Question about 2004 Chevrolet Impala

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2004 impala coolant level

The car seems to be runnign hot.
1. What temp shoudl it normally run at and
2. Shoudl the plastic coolant container be full?

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  • trumpeto Aug 09, 2008

    Hi - thansk so much. The temp guage has been in the middle but seems to fluctuate quite a bit. The overflow container is bone dry, so I'll fill it with soem coolant (50 /50 water)

  • Aplysia Aug 15, 2008

    Hi, I filled up the overflow reservoir with coolant, radiator is full too, but still have low coolant level massage.
    Thanks


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My 2004 3.4 liter impala had this problem.I found out the Rad. overflow tank was leaking Rad fluid out of the overflow nozel on the tank.I pluged the overflow nozel and added a hole in the tank cap.filled the tank to the proper level and bleed the air out of the Rad.(plug on rigid tube of engine, pull plug til fluid comes to top while running)never had another problem over heating again.

Posted on Aug 15, 2008

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The coolant container (called the overflow reservoir) will be marked as to what constitutes MIN and MAX levels that should be in it. If it's low, add coolant.

As for what temperature it should run at, the gauge on the dash is just a general indication, but usually it runs close to the middle of the gauge's range.

Posted on Aug 08, 2008

  • Jeremy Dellow
    Jeremy Dellow Aug 09, 2008

    That fillup should take care of you nicely. Use whatever coolant is called out in your owner's manual (some of the newer GM cars call for DexCool, and others are OK with the typical green stuff). Top off the overflow up to the marking that says FULL and you'll be set.

    The sad part of the coolant temp gauge is that it really is only functional to the point that, if you see it at the bottom, the car's cold, and if it's at the top, you're screwed. Anywhere in the middle 50% of the gauge is fine - it's not capable of reading more accurately than that.


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