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Dodge Ram Radiator and Cooling

66 messages,  Last post on Oct 09, 2009 at 4:28 AM

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What is this discussion about? Dodge Ram Pickup 1500, Auto Repair, Truck

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#57 of 66 dodge ram running hot by alansteven Jul 19, 2009 (9:15 am)
my 2002 ram 4.7 runs hot whilst doing 70mph or above...especially when towing a medium weight load (at 60mph i must add ha..legal speed in U.K.).I have replaced the thermostat to see if it was faulty.... and also the water pump that was faulty..and it still runs hot.(about mid way between med and hot)..the motor is reliable but I was wondering if this is just normal..up hill it runs hotter but not enough to have to stop..normal town driving its fine all day..its just troubling...
#58 of 66 Re: over heating 2005 dodge ram 1500 4.7 [jmason0001] by alansteven Jul 19, 2009 (9:24 am)
Replying to: jmason0001 (Jun 25, 2009 6:40 am) hi ..i have the same problem and have replaced the same units but no solution as yet..mine is 2002..mine seems to just run hot but not over heat..lets hope someone knows..i had thought of fitting an electric extra fan in the bay ..i did think there might be a problem with the rad fan ...I presume it switches on at a given temp and wondered if I could lower the temp on it ? what do you think ?
#59 of 66 02 dodge ram over heating by scott141 Aug 14, 2009 (5:58 am)
02 ram with 113000 miles 4.7 i am having a over heating problem it will idle without over heating but as soon as a drive it a few miles it over heats to a boil.I have changed the water pump,fan clutch and thermostat and have burped the system and also have flushed it out,can anyone give me any ideas on what to try next Thanks
#60 of 66 Can't find this one in the search. HELP!!!!! by mchapman2 Aug 26, 2009 (12:54 pm)
#61 of 66 Can't find this one in the search. HELP!!!!! by mchapman2 Aug 26, 2009 (12:54 pm)
I have a 2006 Dodge Ram 1500 and on cold starts, in park, it sounds like my radiator fan is spinning double time. Its as if its a jet engine under there, like it is going to blow up. The only way it will go away is if i slowly press the accelerator ( still in park or in drive) and get the rpm's up over 2500 for about 45 secs. This doesn't only happen on cold starts though, it also happens randomly when i will come to a stop light or I am sitting in park after driving for quite a while. This happened in a 2003 Ram that I had and I didnt realize it one day and I just took off down a busy road and my radiator fan broke off busting up my radiator and bending my pullies. I traded the truck shortly after getting it repaired . I was just thinking it was due to high mileage. I never got diagnosis on it and now my 06 is doing the same thing. Any clue what is going on?? It may not be the radiator fan, but it sure sounds like it. My truck is really quiet normally when this happens it is abnormally loud and increases in sound as i push the accelerator until it seems to even out. Any help would be greatly appreciated
#62 of 66 04 ram 1500 4.7L overheats at 79 to 80 mph in 85 deg weather by int97 Sep 20, 2009 (8:30 pm)
#63 of 66 04 ram 1500 4.7L overheats at 79 to 80 mph in 85 deg weather by int97 Sep 20, 2009 (8:30 pm)
I have an 04 ram 1500 4wd quad cab, with a 4.7L engine. When the temp outside us upward of 85 degrees, and I drive over 70 mph, it will get hot, to the point of the warning light coming on. It does this in less than 10 miles.   If I keep the speed under 70, or slow to around 60 if it gets hot, it will immediately come down. Also if I exit the freeway it immediately drops temp. It never gets hot in traffic or idling. Also, turning on the heater does bring the temperature down.   I even tested by getting it hot, exiting the freeway on a side highway, dropped to 2nd and drove about a mile, mile and a half at 3000 to 3500 rpms. The temperature dropped to normal during that time.   The water pump was replaced (failed) in Feb 09. The thermostat was replaced in May 09. The dealer can't find anything definitive, but thinks the radiator is clogged, should be replaced or at least flushed.   It puzzles me, as I would think if it was the radiator, it would overheat at lower speeds. I don't want to spend several hundred on a radiator and have it not be the problem.
#64 of 66 99 Dodge Ram 2500 by oilgasman Oct 03, 2009 (2:56 pm)
Just replaced the water pump and noticed a leak from one the bolts just under the water port inlet. Pulled the pump off and I seem to have water in the bolt hole. Concerned I might have punch through to the water jacket. Same pump and same bolt??? any suggestions??? If I am right how is this repaired?
#65 of 66 2000 Dodge 150, 5.9 heat problem by bigdog18 Oct 08, 2009 (5:11 am)
have had my Dodge for some time, during the winter when i turn on the heat, get this steam looking and radiator smell coming out of the vents, also fogs the wind shield up even after truck runs for awhile, doesn`t seem to go away, checked fluid and a/c ran low on refrigerant this summer. Any info ? Replies to this message: kcram (Oct 09, 2009 4:28 am)
#66 of 66 Re: 2000 Dodge 150, 5.9 heat problem [bigdog18] by kcram HOST Oct 09, 2009 (4:28 am)
Replying to: bigdog18 (Oct 08, 2009 5:11 am) The radiator smell in the vents is usually a sign of a bad heater core. The window fogging is a result of low AC refrigerant - the evaporator runs during defrosting to remove moisture in the air... if there's no/low refrigerant, the evap won't cycle properly and the humidity collects on the windows.   kcram - Pickups/Wagons Host

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