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Overheating Problem

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adamshumard

Overheating Problem
« on: August 29, 2007, 03:04:23 PM »
So the electric cooling fan on my 94 efi tracker quit. i replaced the fan and now it wont kick on. no matter how hot it gets. So i went ahead and hard wired the fan. Now with the fan running all the time the truck still overheats at an idle. When i take it down the highway though it does ok. coolant level is fine. But i cannot figure out why its overheating in town/at an idle. Its funny that so many issues would come up with the cooling all at once. Anyone have any idea what may be the cause?
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Offline jeff1997

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Re: Overheating Problem
« Reply #1 on: August 29, 2007, 03:05:30 PM »
Water pump
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adamshumard

Re: Overheating Problem
« Reply #2 on: August 29, 2007, 03:11:21 PM »
If it was the water pump why would it cool goin down the highway? and by cool, i mean it runs at normal operating temp, not even a little high.
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Offline bentparts

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Re: Overheating Problem
« Reply #3 on: August 29, 2007, 03:50:57 PM »
 A number of things can cause overheating, plugged radiator or coolant lines, weak water pump, non funtioning water pump, ( look for coolant coming out of the weep hole on the upper side of the pump) incorrect timing ( too far off advanced or retarded especially, can cause overheating.) You mentioned having an electric fan, that's not a stock item. I'm believe Trackicks came with a clutch operated fan, driven off the water pump pully. Check the simple things first, belt tension to the water pump being one.  A non-functioning fan will cause overheating in slow going, but at highway speeds there's enough air moving through the radiator to not need a fan. I replaced my clutch fan with a switchable electric fan so I could turn it off during deep water crossings. I don't even use it ( the fan) on the highway, and it's off most of the time in town as well.  Start by checking your timing. Specs are located on a tag under the hood, or in the FSM.
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Offline daddyizzle

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Re: Overheating Problem
« Reply #4 on: August 29, 2007, 04:40:20 PM »
Quote from: adamshumard on August 29, 2007, 03:04:23 PM
So the electric cooling fan on my 94 efi tracker quit. i replaced the fan and now it wont kick on. no matter how hot it gets. So i went ahead and hard wired the fan. Now with the fan running all the time the truck still overheats at an idle. When i take it down the highway though it does ok. coolant level is fine. But i cannot figure out why its overheating in town/at an idle. Its funny that so many issues would come up with the cooling all at once. Anyone have any idea what may be the cause?

Is it truly overheating or is the gauge telling you it's overheating? You might have a bad thermal sensor that reads the coolant temp and relays it to your temperature gauge. It's a possibility anyways.

-Adam
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adamshumard

Re: Overheating Problem
« Reply #5 on: August 29, 2007, 05:36:36 PM »
Goal!!! So i got it fixed. had to tighten the belt on the water pump. turns out it was slippin. thanks guys.

adam
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Offline bentparts

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Re: Overheating Problem
« Reply #6 on: August 30, 2007, 04:10:12 AM »
Yeah, it's usually the simple stuff.
Quote from: adamshumard on August 29, 2007, 05:36:36 PM
Goal!!! So i got it fixed. had to tighten the belt on the water pump. turns out it was slippin. thanks guys.

adam
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The usual stuff, and 2nd generation Air to liquid intercooled TURBOCHARGER
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Offline jeff1997

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Re: Overheating Problem
« Reply #7 on: August 30, 2007, 01:44:05 PM »
Quote from: adamshumard on August 29, 2007, 05:36:36 PM
Goal!!! So i got it fixed. had to tighten the belt on the water pump. turns out it was slippin. thanks guys.

adam
Glad you got it fixed. I replaced EVERYTHING on the cooling system, including the head gasket, earlier this year. Turned out to be a bad waterpump. The worst part was the new one I bought and installed first was bad too, thus I just kept replacing stuff!!
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1997 4dr. Sidekick Sport 1.8L DOHC
2" coil spacers- I make and sell 1.5" and 2" on e-bay.  Look under seller: hoepkers
3" Masterkit1 body lift
Custom strut spacers
31/11.50/16 Super Swamper LTB's w/1.5" wheel spacers Steel bumpers Custom cold air intake 2" exhaust w/cherry bomb 98 Expedition, 2" lift, 35's, Magnaflow exhaust - BIG BLUE
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