stuff is no good for our jeeps. Now I wanna flush it out so I can put the right stuff in. Well I emptied the radiator and the hose could I refill with water add a flush cleaner let the car warm up flush the radiator and hose and refill with right stuff?

Know they sell flush kits but I feel weird running my car with a hose running in it and heard tap water isn't good as well which is why I came up with idea I have now. Could I do that? Could really use some fast ideas by tonight trying to get the car back together before we get snow tomorrow and I need to get to work! Thanks!

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Old 02-21-2011, 12:45 PM   #2
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Use the mopar coolant from the dealer and mix with distilled water.

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Old 02-21-2011, 12:53 PM   #3
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I use the Prestone flush kit. It works fine. Tap water used while flushing the system won't hurt anything. I use Prestone long life coolant and mix with tap water to get the 50/50 blend. You can back flush the heater core as well by unhooking the hoses and putting a garden hose to the lower heater core nozzle. Sure, Prestone is not the Organic stuff specified in the owners manual but it does the trick and works just fine. I've never had trouble with it in my Jeep. The OEM stuff did corrode my thermostat, cause rust around the engine block where the thermostat resides and corroded the thermostat housing as well. That was my experience with it anyway.

Distilled water works fine, but, so does tap water. To each their own.
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Old 02-21-2011, 01:41 PM   #4
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Quote:
Originally Posted by Wdkirk01
I use the Prestone flush kit. It works fine. Tap water used while flushing the system won't hurt anything. I use Prestone long life coolant and mix with tap water to get the 50/50 blend. You can back flush the heater core as well by unhooking the hoses and putting a garden hose to the lower heater core nozzle. Sure, Prestone is not the Organic stuff specified in the owners manual but it does the trick and works just fine. I've never had trouble with it in my Jeep. The OEM stuff did corrode my thermostat, cause rust around the engine block where the thermostat resides and corroded the thermostat housing as well. That was my experience with it anyway.

Distilled water works fine, but, so does tap water. To each their own.
So pretty much take the hose off n out the water hose in the hose that goes into the water pump to back flush it and I should be fine? I don't have any dirty in there I think I need to put a cleaner thing in it.
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