96 v6 Cooling problems. - Mustang Evolution

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Old 06-15-2007, 12:37 AM   #1
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96 v6 Cooling problems.

Here's the deal.

I have a 1996 v6 3.8 and when I first bought the car the temp gauge was always at the factory 195. Lately is has been rising to about 3/4 but not redlining. I do not feel comfortable with the temps it is reaching.

I have replaced the thermostat and the 2 gaskets(though there was no leakage) and have checked the fan which is working.

Basically I need help figuring out what it is that may be causing my temp to rise to un comfortable levels.
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Old 06-15-2007, 08:05 AM   #2
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Re: 96 v6 Cooling problems.

Are you using the stock gauge or an aftermarket to determine the temp? The factory gauge is not very good and my first step would be to test it with another more accurate gauge like from autometer.

If you are using a good temp gauge then check your coolant and look for signs of a head gasket leak.
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Old 06-15-2007, 10:12 AM   #3
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Re: 96 v6 Cooling problems.

Yes, My Gauges are stock. And I flushed the radiator and refilled it with 50/50. I suppose I will check for head gasket leaks and get back to you if problems persist.

Thanks
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Old 06-15-2007, 12:47 PM   #4
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Re: 96 v6 Cooling problems.

Check the fluid level you may have air in your system if you did the drain/fill recently and especially if just after this the issue started to happen.
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Old 06-15-2007, 05:21 PM   #5
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Re: 96 v6 Cooling problems.

I did not see any apparent leaks around the head. just a minor leak on the oil pan gasket.

I checked the coolant levels and they are fine as well.

I checked under hood and dash fuses, they do not appear to be burned popped or melted.

I am out of ideas. I checked the water pump by squeezing the upper radiator hose and i felt the fluids rush. So it doesnt make sense to be the water pump.

The upper hose is hot so i can tell that the fluid is circulating.
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Old 06-15-2007, 08:17 PM   #6
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Re: 96 v6 Cooling problems.

Get a compression guage and do a leak down test on it.
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Old 06-15-2007, 09:48 PM   #7
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Re: 96 v6 Cooling problems.

Flush your whole motor a few times with a specialized cleaner.

Scaling buildup is all I could think of at this point(considering what you have checked)
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Old 06-16-2007, 11:06 AM   #8
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Re: 96 v6 Cooling problems.

Get a real gauge and test it first it could just be the stock POS gauge... you never know.
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Old 06-16-2007, 04:15 PM   #9
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Re: 96 v6 Cooling problems.

Well, I usually run with the heater on, if I dont the temp meter will stay around 3/4. When the heater is on it will be somewhat normal but still fluctuate in lower temperatures.

If it wouldnt be too much trouble, could someone send a link to a good gauge?
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Old 06-17-2007, 11:00 AM   #10
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Re: 96 v6 Cooling problems.

Autometer has a good gauge but i would have for you to spend a ton on something you will only use couple of times.
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Old 06-17-2007, 01:04 PM   #11
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Re: 96 v6 Cooling problems.

X2
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Old 06-17-2007, 08:36 PM   #12
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Re: 96 v6 Cooling problems.


105-2355 Autogage Water Temperature Gauge 100-280 F
1-1/2" electrical
Black face/white accents
More Details
$32.99

Auto Meter Autogage Gauges - JEGS
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Old 06-19-2007, 05:30 PM   #13
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Re: 96 v6 Cooling problems.

Hey,
I am becoming very frustrated. I replaced my thermostat and my radiator and I am still having some issues with my cooling.

Any input?
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Old 06-19-2007, 06:23 PM   #14
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Re: 96 v6 Cooling problems.

I spoke with a mechanic. He says that most likely I need my heads machined because they are warped if infact the temp gauge is correct.

I have yet to try a new gauge, but definitely will do that soon.

I despise me luck with vehicles.
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Old 06-30-2007, 09:36 PM   #15
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Re: 96 v6 Cooling problems.

Would the heads being warped make sense in this case?
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Old 07-01-2007, 03:05 PM   #16
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Re: 96 v6 Cooling problems.

I would think with warped heads you would have coolant in your oil or else spewing smoke out of your exhaust that smells semi sweet.
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Old 07-01-2007, 03:12 PM   #17
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Re: 96 v6 Cooling problems.

Or you have a blown headgasket.
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Old 07-02-2007, 10:29 AM   #18
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Re: 96 v6 Cooling problems.

Hmm, there is no smoke at all, if i saw smoke i would have known head gasket or rings. I am very annoyed since i just got this car to get away from the honda . I had tons of problems with that car.

Anyways, how can i find out if there is coolant leaking into my oil?
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Old 07-06-2007, 07:50 PM   #19
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Re: 96 v6 Cooling problems.

Well, I drained my coolant again, and replaced with straight up water, it is running alot cooler and there is little if any fluctuation showing on the gauge.
I guess I had a bad mixture of coolant. And since the engine got so hot, im sure i have other problems now...
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