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Thread: 2004.5 radiator replacement options/improvements? Reply to Thread
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  Topic Review (Newest First)
09-06-2019 05:04 PM
vanman I believe it is a factory defect. Cracks at the upper driver side mounting bracket. Tried JB weld, but did not last long. When the plastic expands it opens back up. I replaced mine with the same, but after market. Should of went aluminum. Took 5 hours to change, next time i'll do it in 4.
04-22-2019 04:54 PM
steve05ram360
Quote:
Originally Posted by Gator1 View Post
Yes, it's called a lifetime guaranteed aluminum radiator from Mishimoto and Kool thermostat.
that would require a new shroud for my fans if the core size is different... would be a good excuse to go to rev b of the shroud.
04-22-2019 04:53 PM
steve05ram360
Quote:
Originally Posted by DaveH77 View Post
Hello Steve and everyone,
I was actually wondering if I could clamp it again. Its not much of a leak, about 6" of damp concrete overnight, but can't tell when driving under full pressure. Didn't want to go crimping on the 14 yr old plastic POS unless someone had gone there before. Definitely didn't want to risk making it worse and have absolute replacement come even sooner.
I have built and worked on a lot of classic muscle cars in the distant past, always a challenge to keep those old gassers cool, especially in summer heat & in town traffic.
4 core brass was always the ticket, over 400 cid and 400+HP a 4 core would barely do it but it was the best we had. HD thermo clutch fan out of a 500cid Cadillac helped a lot.
Thanks guys, Dave
I clamped on mine 1x with zero issues in the time after... you can certainly try it... just set the vice grip so it does not over crimp it. Read up/look up web info on it or videos...
04-22-2019 01:09 PM
Gator1 Yes, it's called a lifetime guaranteed aluminum radiator from Mishimoto and Kool thermostat.
04-22-2019 12:15 PM
DaveH77 Hello Steve and everyone,
I was actually wondering if I could clamp it again. Its not much of a leak, about 6" of damp concrete overnight, but can't tell when driving under full pressure. Didn't want to go crimping on the 14 yr old plastic POS unless someone had gone there before. Definitely didn't want to risk making it worse and have absolute replacement come even sooner.
I have built and worked on a lot of classic muscle cars in the distant past, always a challenge to keep those old gassers cool, especially in summer heat & in town traffic.
4 core brass was always the ticket, over 400 cid and 400+HP a 4 core would barely do it but it was the best we had. HD thermo clutch fan out of a 500cid Cadillac helped a lot.
Thanks guys, Dave
04-17-2019 09:49 AM
24hrsparkey
Quote:
Originally Posted by utahtrapper View Post
All Aluminum would be the way to go.
I broke the factory plastic drain when I did my flush. LOL POS.
I was lucky and found a Mishimoto someone bought and then sold his truck. I do really like and for 400.00 not to Bad.

Yaeh NEVER use that dinkey pet gizmo for that very reason.
Just pull the lower hose ( carefully) and let nature take its course.
04-16-2019 11:48 PM
steve05ram360 Here is the thread where i did the work. 11/2016...

https://www.cumminsforum.com/forum/3...air-print.html
04-16-2019 10:12 PM
Grit dog Dave, I think you got your answer in post #4. Steve's always good for an effective economical solution.....
Thank you Steve. I've considered that a couple times over the years and just ended up replacing a radiator. Valuable info like THIS is why forums like this are great!
04-15-2019 03:54 PM
utahtrapper All Aluminum would be the way to go.
I broke the factory plastic drain when I did my flush. LOL POS.
I was lucky and found a Mishimoto someone bought and then sold his truck. I do really like and for 400.00 not to Bad.
04-15-2019 01:50 PM
steve05ram360 My OEM radiator had a nasty end tank leak, I took a pair of vice grips to all of the crimps on each tank and tossed it back in there. The intent was to have it last long enough for me to go source a better radiator than what I pulled out (BTR junk) and be off & running again leak free.

2+ years later, still no leaks from it and I have not swapped it out.
04-14-2019 12:09 PM
verdesardog I recently put an all aluminum radiator in my 06. Got it from ebay, it looks and performs very nice. the only thing is it take a smaller radiator cap! It looks like a mishomoto knock off.
04-14-2019 10:08 AM
jerrodlk I installed one from OíReilly. It works just fine for me.
However I also installed a thermostat from OíReilly and it was junk. Had to replace the OíReilly thermostat with one from NAPA and replaced the radiator cap with OEM. Now Iím good on cooling.


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