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Solution to Overheating 1995 Mustang Cobra?
I have checked AND changed almost everything...
Changed the Thermostat, flushed radiator & refilled with 50/50, replaced water pump, replaced radiator fan motor, check gauge, replaced sensor, replaced radiator cap, ensured no blockage in grill, and ensured no head gasket leak (No water in oil, no oil in water).
Any suggestions? (Will update as more things pop into mind)
Big detail bump....
I have burped/bled the system when I refilled the radiator.
The new thermostat I installed was a 180 instead of the stock 192 in an effort to lower the temp.
The gauge IS showing the correct temp, it went past the "L" in normal to the redline and literally boiled a large amount out... (What caused all this work to be done)
The front Grill is perfect aside from paint nicks, no aftermarket addons.
It tends to overheat at most occasions, I took it for a ride after the last work done to it, through 4-5 stoplights (5-10 minutes) then down a highway about 3 miles and back, through the stoplights again. On the highway it tended to keep towards the "R" in normal, but once I slowed down it quickly shot up.
5 Answers
- Two Smoking GunsLv 61 decade agoFavorite Answer
Have a radiator shop check the flow through of the radiator.
Even if you flush it there could be crap that has plugged the tubes and it is flowing less than spec.
Source(s): BTDT - paul hLv 71 decade ago
Does it overheat all the time or under certain circumstances? Do the fans kick on at around 200 degrees or with a/c turned on? Was the T/stat the correct temp rating? Check for any air pockets in the system...some systems need to be "burped" or bled. You could try a product called WaterWetter which lowers cooling system temps by 20 degrees or so....racers and RV owners use it....parts stores sell it or buy online. The Grille may be OK but is the lower air dam under the bumper OK...a broken or missing one can cause problems by not forcing air through the rad.
- Josh SLv 71 decade ago
Be sure that the fan is turning the right way. May want to pull the rad and have it roded or replaced. Also had you had any work performed before this happened? If so see if it may be related. IS it actually getting hot or is the gauge showing it. Install a manual gauge and get a real Temp reading, the gauge or sensor may be bad.
Source(s): Ford Tech 17 yrs ASE Master Tech - kelly_f_1999Lv 71 decade ago
have radiator clean by a radiator shop better than what you can buy and do your self which is not much better than just a water hose really waste of money an dif you have doen compression test dirty radiator only thing left you cant flushing it out stuff you buy not great if its plugged only gets loose stuff might also check timing if its high wil run hot
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- ls1birdLv 41 decade ago
i would hook up a mechanical gauge and see what that tells you. faulty guage? maybe a simple air pocket in the block?
it seems like you tried every option and theres nothing more i can think of.
