Overheating Problem
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Overheating Problem
Ok here I go 95 psd dually 2wd....overheats at 55mph or higher....replaced clutch fan, removed t-stat, replaced water pump....not loosing coolant...coolant looks clean..........driving me crazy...can any one help?
More Turbo
Joined: Jun 2009
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From: Michigan
Clean the fins on your radiator, unbolt the shroud and use a garden hose and wash out the core. Thexton make a tool #423 that goes on a water hose to make this job easier. I clean the radiators and A/C condensers on my vehicles annually to get all the bugs, fuzz and road junk out.
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From: Glen Rose,Texas
Clean the fins on your radiator, unbolt the shroud and use a garden hose and wash out the core. Thexton make a tool #423 that goes on a water hose to make this job easier. I clean the radiators and A/C condensers on my vehicles annually to get all the bugs, fuzz and road junk out.
More Turbo
Joined: Jun 2009
Posts: 580
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From: Michigan
What he said but you may have to send it to the radiator shop and have it vated and rodded....I had a 94 one time and I changed everything I could think of like you did and it would still overheat.Pulled the radiator off and had it cleaned and temp gauge would barely be over the white line after that.
No, you do not remove the radiator, you need to clean the fins that the air flows through, usually they are full of bugs, dirt, leaves and junk.
I think the # on the thexton tool is 467a and not 423
This fixes 90% of the overheating problems I see.
It takes me up to a hour to clean one the way I do it.
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well it will keep getting hotter and hotter if I keep my foot on the pedal(past 55) obviouly when it gets past 1/2 the gauge I get out of the pedal...
thanks
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Thread Starter
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Senior User
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What he said but you may have to send it to the radiator shop and have it vated and rodded....I had a 94 one time and I changed everything I could think of like you did and it would still overheat.Pulled the radiator off and had it cleaned and temp gauge would barely be over the white line after that.
pardon the ignorance, but what is vated and rodded?
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From: Glen Rose,Texas
No Sir...No dumb questions here,we are all learning.
At a good radiator shop they will submerge the radiator in a chemical mixture that will help break down scale.Then they will use a rod with an abrasive and clean the veins....Bets way to get one clean.IMO
At a good radiator shop they will submerge the radiator in a chemical mixture that will help break down scale.Then they will use a rod with an abrasive and clean the veins....Bets way to get one clean.IMO
Postmaster
Joined: Jan 2009
Posts: 2,667
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From: Glen Rose,Texas
No, you do not remove the radiator, you need to clean the fins that the air flows through, usually they are full of bugs, dirt, leaves and junk.
I think the # on the thexton tool is 467a and not 423
This fixes 90% of the overheating problems I see.
It takes me up to a hour to clean one the way I do it.
I think the # on the thexton tool is 467a and not 423
This fixes 90% of the overheating problems I see.
It takes me up to a hour to clean one the way I do it.
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Joined: Jun 2007
Posts: 2,795
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From: Rogue River, OR
Let me see if I understand this correctly.... as you increase your speed to 55 MPH the stock temp gauge goes to center and you think that the temp is rising so you back off. Do I have this right?
Before I did anything further I would get a infra red thermometer (No contact) drive the truck until you think that it is HOT, immediately stop and take it's temp on the water pump. These rigs, as a rule don't generally over heat. What is the condition of the coolant? Is it cruddy?
Helifixer is right, put the RIGHT thermostat back in, it is a needed item. You may very well need all that has been suggested but I am leaning towards the gauge/sender, It's an Idiot light with a Pointer.
Rog
Before I did anything further I would get a infra red thermometer (No contact) drive the truck until you think that it is HOT, immediately stop and take it's temp on the water pump. These rigs, as a rule don't generally over heat. What is the condition of the coolant? Is it cruddy?
Helifixer is right, put the RIGHT thermostat back in, it is a needed item. You may very well need all that has been suggested but I am leaning towards the gauge/sender, It's an Idiot light with a Pointer.
Rog
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thank you so much!