2001 24v runs hot when towing - Dodge Cummins Diesel Forum
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post #1 of 22 (permalink) Old 01-14-2013, 08:54 PM Thread Starter
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2001 24v runs hot when towing

hey everyone i am working on the road and i live in my fifthwheel. my job keep me moving and everytime I tow my truck she want to overheat at every hill i get to. Is there anything i can do to fix this? Ive moved my oil breather bottle away from my radiator and have cleaned out as much gunk and oil out of my radiator and fan shroud but is there anything else i can do to prvent overheating?

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post #2 of 22 (permalink) Old 01-14-2013, 09:13 PM
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You can try pulling your thermostat and verify that it still opens as it should. Place it in a pot of boiling water.

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post #3 of 22 (permalink) Old 01-14-2013, 09:20 PM
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Steps needed to remedy: 1. Check fan clutch 2. Remove radiator and thoroughly clean oil and buildup in the fins. (you cannot see the gunk with radiator in truck) 3. Flush coolant and replace thermostat. After this I guarantee your truck will no longer get hot pulling any hill. Assuming its not overruled and egts are in check


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With a 47RE it's impossible to tell. It's easier diagnosing what's wrong with a woman.
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post #4 of 22 (permalink) Old 01-14-2013, 09:22 PM
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Also fill out your signature with your trucks details so we can more easily help you in the future. Go to "user cp" on bar at the top of the page and click "edit signature"

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With a 47RE it's impossible to tell. It's easier diagnosing what's wrong with a woman.
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post #5 of 22 (permalink) Old 01-14-2013, 09:35 PM Thread Starter
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Well the first thing i did after it got hot was replace the thermotat, flush the radiator, move the bottle away from the radiator and clean the gunk. the only thing is i didnt pull the radiator so it sounds like i need to do that to clean it properly. Is there any other way to check the fan clutch besides just listening for it when towing?

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post #6 of 22 (permalink) Old 01-14-2013, 10:30 PM
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You probably know this but clean in between the rad and the other one. Idk if its trans cooler oil cooler or ac condenser or what. But the front of my rad was really bad in between. I power washed it and its been great


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post #7 of 22 (permalink) Old 01-14-2013, 10:55 PM
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Quote:
Originally Posted by Twistedcummins View Post
Steps needed to remedy: 1. Check fan clutch 2. Remove radiator and thoroughly clean oil and buildup in the fins. (you cannot see the gunk with radiator in truck) 3. Flush coolant and replace thermostat. After this I guarantee your truck will no longer get hot pulling any hill. Assuming its not overruled and egts are in check


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That's why I want to know is your EGT's?

Are you driving with your foot mashed to the floor praying for speed limit are are you driving the truck like a diesel gearing down and climbing the hill like all the bigger brothers on the road? I see it much to often when people are floor boarded and try to race to the summit.

I can haul my trailing my signature which weighs roughly 16,000-17,000 pounds GCW at 53 MPH in 4th gear on a 6-7% grade and hover right at 1,000 to 1,100*F EGT's. Coolant is right at 197-205*F.

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-= My articles have not been deleted. Just moved to a new location. Look for the "Articles" tab at the top of the web page! =-
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post #8 of 22 (permalink) Old 01-14-2013, 11:07 PM
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You probably know this but clean in between the rad and the other one. Idk if its trans cooler oil cooler or ac condenser or what. But the front of my rad was really bad in between. I power washed it and its been great


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You must remove the radiator to clean it properly...

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With a 47RE it's impossible to tell. It's easier diagnosing what's wrong with a woman.
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post #9 of 22 (permalink) Old 01-14-2013, 11:13 PM
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Quote:
Originally Posted by Mopar1973Man View Post
That's why I want to know is your EGT's?

Are you driving with your foot mashed to the floor praying for speed limit are are you driving the truck like a diesel gearing down and climbing the hill like all the bigger brothers on the road? I see it much to often when people are floor boarded and try to race to the summit.

I can haul my trailing my signature which weighs roughly 16,000-17,000 pounds GCW at 53 MPH in 4th gear on a 6-7% grade and hover right at 1,000 to 1,100*F EGT's. Coolant is right at 197-205*F.
Yes egts play a huge role in coolant temps, if I putt up the hills on lower power levels and lower egts my coolant temp hardly ever breaks the high 190's. But I do like to (if safely possible) pull my jeep or 20ft 5th wheel at, or slightly above the speed limit on the big hills so I don't have to deal with the extremely slow traffic of the right lane. So at 12-1250* foot almost to the floor on lvl 4 my coolant temps can see 208-210 on a warm day but that's not warm enough to bother me.

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With a 47RE it's impossible to tell. It's easier diagnosing what's wrong with a woman.
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post #10 of 22 (permalink) Old 01-14-2013, 11:23 PM
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If everything is up to date includining a throughllly cleaned radiator you good.
Many try to go up hills with pedal to floor. Like Moparman says, you can't rip up the hills. Slow down and smell the roses, and you be fine.

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post #11 of 22 (permalink) Old 01-15-2013, 12:45 AM
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You must remove the radiator to clean it properly...
I'm aware of that. .i was agreeing with you. Just letting him know that even though he said he's cleaned it as best he could while still on the truck, dirt can be on the front of his rad in between them.



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post #12 of 22 (permalink) Old 01-15-2013, 09:19 AM
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Quote:
Originally Posted by Twistedcummins View Post
Yes egts play a huge role in coolant temps, if I putt up the hills on lower power levels and lower egts my coolant temp hardly ever breaks the high 190's. But I do like to (if safely possible) pull my jeep or 20ft 5th wheel at, or slightly above the speed limit on the big hills so I don't have to deal with the extremely slow traffic of the right lane. So at 12-1250* foot almost to the floor on lvl 4 my coolant temps can see 208-210 on a warm day but that's not warm enough to bother me.

Quote:
I can haul my trailing my signature which weighs roughly 16,000-17,000 pounds GCW at 53 MPH in 4th gear on a 6-7% grade and hover right at 1,000 to 1,100*F EGT's. Coolant is right at 197-205*F
That's with my Edge Comp on 5x5...(Max'ed out) they always said you should never tow with your module wide open I do it all the time and not problems with controlling EGT's.

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-= My articles have not been deleted. Just moved to a new location. Look for the "Articles" tab at the top of the web page! =-
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