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Discussion Starter · #1 ·
Currently, I am not having any overheating problems. But I'm getting ready to change the coolant on my 05 6.0L with 189,000 miles on it. I added a coolant and oil filter systems then added a new blue spring kit las week. Truck sounds a lot less noisy and seems to run better overall. At the 190k mile mark I want to change the coolant as well as the coolant filter. I read a PDF I found on this site regarding the procedure. 1. After I drain the system and refill with water do I drive the vehicle for 60-120 minutes to flush it all through or do I just let the truck idle for that period of time? 2. Are people using the Fumoto Valves on their engine? 3. Are others doing the chemical flush and reverse flush or just one type? 4. My transmission and coolant temperature gauges register about equal and at mid way on their gauges but I know the temperature because my truck only has idiot gauges and lights, how are others determining temperatures? Thank you.
 

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california deplorable
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some use the fumptos some dont its kinda like oil ask a dozen people you'll get at least ten differnet answers
doesnt matter if yohu drive or idle...just get the truck to temp
you can pull the t stat and still get it waarm for the first few flushes to speed things up
i am a fan of cascade then distilled until clean but...everybody has something that works for them
if you have an ipr filter a back flush is not a bad idea i run the bpd air to oil cooler so...
but i hear that works wonders
last and most importantly
you need a monitor
cheapest is probably an android anything and the torque pro app(google can explain all that) with a dongle to read vitals from the ecm port i am too tired right now t remember the name of...
the guages in the dash are more decorations than actual info the only one i look at is fuel...
welcome to the org hit the sticky section on monitoring and flushing and yohu will find more info than yohu need i am sure
feel free to start a new thread if you need if this doesnt come back to life or you need more info from others and enjoy your stay and your truck
these things are a blast
 
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I put the Fumoto valves in mine finally. I just do a drain and fill with 50/50 Zerex G05, and I know you don't get 100% of it out that way. But, it's so easy to do with the Fumoto valves that if you do it every 30k miles or so (draining the radiator and using the two block drains, of course), I'd think you'd be fine.

I've read that people who do the chemical flush often plug up the oil cooler, so many wait until their oil cooler needs to be replaced before doing that. But, like John Galt said, you'll get a lot of different answers.
 

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Discussion Starter · #4 ·
I put the Fumoto valves in mine finally. I just do a drain and fill with 50/50 Zerex G05, and I know you don't get 100% of it out that way. But, it's so easy to do with the Fumoto valves that if you do it every 30k miles or so (draining the radiator and using the two block drains, of course), I'd think you'd be fine.

I've read that people who do the chemical flush often plug up the oil cooler, so many wait until their oil cooler needs to be replaced before doing that. But, like John Galt said, you'll get a lot of different answers.
Thanks for all the info everyone. Just got back in country.
It's much appreciated.
 

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Compression Ignition Addict
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IMO, all the G05 coolants are subject to dropping particulates out if they get too hot, and as the coolant ages.

It is a better bet to use an EC-1 rated ELC coolant.

Get the monitoring system. Torque Pro is good, but ForScan is a better code reader. Both give you numerical valuis for engine parameters. The ScanGaugeII is nice for the engine data, but it is a TERRIBLE code reader, and it is the most costly of the three mentioned.

ForScan and Torque Pro can be downloaded to a smartphone for $6-$10. The OBDII (ELM327) adapter can be anywhere from $35 to $80. The BAFX brand of adapters works well, and is inexpensive. I use the WiFi for iOS phones and the Blue Tooth for Android. The OBDLink MX+ is the best adapter to get, but it is expensive.

You can get the full version of ForSCan for free on a Windows laptop, and would need a USB version of the OBDII adapter. You can use an Android tablet or your Android phone with Torque Pro and BlueTooth.

Get the temperature data before you flush. The reason to use chemicals in a flush is if you already have contamination and plugging. No reason to if the coolant system is totally clean.

At KOEO, after the engine has been off for 8-10 hours), read the transmission fluid temp, oil temp and the coolant temp. They should all be within a few degrees of each other.

Then drive it and get the engine completely warmed up and read all of the temperatures mentioned earlier. While driving at highway speeds, the oil temperature should be withing 15 degrees of the coolant temperature (in reality, a completely clean system should get you to well below 10 degree differential).

Post the data you get.

People that do flushes without knowing the health of the coolant system are potentially making a significant mistake.
 

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Discussion Starter · #6 ·
Thank you bismic. That's the kind of info I was looking for. My mechanic recommended the scanguageII. I haven't heard of the other you recommended. Ill look into those. Sure would be nice to have hat info. Thanks again.
 
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