Question about 2006 Chevrolet Impala

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2006 Chevrolet Impala cooling fan - 2006 Chevrolet Impala

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  • Patrick  Bogan
    Patrick Bogan May 11, 2010

    Whats the problem with the cooling fan?

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  • Chevrolet Master
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Firefighterf: not knowing exactly what engine of the three you could have in your car: 3.5, 3.9 and 5.3, I could only study up on technical service bulletins and recall some of the cars i have had in my shop with cooling system problems.
GM used "DEXCOOL" antifreeze which had a problem that caused corrosion and reeked havoc with the cooling systems on many of the vehicles they used it in. There was a service bulletin out on this matter to address a procedure in flushing the systems. There were quite a few cars which needed radiators, water pumps and heater cores replaced from the corrosive damage done by the DEXCOOL.
Check your car and make sure that you have not got a situation pending where the cooling system is fixing to leave you stranded or burn your engine up.
The V-8's didn't really have any problems with cooling systems which were mentioned in service bulletins other than that one.
The 3.9 liter had a problem with head gaskets leaking coolant. The leaks would appear to be coming from the top end(s) of the cylinder head(s), leaving small deposits of coolant on the ground after sitting. A new gasket design came out to resolve the problem.
The 3.5 had a problem with head gaskets as well and additionally a problem with leaking "crossover " pipe gaskets.
Add this to the issue with the corrosion problem of the DEXCOOL and you have a serious situation. Keep in mind, that often people open the radiators or cooling system recovery tanks when they might still have some pressure in them. Coolant spills or sprays around the immediate area, including near the "FAN GROUND LEADS". If you end up with poor grounds, you will develop problems with any electrical components which rely on those ground circuits. NOW! Here is some more food for thought that few techs have ever told customers. A coolant temperature sensor is designed to be immersed in coolant or water. The heat transferred from the water or coolant to the temp sensor, causes the sensor to change resistance values which in turn, will make relays go on an off, give input to the ecm for it to use as part of the data needed to control pulse width of the injectors, and guages indicate the temperature. One phenomenon that occurs when the coolant level drops to where it no longer has the coolant sensor immersed, is that the sensor will no longer read correctly. You temperature guage in you dash may indicate the engine is at normal operating temperature and the engine may be in thermal nuclear melt down!
Steam in the cooling system will not have the same effect make the sensor register hot!
I hope that I may have given you some direction in which to look.
My not knowing the particulars, I tried to cover as many bases as I could other than dealing with relays, fuses and wiring. I would need the specifics on YOUR car to be able to better assist you.

Posted on Apr 08, 2009

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Hi I have a 2006 Chevy Impala ls 3.5 liter engine 78,000 miles on it i just had the cooling system serviced. It had a power drain and fill cleaner and sealer new thermostat and new water pump put in. The car was doing fine two days later i notice when im driving the temp gauge moves off the halfline to the next line above it the needle stays there the fans come on and stays on the whole time when im driving until i turn the car off. Anyone have any clue why the car is doing that? my e-mail is dcleveland2785@yahoo.com

Posted on Feb 16, 2010

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SOURCE: 2005 Chevrolet Impala, Fans not

you need to replace the the fan motor if eletrical. if electrical it could be a sending unit or switch.

If its a mechanical fan one that runs off the engine it needs to replaced.

Posted on Dec 31, 2008

  • 124 Answers

SOURCE: Problem with 2006 Chevrolet Impala --Windshield washer fluid

Sounds like the fuse blew out again. Look at the wiring that goes to the washer fluid pump and check for any place where it might have rubbed against something causing it to short out. Fix this 'short' before you replace the fuse again or you will continue to have problems.

Posted on Nov 05, 2009

  • 1 Answer

SOURCE: i need a serpentine belt assembly guide or diagram for a 2006 3.5 liter v6 chevrolet impala

Diagram 9-5 on this page:
http://www.daycoproducts.com/daycoweb.nsf/Serp%20Rout%20Guide%20Illus.pdf

Posted on Nov 14, 2009

  • 28 Answers

SOURCE: how do you replace the door handle on a 2006 chevrolet impala

Depends which door handle you are removing, Outside or inside. Both requires removal of the inner door trim panel.

Posted on Nov 30, 2009

6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
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Posted on Jan 02, 2017

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