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2395
Dodge Dakota
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6/13/2007
19:20:18
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 Subject: Draining coolant(4.7L)from T-stat plug?
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At the rear of the thermostat housing there is a plug-and, I'd like to know what will drain from this plug on a dead cold engine, if it were removed? Would just the block be drained, or just the radiator-or, would both be drained? I'd like to know if draining from this plug would be effective in at least, draining the radiator coolant? Note: I'm aware that there is an block plug as well as an radiator drain-however, I'm not liking to use that "Mickey Mouse" plastic radiator drain=and, I'm curious to know if the plug at the back of the T-stat housing would be a better way of draining the coolant?
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JerryM
Dodge Dakota
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6/13/2007
20:18:10
| RE: Draining coolant(4.7L)from T-stat plug?
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I just drained the coolant from my 4.7 liter. No problem using the radiator drain plug, worked ok. The engine block plug was a little rusted and I did not mess with it. I also pulled the lower radiator hose at the thermo housing, and drained the coolant reservoir too by pulling the hose by the cap.
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MoltenRed Dak
Dodge Dakota
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6/14/2007
07:53:49
| RE: Draining coolant(4.7L)from T-stat plug?
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I read somewhere that raising the rear of the vehicle a couple of inches off the ground will drain almost all of the coolant out of the block with the lower radiator hose off. Of course this applies to a rear wheel drive vehicle...
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N56629
Dodge Dakota
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6/14/2007
08:09:41
| RE: Draining coolant(4.7L)from T-stat plug?
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Removing the thermosat plug will not drain anything below that point. If you want to remove all of the old coolant, get a flush kit and flush the entire system. This will leave some fresh water in parts of the system but that is ok. Find out your system capacity and add half that amount in straight coolant, not the expensive 50/50 crap. With the correct amount of coolant in the system all you have to do is top it off with water.
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JerryM
Dodge Dakota
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6/14/2007
15:01:43
| RE: Draining coolant(4.7L)from T-stat plug?
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I agree too that flushing is the best way. In my situation though living in an apartment, I don't think the neighbors would like seeing green water running to the storm drain. So a drain and fill was better than nothing.
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Jake
Dodge Dakota
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6/14/2007
18:51:31
| RE: Draining coolant(4.7L)from T-stat plug?
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From the lessons learned department: DO NOT USE TAP WATER to mix with the new coolant, only use distilled water. Tap water contains chemicals and other nasties that will leave deposits, or slowly erode the pipes in that almost impossible-to-get-to heater core.
Use the type recommended by the manufacturer. If you can get the pre mixed stuff, all the better.
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Kowalski
GenIII
6/15/2007
16:40:56
|  RE: Draining coolant(4.7L)from T-stat plug?
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"All the better" ??? With the premix almost as costly as straight, and distilled water much cheaper - I do it the same as N56629 !
Lead, follow, or get out of the way
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N56629
Dodge Dakota
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6/15/2007
19:02:35
| RE: Draining coolant(4.7L)from T-stat plug?
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Yeah, distilled water at many grocery stores is less than a buck a gallon if you bring your own bottle. In my experience coolant has always neutralized the effects of tap water. The only time I have seen people have serious problems is when they run straight tap water and no coolant. Some people think that since it is referred to as "anti-freeze" and it is warm out or they live in a warm climate they don't have to use it or it won't hurt to run straight water for a little while which often turns out to be months.
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oem software
Dodge Dakota
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2/10/2012
17:57:56
| qeeaLqmkRKPwZa
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EbETRd Hi! Everyone who reads this blog - Happy Reconciliation and Accord..!!
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