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  #1  
Old 06-18-2011, 07:10 AM
ben10 ben10 is offline
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Default help! overheating

Ok so I have noticed a few times lately my truck wwhen going up a long hill under a load, when im on the throttle it starts getting real hot, way too close to the red for my comfort level... I have sprayed out the radiator to gget the bugs and mud and shit out, checked the fluid level and its full. Its just getting to summer and I need this truck to be reliable, what do I do to keep this beast cool? I was thinking next ill flush the radiator, but idk if that's it or not...
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Old 06-18-2011, 07:16 AM
pooleo pooleo is offline
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Default Re: help! overheating

perhaps the clutch on the fan is f'ed. If its not tightening up when it gets hot, it wont cool
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  #3  
Old 06-18-2011, 07:16 AM
edgeman4.0 edgeman4.0 is offline
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Default Re: help! overheating

did you try changing the thermostat?
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  #4  
Old 06-18-2011, 07:22 AM
ben10 ben10 is offline
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Default Re: help! overheating

I was thinking about the fan clutch, if its slipping at high RPMs that could do it, my dad has an electric fan that im planning on throwing on hopefully this week. As far as the thermostat I doubt it is thatm but its a cheap and easy part to replace so I might go ahead and do it anyways. Is anyone running anything different than a oem temp thermostat?
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98 2wd 2.5, 5 speed, dropped with some stuff done
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  #5  
Old 06-18-2011, 07:34 AM
richarddhoward richarddhoward is offline
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Default Re: help! overheating

If you are thinking about flushing the coolant, do the thermostat, costs no more then 7 bucks as I remember. I'd check and make sure your water pump is working well too.

With engine COLD, like sitting overnight cold, remove the radiator cap, turn the truck on and let it go through all it's initial start up, and see if there is fluid moving in the radiator. This will tell you if the pumps good. Then run the truck around, pull over pop the hood and see if the fan ever turns on, but you need the truck to be at operating temp for that.
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  #6  
Old 06-18-2011, 07:38 AM
ben10 ben10 is offline
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Default Re: help! overheating

Ok cool thanks richard. This is the very first time I have ever delt with a cooling problem in any vehicle I have ever owned other than a stuck thermostat and a few blown hoses. Im going to try to get this all taken care of this week.
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  #7  
Old 06-18-2011, 07:41 AM
richarddhoward richarddhoward is offline
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Default Re: help! overheating

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Originally Posted by ben10 View Post
Ok cool thanks richard. This is the very first time I have ever delt with a cooling problem in any vehicle I have ever owned other than a stuck thermostat and a few blown hoses. Im going to try to get this all taken care of this week.
The other thing, check the hoses, they could have lost their structural rigidity. Also check the fins on the radiator, if you have a lot of them bent that will do the same thing. It may not be an issue most days, but running up the long grades it can cause overheating from lack of airflow, all you need is a dinner fork to run down them, maybe a butter knife and that'll help straighten them out.

Aftermarket mods will do it as well. i was worried about this when I put the new bumper and lights on, make sure you don't have anything blocking the air into the radiator.
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97 Ranger - 4.0 V6 auto, 4wd, 31x10.5x15s Wild Country XTX Sport All Terrains, Warn locking hubs, Pioneer deck with iPod attachment, Snugtop Topper, K&N filter, scan gauge II, Hella 500 Lights, More parts coming, waiting for the paycheck to get bigger!

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Originally Posted by aaron_ariens View Post
I think Henry just shit himself
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Its kind of like that carnival game "Whack A Mole" but with guns! Haha
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  #8  
Old 06-18-2011, 07:50 AM
ben10 ben10 is offline
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Default Re: help! overheating

The fins aren't too bad, and I actually got a tube bumper on the front now so more air than before can get through.

