Cars running hotter than usual

deftsound · Oct 9, 2006

Well i started noticing lately that my car is running about 10 degrees hotter than it usually does. USually it stays around 195 or so, lately its been getting up to 210 or higher and i know its not the temperature outside because its been getting cooler. I just changed out my radiator fluid a few months ago and the resevoir is full.

could my thermostat be sticking? What could be the problem..

oh and i replaced my water pump a few months ago as well and im getting my temp readings from an aftermarket gauge so i know its accurate

fastangboi · Oct 9, 2006

one time i did a project and forgot to re-plug in my fan harness. maybe check if your harness is loose or your relay is going out.

stangGT97 · Oct 9, 2006

did you burp the cooling system after installing the WP? you may have some air pockets in there instead of 100% coolant

deftsound · Oct 10, 2006

well i installed the new water pump months ago and it just started running hot recently. I can hear the fan running so i dont think its that but i will check. Where is the relay?

Stang|ess · Oct 10, 2006

Throw in more water, or water wetter and be happy .

Did you used to use the AC and since the weather started getting colder, yu stopped?

Is this at cruising speeds, traffic, what?

deftsound · Oct 10, 2006

this is at any time, i mean when i start going a steady speed it cools down to about 205 or so but when i stop it goes back up to 210+,

you have to understnad for the year ive owned it its never gone above 200

also its got plenty of coolant in the reservoir

fastangboi · Oct 10, 2006

Only thing i can think of is maybe the thermostat is giving you trouble or that new water pump. I know its new but sometimes new stuff will fail in like a month to six months.

deftsound · Oct 11, 2006

the98stang · Oct 11, 2006

deftsound said:
bump

Replace the therm. and put water wetter in the coolant.

You can also use a tuner to run the fans more often...that would definetely cool her down.

If that stuff doesnt help, your water pump could be taking a sh1t.

And I doubt its a head gasket problem cause your car would be blowing white smoke all over the place by now lol.

I bet its the thermastat.

the98stang · Oct 11, 2006

OO and burp the system too. put the car on a hill/driveway, open the cap, and let it run for a few minutes. Every once and a while rev the engine. Those little air pockets can make a HUGE difference.

deftsound · Oct 11, 2006

im thinking the thermostat must be sticking a little or something bu till try burpin it

DerekStangGT · Oct 11, 2006

do you have a water temp guage? pics? install?

the98stang · Oct 11, 2006

deftsound said:
im thinking the thermostat must be sticking a little or something bu till try burpin it

Derek brings up a good point...if you installed your water gauge sender at the therm. housing your gauge might be slightly off. Some people installed the sender at the top/side of the therm versus towards the bottom, and their gauges weren't reading accuratetly. Unless of course you installed your sender on the drivers side plug on the block....then your gauge should be accurate.

deftsound · Oct 11, 2006

no i installed it on the drivers side of the block down at the bottom, not at the thermo housing

heres pics incased your interested

deftsound · Oct 11, 2006

except normally it is around 190-195 and now its running over 200

deftsound · Oct 13, 2006

stangGT97 · Oct 13, 2006

deftsound, what have you tried so far? Is the thermostat stock? Did you burp the coolant system? I just can't believe the water pump is dying already, the stock one is good for at least 80k miles... what brand are you using?

98blownroush · Oct 13, 2006

I've had some recent cooling troubles myself, and found that even though the cooling fan was plugged in, the plug itself had cracked causing one of the three connections to make / not make. You may get it up to temp and wiggle the wires just to rule this one out.

MBDiagMan · Oct 14, 2006

Just because the reservoir is at the right level, you still very well could have a low coolant level. With the car DEAD COLD, remove the radiator cap, not the reservoir cap and see if the radiator is full. If not start the cold engine with the radiator cap off and fill up with your coolant mixture then put the cap back on. Run it a day and then pull the radiator cap again when it is DEAD COLD and repeat the process if necessary.

Since reservoirs and warnings on radiator caps, it is all too common to see cars with low coolants and the owners say that they are not supposed to remove the radiator cap because of the warning label on the cap.

the98stang · Oct 14, 2006

MBDiagMan said:
Just because the reservoir is at the right level, you still very well could have a low coolant level. With the car DEAD COLD, remove the radiator cap, not the reservoir cap and see if the radiator is full. If not start the cold engine with the radiator cap off and fill up with your coolant mixture then put the cap back on. Run it a day and then pull the radiator cap again when it is DEAD COLD and repeat the process if necessary.

Since reservoirs and warnings on radiator caps, it is all too common to see cars with low coolants and the owners say that they are not supposed to remove the radiator cap because of the warning label on the cap.

You can remove the cap with a warm engine lol. Just have to use a rag and let the pressure out slowly. However I wouldn't recommend this to anyone lol. I'm just really impatient so I do it the "dangerous" way.

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