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Truck is overheating

Tiny
MIKE H R
  • MECHANIC
  • 3,094 POSTS
What you have described it sounds like the radiator cap. It is not releasing the excessive pressure to go into the reserve bottle. Change caps and let me know what you find.
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Saturday, December 15th, 2018 AT 11:52 AM (Merged)
Tiny
RICK123
  • MEMBER
  • 1 POST
  • 1997 DODGE RAM
  • V8
  • 4WD
  • AUTOMATIC
I just put a snow blade on my truck, Now the engine is getting hot.
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Saturday, December 15th, 2018 AT 11:52 AM (Merged)
Tiny
DRCRANKNWRENCH
  • MECHANIC
  • 3,380 POSTS
On some trucks, also depending on the blade, air cannot flow past it to get to the radiator.
Usually, the trucks overheats when in the up position.
Try running the blade as low as you can to see if that helps.

Let me know how it goes.
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Saturday, December 15th, 2018 AT 11:52 AM (Merged)
Tiny
TAMHAM
  • MEMBER
  • 1 POST
  • DODGE RAM
At what tempeture should the thermestat open on a 1997 dodge ram 1500
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Saturday, December 15th, 2018 AT 11:52 AM (Merged)
Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
That all depends on the type of thermostat you have, certain thermostats are made to run warmer and some are made to run cooler. Jus make sure its in the safe range on your guage.
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Saturday, December 15th, 2018 AT 11:52 AM (Merged)
Tiny
RWOATES1
  • MEMBER
  • 1 POST
  • 1998 DODGE RAM
  • V8
  • 2WD
  • AUTOMATIC
  • 200,000 MILES
I have replaced radiator, fanclutch, themostat, radiator cap, flushed transmission, changed the old coolant, added a transmission cooler, and still over heating all this in 2 days can anyone help? Runs to a boil out the resevoir
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Saturday, December 15th, 2018 AT 11:52 AM (Merged)
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Hi there,

Make sure that the thermostat is opening, and if it is and the system is bled of air I would be checking for a head gasket problem next.

Mark (mhpautos)
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Saturday, December 15th, 2018 AT 11:52 AM (Merged)
Tiny
ALAN6
  • MEMBER
  • 1 POST
  • 1996 DODGE RAM
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 187,029 MILES
Hello, I have a 96 dodge ram, its running 230 degrees. I have changed thermostat twice, new radiator, hoses, water pump, very rusty before I changed these. Checked heater core for clogs, was clear. The radiator does not ever look like it curculates. Only builds pressure in radiator if you rev up motor, top hose hot, but bottom hose and radiator stay warm to cool, I also replaced belt, and it is routed correctly. Problem stays the same when thermostat is left out, please help
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Saturday, December 15th, 2018 AT 11:52 AM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Lets try bleeding the cooling system maybe there's air in it.
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Saturday, December 15th, 2018 AT 11:52 AM (Merged)
Tiny
REYES50`
  • MEMBER
  • 1 POST
  • 1996 DODGE RAM
Engine Cooling problem
1996 Dodge Ram 6 cyl Two Wheel Drive Automatic

I have a truck that is over heating. As long as it sits and idles its fine and won't over heat, but when I drive it a couple of miles down the road it begins to over heat.

I've changed the thermostat and even flushed the radiator and it still does the same thing.

I'm stumped. And need a little help
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Saturday, December 15th, 2018 AT 11:52 AM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Could be an air lock in the system or the fan clutch is defective
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Saturday, December 15th, 2018 AT 11:52 AM (Merged)
Tiny
SARAWT
  • MEMBER
  • 1 POST
  • 1996 DODGE RAM
  • 190 MILES
Truck started tapping and lost power. Still drive able but white smoke comes out exhaust. Thought might need tune-up. Replaced distrib cap, plugs, wires etc but no imrovement in power and still tapping and white smoke. There does not appear to be any water leaks around motor and oil looks normal
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Saturday, December 15th, 2018 AT 11:53 AM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Get it block and pressure tested to rule out a blown headgasket. The engine is probably getting too Hot and causing to ping
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Saturday, December 15th, 2018 AT 11:53 AM (Merged)
Tiny
ALFONSO LARRIVA
  • MEMBER
  • 1 POST
  • 1988 DODGE RAM
  • V8
  • 4WD
  • AUTOMATIC
  • 97,000 MILES
Have installed new radiator, rebuilt heads, new water pump, new oil filter, new plugs, set timing, new wires, new ecg valve, new pcv valve, new hoses, vacuum lines.
It still heats up. Looks like it is either a cracked block or the oil pump may be shot! Oil pressure looks to be real low!
What do you think?
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Saturday, December 15th, 2018 AT 11:53 AM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
1988 Dodge Ram engne overheats in 8 mile drive, Get it block and pressure tested to find out where the leak is-You sure its not airlock-try bleeding it.

Oil pressure low could be just the oil pressure sending unit out of calibration-check the pressure with a gauge
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Saturday, December 15th, 2018 AT 11:53 AM (Merged)
Tiny
BBS3CC
  • MEMBER
  • 1 POST
  • 1988 DODGE RAM
Engine Cooling problem
1988 Dodge Ram V8 Automatic

What is the operating temperature for a 1988 Dodge Ram 250 with a 360 carberator?
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Saturday, December 15th, 2018 AT 11:53 AM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,716 POSTS
The factory thermostat is designed to fully open at 195 degrees F.
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Saturday, December 15th, 2018 AT 11:53 AM (Merged)

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