Exception in rendering!

Message: window is not defined

ReferenceError: window is not defined
    at new c (/tmp/execjs20161208-55793-poylcxjs:136:3912)
    at m.mountComponent (/tmp/execjs20161208-55793-poylcxjs:47:15602)
    at /tmp/execjs20161208-55793-poylcxjs:49:31860
    at a.r.perform (/tmp/execjs20161208-55793-poylcxjs:47:12503)
    at Object.a [as renderToString] (/tmp/execjs20161208-55793-poylcxjs:49:31821)
    at r (/tmp/execjs20161208-55793-poylcxjs:50:21164)
    at Object.S.ReactOnRails.serverRenderReactComponent (/tmp/execjs20161208-55793-poylcxjs:32:6073)
    at eval (eval at <anonymous> (/tmp/execjs20161208-55793-poylcxjs:173:8), <anonymous>:10:23)
    at eval (eval at <anonymous> (/tmp/execjs20161208-55793-poylcxjs:173:8), <anonymous>:17:3)
    at /tmp/execjs20161208-55793-poylcxjs:173:8

Q: My car runs hot but it never overtheats the temperature gauge moves up and down

asked by on

My car runs hot but it never overtheats but the temperature gauge moves up and down when I'm driving in the freeway is ok but once I get off or I'm at a stop light the temperature gauge strats to move move up and down

My car has 125000 miles.
My car has an automatic transmission.

A: This is could be a classic symptom of a coo...

This is could be a classic symptom of a cooling fan not operating. When your car is moving, air is passing over through the radiator allowing it to dissipate heat. When you car is at a stop, there isn't any air flow passing through the radiator while stopped. That is where the cooling fan comes in. The symptom you describe with the temperature gauge could indicate other problems though.

If the temperature gauge is fluctuating while driving, this indicates there is a low coolant condition or the thermostat has problems. On a car with 125,000 miles, I would definitely suggest a new thermostat. But before you put one in, you should take a look at a few things first.

Check the coolant level cold. If the coolant is low, you need to find the source of the coolant leak. The 3.8l has a few common coolant leak failures.

The drive belt tensioner has coolant passages in it that feed the heater core. The pipes that come out of the tensioner are sealed with rubber o-rings.

The water pump bypass pipe is usually plastic. There are after market elbows that are metal.

Of course there are the usual suspects such as hoses and the radiator, but you will need to pressurize the system to find the source of the leak.

If you need some help with pinpointing the issue, consider enlisting a certified who can find find the coolant leak as necessary and diagnose the several other components I've mentioned above.

Good luck, and remember to change the thermostat even if you find a coolant leak.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Save up to 30%

Get a quote

What others are asking

Q: Car overheating

All the noise and rattling comes from the engine overheating. You should have your cooling system pressure tested to see if the radiator is leaking or if you have a leaking hose. Once the cooling system is fixed then the...

Q: Traction control light flashes when taking off slow. Also, grinding noise when pulling off fast or going up an incline or driveway

The traction control in the vehicle uses the brakes to control the wheel spin. If you are getting a light coming on and a noise during acceleration, your vehicle may be having an internal transmission problem with the 1st and...

Q: The car has full power but does not crank over

Have a technician inspect the starter signal wire voltage while attempting to start the vehicle. If the starter is receiving the signal, has power and is properly fastened to the vehicle, it should start. The technician can jump the starter...

Related articles

How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.