getting hot while hauling uphill
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Joined: Sep 2009
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getting hot while hauling uphill
I have an F350 diesel dually 7.3 liter w/turbo. Lately it's seemed to struggle up hills while hauling and the temperature gauge goes up and then slowly back down on the other side. The turbo doesn't seem to kick on or something. All maintenence is kept regular any thoughts?
Hook it, I'll pull it.
Joined: May 2007
Posts: 15,037
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From: Grand Lake, La.
Welcome again. 
Have you flushed the coolant with a good antifreeze lately? What does your coolant look like? Does your fan roar when it starts getting hot? Sorry for the questions, but we need more info to start looking into this. What year truck?
Have you flushed the coolant with a good antifreeze lately? What does your coolant look like? Does your fan roar when it starts getting hot? Sorry for the questions, but we need more info to start looking into this. What year truck?
Hook it, I'll pull it.
Joined: May 2007
Posts: 15,037
Likes: 4
From: Grand Lake, La.
As far as the turbo problem, check all the rubber boots for cracks and tightness. There are 4 of them on the IC tubes and 2 orange ones below the spider leading to the intake manifold. These boots can leak and cause a drop in the boost.
Others will chime in to give you some more help, I need to close the store. I will check back in the morning. Good luck.
still plays with trucks
Joined: Mar 2004
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From: Twin Falls Idaho
have you ever pulled the radiator and cleaned it? I mean pressure washed the fins and removed all the bugs and weeds and dirt. this cannot be done in the truck. if its never been done I guaranty that its 50% plugged with sh-stuff. The debris seems to make through the intercooler and stops at the radiator. Air flow is the key. do the above procedure and I'll bet you temps come down.
Barney
Barney
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have you ever pulled the radiator and cleaned it? I mean pressure washed the fins and removed all the bugs and weeds and dirt. this cannot be done in the truck. if its never been done I guaranty that its 50% plugged with sh-stuff. The debris seems to make through the intercooler and stops at the radiator. Air flow is the key. do the above procedure and I'll bet you temps come down.
Barney
Barney
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you can't fix stupid!
Joined: Mar 2008
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on the a/c condensor yes but the radiator you can pressure wash as long as you move over it quickly and dont hold the pressure washer in the same place too long........
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Joined: Apr 2009
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From: Northern Idaho
That's why if I pressure wash the front I do NOT get close to the radiator. Stay at a big distance and don't hit the radiators hard with the pressure washer. Let the mist hit it, that's it. If they are bent then you have air restriction through the coolers and they need to be combed out otherwise all 3 radiators will be starved of cooling air.
still plays with trucks
Joined: Mar 2004
Posts: 1,743
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From: Twin Falls Idaho
The process is real simple. remove the radiator from the truck. lay it face down on a couple of 2x4s or something similar. keep pressure washer at a 12 in distance and wash all the bug guts, weed seeds, and dirt back out the front the way they came in. once you THINK its clean flip it over and do it again. then flip it BACK over and do it again. I have removed as much as 20 lbs of sh-tuff from a single rad. when I did my personal truck. the lower 3 inches were plugged with mud. makes a whole lot of difference. well worth the effort. the AC will even work better. the fan won't come on as often also.
just basic maintenance.
Barney
just basic maintenance.
Barney
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