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Adding distilled water?

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Old Jul 12, 2012 | 03:01 PM
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Adding distilled water?

My coolant is about 2 quarts low. Would it be OK to just add distilled water for now? In a couple of months I am goin to flush the coolant & put in Cat elc? Thanks
 
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Old Jul 12, 2012 | 03:13 PM
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Yes, if you just want to avoid buying some coolant for a while. But I would be more concerned about where that coolant went. No sense spending money flushing and buying ELC, only to find you've got a bad head gasket or EGR cooler.
 
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Old Jul 12, 2012 | 03:15 PM
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Yes but I would figure out why the coolant is that low. Have you drained some lately or suspect a leak?
 
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Old Jul 12, 2012 | 03:33 PM
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I dont see any leaks anywhere. Its not blowing any white or black smoke. There isnt any residue in the degas bottle either. Thanks for answering so quickly
 
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Old Jul 12, 2012 | 03:48 PM
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Originally Posted by jp45601
I dont see any leaks anywhere. Its not blowing any white or black smoke. There isnt any residue in the degas bottle either. Thanks for answering so quickly
No problem. I see you are a somewhat new user, so I will add that the original level molded in the side of the degas bottle is not correct. Too high. And that difference is about 1/2 gal. So don't put too much in, or it might just blow back out. Sorry if I am being Mr Obvious here.

Once you set the level, watch it for a couple of months to make sure it is holding it. Consistently check it when cold before starting the truck.
 
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Old Jul 12, 2012 | 03:52 PM
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He also meant to tell you that it should be about 1/2 inch BELOW the MIN line.....
 
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Old Jul 12, 2012 | 03:54 PM
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Originally Posted by BPofMD
He also meant to tell you that it should be about 1/2 inch BELOW the MIN line.....
Yes, thank you. The old COLD line is now the new HOT line. Or there abouts. I haven't found it to be particularly critical.
 
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Old Jul 12, 2012 | 03:57 PM
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HAHAHA - I've taken up mind-reading now, Bill!
 
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Old Jul 12, 2012 | 04:16 PM
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For grins, park the truck slightly nose down overnight. Then pull the EGR valve and look into the intake manifold. If there's coolant in there, the EGR cooler is leaking.
 
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Old Jul 12, 2012 | 05:26 PM
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I was allready thinking about pulling my EGR valve. While i have it out I will be cleaning it. I checked my coolant this morning & it looks like it's just about at the minimun line. It's probably OK though. I may have been parked on a slight angle. Thanks everyone
 
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Old Jul 12, 2012 | 07:37 PM
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Personally I wouldn't run it long with a weak coolant concentration - you are inviting cavitation damage.
 
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Old Jul 12, 2012 | 07:51 PM
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That coolant level is definitely important. Before I got educated here, I was overfilling it and it would always blow out on me, lol.
 
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