My truck was loaded up with a lot of gear, but it wasn't the first time it had done this. The hill was about 2 miles long and climbs probably 700 to a thousand feet, with the o/d off it had no problem climbing it but she was getting warm. Ill check the hoses too.
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99 extended cab, 4.0, auto, 33s, 4x4 lifted with some stuff done

98 2wd 2.5, 5 speed, dropped with some stuff done
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  #9  
Old 06-18-2011, 07:56 AM
richarddhoward richarddhoward is offline
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Default Re: help! overheating

Quote:
Originally Posted by ben10 View Post
The fins aren't too bad, and I actually got a tube bumper on the front now so more air than before can get through.

My truck was loaded up with a lot of gear, but it wasn't the first time it had done this. The hill was about 2 miles long and climbs probably 700 to a thousand feet, with the o/d off it had no problem climbing it but she was getting warm. Ill check the hoses too.
Yeah, I towed basically everything I own, across country in mine. Going basically from sea level to the top of the Cascades, and Rockies and she never got warm on me. There is probably something simple here. I would recommend the electric fan. Takes a little load of the engine, and they are more efficient.
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97 Ranger - 4.0 V6 auto, 4wd, 31x10.5x15s Wild Country XTX Sport All Terrains, Warn locking hubs, Pioneer deck with iPod attachment, Snugtop Topper, K&N filter, scan gauge II, Hella 500 Lights, More parts coming, waiting for the paycheck to get bigger!

Truck built in loving memory of Norm Howard
Outcast Racing
PNW Crew!!!
Afterhours Clan!!
Quote:
Originally Posted by aaron_ariens View Post
I think Henry just shit himself
Quote:
Originally Posted by Radness View Post
Its kind of like that carnival game "Whack A Mole" but with guns! Haha
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  #10  
Old 06-18-2011, 08:34 AM
FireRanger FireRanger is offline
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Default Re: help! overheating

Its gotta be either the fan clutch not locking up or the water pump impeller is all rotted out.
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  #11  
Old 06-18-2011, 08:35 AM
richarddhoward richarddhoward is offline
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Default Re: help! overheating

Quote:
Originally Posted by FireRanger View Post
Its gotta be either the fan clutch not locking up or the water pump impeller is all rotted out.
That's where I am thinking the issue is as well.
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97 Ranger - 4.0 V6 auto, 4wd, 31x10.5x15s Wild Country XTX Sport All Terrains, Warn locking hubs, Pioneer deck with iPod attachment, Snugtop Topper, K&N filter, scan gauge II, Hella 500 Lights, More parts coming, waiting for the paycheck to get bigger!

Truck built in loving memory of Norm Howard
Outcast Racing
PNW Crew!!!
Afterhours Clan!!
Quote:
Originally Posted by aaron_ariens View Post
I think Henry just shit himself
Quote:
Originally Posted by Radness View Post
Its kind of like that carnival game "Whack A Mole" but with guns! Haha
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  #12  
Old 06-18-2011, 08:39 AM
FireRanger FireRanger is offline
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Default Re: help! overheating

or.... both.
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How to: Aux light wiring, relays, & fuses
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  #13  
Old 06-18-2011, 09:15 AM
ben10 ben10 is offline
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Default Re: help! overheating

Yeah im really hoping for the fan clutch, I don't have the money for a water pump right now so if I can make it a month ill be good.
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99 extended cab, 4.0, auto, 33s, 4x4 lifted with some stuff done

98 2wd 2.5, 5 speed, dropped with some stuff done
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  #14  
Old 06-18-2011, 09:23 AM
03RangerFX4 03RangerFX4 is offline
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Default Re: help! overheating

Water pump job shouldn't be too hard on a ranger, just make sure you have a good clean gasket surface prior to installing the new water pump if you have to replace it. Good luck and keep us updated.
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Old 06-18-2011, 09:24 AM
FireRanger FireRanger is offline
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Default Re: help! overheating

People have had great results with the flex fans as well. There is no clutch so its always turning full power, and the blade pitch flattens out as RPM increases to reduce drag. And they move a ton more air. No wiring needed either obviously.
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How to: Aux light wiring, relays, & fuses
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