Temp gauge not working
05-13-02, 12:30 AM
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Temp gauge not working
After driving for two hours at seventy miles per hour, don't you think the temp gauge should at least read in the middle? Because mine hovers just over the C.
How do I fix this, and all that. Is it a common problem?
How do I fix this, and all that. Is it a common problem?
05-13-02, 12:43 AM
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are you sure the car is running warm, try turning your heater on, does it blow hot? It could be perhaps your thermostat is malfunctioning and is stuck open, or that you don't have one at all.
05-13-02, 01:05 AM
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Pulling the thermostat out and replacing it silly.. 
It's not too bad, just drain the coolant, undo the upper radiator hose (better idea than trying to leave it on.. 'sides, you probably need new hoses anyway, never hurts to change them if they have any kind of milage on them), and remove the 2 or 3 bolts holding the upper pipe to the thermostat housing.. pluck out the old thermo, install the new one, and installation is the reverse of disassembly.
I'd suspect a bad sender though, I find it hard to believe that any car can run just above C for any period of time, even with an open thermo and the fan constantly running..
PaulC
It's not too bad, just drain the coolant, undo the upper radiator hose (better idea than trying to leave it on.. 'sides, you probably need new hoses anyway, never hurts to change them if they have any kind of milage on them), and remove the 2 or 3 bolts holding the upper pipe to the thermostat housing.. pluck out the old thermo, install the new one, and installation is the reverse of disassembly.
I'd suspect a bad sender though, I find it hard to believe that any car can run just above C for any period of time, even with an open thermo and the fan constantly running..
PaulC
05-13-02, 01:07 AM
#5
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Originally posted by JumpyRoo
Hm... No, it wasn't hot. Well, actually, it may have been. I"ll check later. But what am I in for if my thermostat doesn't function?
Hm... No, it wasn't hot. Well, actually, it may have been. I"ll check later. But what am I in for if my thermostat doesn't function?
Its easy enough to change, two 12mm bolts, a little gasket sealer, and a bit of coolant.
05-13-02, 03:08 AM
#6
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Re: Temp gauge not working
Originally posted by JumpyRoo
After driving for two hours at seventy miles per hour, don't you think the temp gauge should at least read in the middle? Because mine hovers just over the C.
After driving for two hours at seventy miles per hour, don't you think the temp gauge should at least read in the middle? Because mine hovers just over the C.
You were blasting it up to 70mph or were just kist highway cruising at 70mph?  What was ambient?  Everything sounds fine to me - the car is SUPPOSED to run this cool...
-Ted
05-13-02, 05:54 AM
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...the car is SUPPOSED to run this cool...
I had this problem on a car once (not a 7); the temp gauge struggled to get above C even after a decent drive. Replacing the thermostat resulted in the temp gauge sitting at half way (where it was supposed to be), getting there in under 5 minutes, the heater actually working, a 10% reduction in fuel consumption and a generally "nicer" running car! Best $15 I ever spent.
Last edited by NZConvertible; 05-13-02 at 06:01 AM.
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05-13-02, 06:44 AM
#8
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The reason I made that comment is...
My cars runs like that.  Mind you, I've got a "cored" thermostat, and 1/4th up reads just about 190°F on my SPI water temp gauge.  Half way, IMO, is too high - this reads 220°F on my SPI water temp gauge.
What I think is that most people cooling systems are full of gunk and corrosion.  I used to have those 1/2-way average stock temp gauge readings until I did my modified flush procedure which got rid of a LOT of crap in the cooling system.  Ever seen the flush, the stock water temp gauge reads a LOT cooler thab before...
http://fc3s-pro.com/TECH/MODS/COOL/cooling.htm
My modified cooling system flush procedure...
-Ted
My cars runs like that.  Mind you, I've got a "cored" thermostat, and 1/4th up reads just about 190°F on my SPI water temp gauge.  Half way, IMO, is too high - this reads 220°F on my SPI water temp gauge.
What I think is that most people cooling systems are full of gunk and corrosion.  I used to have those 1/2-way average stock temp gauge readings until I did my modified flush procedure which got rid of a LOT of crap in the cooling system.  Ever seen the flush, the stock water temp gauge reads a LOT cooler thab before...
http://fc3s-pro.com/TECH/MODS/COOL/cooling.htm
My modified cooling system flush procedure...
-Ted
05-13-02, 07:15 AM
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Originally posted by RETed
The reason I made that comment is...
My cars runs like that.  Mind you, I've got a "cored" thermostat, and 1/4th up reads just about 190°F on my SPI water temp gauge.  Half way, IMO, is too high - this reads 220°F on my SPI water temp gauge.
What I think is that most people cooling systems are full of gunk and corrosion.  I used to have those 1/2-way average stock temp gauge readings until I did my modified flush procedure which got rid of a LOT of crap in the cooling system.  Ever seen the flush, the stock water temp gauge reads a LOT cooler thab before...
http://fc3s-pro.com/TECH/MODS/COOL/cooling.htm
My modified cooling system flush procedure...
-Ted
The reason I made that comment is...
My cars runs like that.  Mind you, I've got a "cored" thermostat, and 1/4th up reads just about 190°F on my SPI water temp gauge.  Half way, IMO, is too high - this reads 220°F on my SPI water temp gauge.
What I think is that most people cooling systems are full of gunk and corrosion.  I used to have those 1/2-way average stock temp gauge readings until I did my modified flush procedure which got rid of a LOT of crap in the cooling system.  Ever seen the flush, the stock water temp gauge reads a LOT cooler thab before...
http://fc3s-pro.com/TECH/MODS/COOL/cooling.htm
My modified cooling system flush procedure...
-Ted
Its funny that I just mentioned the exact same procedure to someone asking about flushing the radiator...
05-13-02, 10:09 AM
#11
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Originally posted by JumpyRoo
What's to the coolant flushing, anyway? I'll pick up a new thermostat this week (how do you tell they're broken?)
What's to the coolant flushing, anyway? I'll pick up a new thermostat this week (how do you tell they're broken?)
05-13-02, 04:58 PM
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Originally posted by Felix Wankel
The ''best'' way involves removing it, but hell, for all that trouble, might as well spend $10 and get a new one.
The ''best'' way involves removing it, but hell, for all that trouble, might as well spend $10 and get a new one.
05-13-02, 05:07 PM
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Originally posted by JumpyRoo
What's to the coolant flushing, anyway?
What's to the coolant flushing, anyway?
Note running this cool would also explain the defrosting problem in your other thread.
05-13-02, 06:52 PM
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Originally posted by Felix Wankel
Did you not see the ******* quote marks? I don't do it!
Did you not see the ******* quote marks? I don't do it!
05-13-02, 07:26 PM
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Thanks, guys. So... I should *replace* the thermostat, not remove it or core it out, right? And this may wind up also fixing the defrosting problem, yes? (Thanks for checking my background.)
05-13-02, 07:52 PM
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Originally posted by JumpyRoo
Thanks, guys. So... I should *replace* the thermostat, not remove it or core it out, right?
Thanks, guys. So... I should *replace* the thermostat, not remove it or core it out, right?
And this may wind up also fixing the defrosting problem, yes?
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