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post #1 of 23 (permalink) Old 12-21-2003, 02:50 AM Thread Starter
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Exclamation Any1 want how2 on audible overtemp sensor

After 3 over-heats (the first fried my whole motor) on my 97 ES, I was fed-up with the lack of built-in precautions (instrumentation) by Chrysler. I built my own audible over-temp sensor which will save the engine before you are already in the red-zone. Does anyone have a costly over-heat story and might be interested in this elegant "band-aid"?

Anyone interested in pics of the install can email me. I would be happy to send em to you.

Mike
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post #2 of 23 (permalink) Old 12-21-2003, 05:38 PM
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Or, you could actually LOOK at your gauges like the rest of us. I had an overheat this summer when my water pump went. The gauge and the dummy light were more than enough to tell me that I was overheating.
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post #3 of 23 (permalink) Old 12-21-2003, 06:38 PM
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i have a base model 96 with a temp guage that werks like a charm.
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post #4 of 23 (permalink) Old 12-21-2003, 06:54 PM
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Have you replaced the radiator yet?
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post #5 of 23 (permalink) Old 12-21-2003, 11:26 PM
 
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Re: Any1 want how2 on audible overtemp sensor

Quote:
Originally posted by MurphMan
After 3 over-heats (the first fried my whole motor) on my 97 ES, I was fed-up with the lack of built-in precautions (instrumentation) by Chrysler.
Your car doesn't have a temp guage??
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post #6 of 23 (permalink) Old 12-21-2003, 11:29 PM
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Gotta check your thermostat some times.
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post #7 of 23 (permalink) Old 12-22-2003, 05:39 PM
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That's easy to say 'til it happens. I fried the 2.5L in my 89 LeBaron due to overheating. I was doing about 90 (not racing - just commuting) and the serpentine snapped. With that engine at that speed, I would have to have been looking at the guage almost when it snapped for me to notice it fast enough. I caught the guage when it was about 3/4 and climbing and shut off the engine. Coasted to a stop - too late! Got my gallon bottle of water out of the trunk and poured it over the engine real slow but it was boiling as it hit the top of the valve cover! Melted down the aluminum head between 2 & 3 and trashed the pistons so bad I could only get two of the rings off.
An audible warning at the half-way mark would have saved me $2K! Any later than that and ... :(

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post #8 of 23 (permalink) Old 12-22-2003, 06:21 PM
 
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I would agree that if you're already chugging along and a belt would to snap, it would take no time at all for the engine to overheat, whether or not you're good at looking at your gauges or not. I've had two cars near overheating before, and luckily I caught both of them by noticing either a hissng sound or steam when I came to a stop. If I would have been on the highway, I am sure there would have been some real damage. The light just really isn't enough cruising around during the daytime. Who checks their gauges THAT often?
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post #9 of 23 (permalink) Old 12-22-2003, 08:48 PM
 
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Actually I just had an overheating problem the other night in the foothills of Amador County. 3 in the morning, lots of curves... I looked down at the dash saying a four letter word like I meant it.
I was lucky, I was right by a call box, the car was towed to Stockton and I found the next morning it was leaking from a freeze plug...
Oh well, things happen.
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post #10 of 23 (permalink) Old 12-22-2003, 11:04 PM
 
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Re: Any1 want how2 on audible overtemp sensor

Quote:
Originally posted by MurphMan
After 3 over-heats (the first fried my whole motor) on my 97 ES, I was fed-up with the lack of built-in precautions (instrumentation) by Chrysler. I built my own audible over-temp sensor which will save the engine before you are already in the red-zone. Does anyone have a costly over-heat story and might be interested in this elegant "band-aid"?

Anyone interested in pics of the install can email me. I would be happy to send em to you.

Mike
It would be nice if you could post a How-to in the How-to section. Like smc1377 says, things happen fast and I usually pay alot more attention to the road than the guages. You can never have too many warnings.
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post #11 of 23 (permalink) Old 12-23-2003, 10:59 AM
 
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Give him a break. We all look at our guages. No one ever looked down and saw the temp in the red? We've all had a bad thermostat or fan that caused that. It would be great to have a bit of warning if the audible came on before the red mark was hit.
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post #12 of 23 (permalink) Old 12-23-2003, 11:31 AM
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Well, there is no way to know when the thermostat goes. Unless you put a trip sensor on the overflow tube.

This way when your antifreeze boils over and starts flowing out of the tube, it would trip a sensor, thus alarming you.

I drove over 2000 miles before finding bad thermostat. Driving fast cools our engines very well. (atleast old 3.5 cordes).

Adding more antifreeze on every stop helps. The boil over system is a book type cooling device. The hottest antifreeze goes on top and gets dumped.
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post #13 of 23 (permalink) Old 12-23-2003, 04:50 PM
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When my water pump went it was 95 degrees out and I was doing 70 mph on the freeway. And I still limped the car another 2 miles on side roads. It actually depends on the engine I believe.
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post #14 of 23 (permalink) Old 12-20-2004, 01:06 PM
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I have a 97 ES with 140k. I noticed aleak on driveway that was coolant, but it seemed to be mixed with an oil of some kind (transmission??). I had the oil changed the other day and took a peek. It looked like it was driping from some place between the transmission and motor interface. The mechanic said it may be a freeze plug located within the tranny case. Does this make sense? I have to refill my coolant bottle every so often now. Any suggestion would be much appreciated.
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post #15 of 23 (permalink) Old 12-20-2004, 03:45 PM
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My 95 Corde 3.3 overheated on the Interstate about 70 miles from Lincoln all I did was turn the heater on full blast, put the windows down and drove home. This was in middle of winter and it was still almost unbearably hot in the car.
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