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Discussion Starter · #1 ·
Hi, I have a 1991 Escort GT. It has 74,000 miles on it, and the body is in mint condition. The engine seems pretty good, but I'm sure that for $1000.00 there will be things. So far the only replacements have been wheel bearings and the exhaust, so it's a good find, but now the check coolant light is coming on. It seems pretty random. I haven't been able to notice a pattern of when or why, and it doesnt seem to coorespond with anything I or the car is doing. It will come on for 1 or 2 seconds, and then go off, and it wont come back on again for several days. There is plenty of coolant in the radiator, and in the overflow resevoir. The temperature of the engine is fine, and the cooling system seems to work fine (it gets 1/2 way on the heat guage, and then cools down with the fan & coolant). The heater pumps out great heat, and I don't see any puddles or leaks. There is a slight hum from the engine compartment that I think is an alternator bearing going bad, but I'm not positive. The only other thing wrong that I've noticed is that occasionally (not always) I get a burning smell through the fresh air vents. Any ideas?
 

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Last year I was getting a bad smell from the vents every so often.
I had to have my fuel lines replaced because they were getting to
hot. My mechanic told me if I drove it anymore like that, my car
could of blow up on me. He also said they had weak or thin lines
or something like that when they came out. I havent had any more
smell since. He said something could have gotten on them also
to make them hot while driving. Maybe you should have
your car looked at if you can by a reliable mechanic. :)
 

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Discussion Starter · #3 ·
I had to replace fuel lines on an old 87 Sundance because of a similar problem. The main issue wasn't them being bad, but when replaces, heat shields weren't used. The solution was buying cheap lengths of fuel hosing, cutting & replacing to fit, and covering them with heat shields that cost almost nothing. I'll take a look at the lines for any warping, melting, cracking, etc. and get back to you. This could also explain the faint smell of fuel every so often.
 

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My GT sounds like it has the exact same problem. I actually took apart my resivoir tank and cleaned the electrode (it had a ton of gunk on it) and then put it all back together and I still had that same problem. As far as I know, the check coolant light is trigger by and only by that sensor in the overflow tank, but I know that I have plenty of coolant to immerse the electrode sensor thing in the overflow tank, so I too am miffed as to why it randomly comes on like yours.

I not only cleaned out the resivoir, but I also completely flushed the radiator when I did all this, and I still have the same problem with the check coolant light. Arg.

As for the burning smell, do you usually get that smell when you push the car hard (full throttle, high rpms) or even just at normal use?
 

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well if you want to be sure check the temp guage. if that is working in the proper range then I would ingore the check coolant light. it is a fairly simple thing. I'm not sure how much a replacement sensor would cost.
 
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