Question about 1998 GMC Sierra

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Temp gauage goes up to hot then back down While driving why ???

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Your fluid level is to low or your thermostat is not working properly

Posted on Jan 03, 2011

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Because your thermostat opens to let cold water in engine and then closes

Posted on Jan 03, 2011

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1 Answer

My 05 chevy temp gauage don't work


remove the wire at the SENDER unit and have some one watch the gauge as you put that wire to the engine ( ground)
if the gauge goes to full hot, the replace the SENDER unit

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1994 vw golf 1.9 overheating


First question is what constitutes "overheating".
Since the car has been parked for years, the thermostat could be sticking closed.
The cooling system could have air pockets and need to be bled.
The water pump may be corroded inside and not pumping enough volume.
If the gauge goes above half way, the fans should start up. But half way should be more or less normal, not hot yet.
I would look at flow problems first, beginning with removing the thermostat and driving it without one for a few days. Also check and see if there is a process to bleed the cooling system of air.

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1 Answer

Temp gage reds hot for a second and returns to


I would check the wiring to the temp sensor. Make sure that it's connected properly. If so, and it's still giving you that problem, I would replace the sensor. (That's of course assuming you can't live with it's eccentricity/quirk.)

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Chrsler sebring 2004 engine 2.7 the antifreeze has been leaking out on ground after driving car. also while driving...


ok one of the hose clamps is not tight enough when it warms up it expands and when it cools then it leaks so tighten all hose clamps when its warm and then again when its cooled and prob, aught to go away

Aug 15, 2009 | Chrysler Sebring Cars & Trucks

1 Answer

Temp gauge goes up to hot then back down, up and down...


That is very possible.Your radiator could also be plugged,You water pump could be could be giving out or the head gaskets are bad..Those are all worse case scenario's But yes the thermostat could be the problem..I'd start with that then make sure your clutch is working properly..Hope this helps you and have a great day

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1 Answer

Temperture gage not working


If you unplug temp sending unit and turn ignition on check guage. It should read all the way hot or cold. If so then replace temp sending unit.

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