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Old Mar 5, 2010 | 08:45 PM
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235* ect

just had the whole oil / egr cooler replacement deal & am still seeing coolant temps at 235 & oil temp at 230, so where to look next
-water pump- theromstat ?
 

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Old Mar 5, 2010 | 08:47 PM
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Doubt its the thermostat, probably the water pump. R&R the thermostat then the waterpump if the thermostat doesn't fix it.
 
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Old Mar 5, 2010 | 09:02 PM
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is there a simple test to check the water pump?
 

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Old Mar 5, 2010 | 09:11 PM
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haha yea... are your coolant temps really high?
 
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Old Mar 5, 2010 | 09:18 PM
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I'd call 235 too high
 
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Old Mar 5, 2010 | 11:06 PM
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just read some old posts about pump replacement, I think I'll go throw up now
 
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Old Mar 6, 2010 | 04:00 AM
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Does your stock temperature gauge go into the RED at those temperatures? I've been curious about that because on my digital gauges they have been spiking even higher than what you're seeing, but the stock gauges haven't moved out of the normal range. I know that they are dummy gauges, but I feel that if I was really hitting 250* the fan would engage or the stock gauge would go into the red. So I'm just wondering if my digital gauges aren't getting a bad reading??

But I'm with you in that I was curious about my water pump, but I didn't want to have to change that out!
 
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Old Mar 6, 2010 | 09:25 AM
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Originally Posted by gb'sfx4
just read some old posts about pump replacement, I think I'll go throw up now
Sorry, but that's funny no matter who you are..
 
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Old Mar 6, 2010 | 09:38 AM
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I was seeing 235-240 towing, 220 empty before and after egr/oil cooler replacement. After egr delete, haven't seen over 200, thought I haven't hooked up toy hauler yet.
 
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Old Mar 6, 2010 | 10:26 AM
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the stock gauge reads just above normal, doesn't reach red, I get my temps. from the insight
 
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Old Mar 6, 2010 | 12:14 PM
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From: Fallon,NV
Originally Posted by 2001400ex
I was seeing 235-240 towing, 220 empty before and after egr/oil cooler replacement. After egr delete, haven't seen over 200, thought I haven't hooked up toy hauler yet.
Besides the Edge Insight and Quadzilla Commander, what other types of gauges is everybody using to get these readings? I'm curious if anybody with an analog gauges has seen temperatures this high? I was just thinking that maybe we're getting a faulty electronic reading? I just can imagine the fan being engaged and staying engaged with temperatures this high.

When I saw my ECT spike to 300* on the digital gauge, even though my stock gauge hadn't changed the other day while towing my 30' trailer on a 35* degree day, I just figured that the gauges were screwed up because the fan never came on and the motor wouldn't last long like that.
 
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Old Mar 6, 2010 | 12:23 PM
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From: Spokane, WA
Originally Posted by dc3655
Besides the Edge Insight and Quadzilla Commander, what other types of gauges is everybody using to get these readings? I'm curious if anybody with an analog gauges has seen temperatures this high? I was just thinking that maybe we're getting a faulty electronic reading? I just can imagine the fan being engaged and staying engaged with temperatures this high.

When I saw my ECT spike to 300* on the digital gauge, even though my stock gauge hadn't changed the other day while towing my 30' trailer on a 35* degree day, I just figured that the gauges were screwed up because the fan never came on and the motor wouldn't last long like that.
Hold down the trip button on the dash before you start the truck, and keep it pressed until truck starts. You will see the gauges sweep, then you can toggle til you see ect. It is in celcius but provides temp, same as insight reads.
 
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Old Mar 6, 2010 | 01:42 PM
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Originally Posted by 2001400ex
Hold down the trip button on the dash before you start the truck, and keep it pressed until truck starts. You will see the gauges sweep, then you can toggle til you see ect. It is in celcius but provides temp, same as insight reads.
That's good to know. My other vehicles have a similar function, but I didn't think about it with the truck. I'll try it next time to see how the gauges respond. Thanks for the insight.
 
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Old Mar 6, 2010 | 02:12 PM
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From: Spokane, WA
Originally Posted by dc3655
That's good to know. My other vehicles have a similar function, but I didn't think about it with the truck. I'll try it next time to see how the gauges respond. Thanks for the insight.
Yeah, there are a few things in there, battery voltage as well. I haven't bought an insight yet, though I still probably will. I like to see my trip meter while towing as that is as important as the fuel gauge. But to see where it runs and to troubleshoot the mechanical gauge, it works well.

And keep in mind, my ECT will go from 160 to 240 and my stock gauge won't move. It it worthless in reality.
 
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Old Mar 6, 2010 | 02:18 PM
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Its possible your fans are not working... The fan has a clutch that could be toasted not allowing the fan to engage. If your coolant is that hot the fan should be coming on...

does you fan ever come one?
 
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