Question about 2004 Dodge Ram

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2004 Dodge Ram 3.7L Overheating

Runs good in town and on highway. Get on the highway pulling my boat and overheats. Get off the highway pulling my boat and cools back down. Only overheats on highway loaded. Worked fine last year. Only happened this summer. Looking for what I should replace or do.

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  • yadayada
    yadayada May 11, 2010

    has the radiator been cleaned? does the clutch fan lock up?

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Is the a/c running or not??
if it is check to be sure the auxiliary fan comes on when you turn the a/c on!!!
if thats ok then it's probably your fan clutch!!!

Posted on Jun 17, 2009

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Posted on Jan 02, 2017

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1 Answer

My 2004 dodge ram 1500 (Hemi) is overheating at idle but does fine on the highway, what could cause this?


According to anandtech.com, Tom said: "If this only happens at idle and your fans are operating and your coolant level is good, my suspicion is the thermostat. "

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Truck overheats on hot days


Hello exlinejeremy and thank you for asking your question, on Fixya.

Here is a simple process that will walk you through a few steps that will pinpoint the overheating problem on your 2004 Dodge Ram, without even using any tools. It has helped millions of people, and I am certain that it will help you, because I wrote it for people like you. So here is the link:
How to diagnose your overheating 2004 Dodge Ram
You might want to pay close attention to the thermostat or radiator sections of these instructions.

Get more great, money saving, tips and tricks about your vehicle from: twitter.com/acoates23234

Thanks for the vote, and good luck!

Jul 02, 2010 | 2004 Dodge Ram

1 Answer

My 2004 Dodge truck 4.7L over heats when I pull my trailer. I replaced the thermostat and the water pump. What do you suggest. Should I replace the rad cap? Trailer weight is 1500lbs.


Seeing as it seems you do not have any overheating problem other than when you are towing I believe that you need to make sure that when towing you do not have the transmission in overdrive unless going downhill. This is the #1 reason for transmissions failure while towing. Trans overheat = engine overheat
Hope this helps.

May 20, 2010 | 2004 Dodge Ram 1500

2 Answers

Everytime I pull my boat, the truck runs hot, any ideas as to why?


boat too heavy for the truck. check the rated towing capacity for the truck

Oct 15, 2009 | 2004 Dodge Ram 1500

1 Answer

Overheating


if you have a hole on the hose you going to overheat.......replace hose as soon as you can
don't drive while is overheating.

G

Jul 04, 2009 | 2004 Dodge Ram 1500

2 Answers

2004 overheating at highway speeds


Check rad cap & check your rad hoses for one that may feel soft & collapsing & restricting flow under higher speeds. Sometimes you can see it **** in when you rev engine in park. Especially lower hose.

Jun 26, 2009 | 2004 Dodge Ram

1 Answer

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these trucks destroy heads, should be under 7yr. 70,000 warranty, call a dealer to in quire.

May 19, 2009 | 2004 Dodge Ram 1500

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sounds like your radiator is not flowing freely. this will cause it to overheat w/driving down road.

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If it runs cool when you are moving the fan clutch is probably weak. If it overheats when moving down the road you more than likely have a radiator problem. Make sure the fins on the radiator and clear from debris for max cooling system efficiency.

Aug 29, 2008 | 2004 Dodge Ram 1500

1 Answer

2002 Dodge Ram 1500 with a 3.9 engine overheating


Check your rad hoses. They will tend to collapse (**** in) & cut down on flow at highway speeds, more than city, due to increased demand & flow on cooling system. If they don't feel relatively stiff, I'd change them. You might even see them **** in while sitting and revving the engine a bit.

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