Having problems with your 2006 Chevrolet Impala ?

It keeps running hot - 2006 Chevrolet Impala

Posted / edited by AnonymousUser on : 20-11-2017

Answers :

When the car is completely cool,check the electric fan(s) for smooth rotation.
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\015\012Clean/check/change the thermo sensor,contact and wire.
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\015\012Excavate air pocket in coolant system / check for head gasket leak
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\015\012This test will kill two birds with one stone.
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\015\012MAKE SURE THE COOLANT SYSTEM and ENGINE IS COLD!
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\015\012RAN THIS TEST IN A WELL VENTILATED AREA ONLY!
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\015\012You will spill some coolant during this air pocket purge test.......BE\015\012KIND TO THE ENVIRONMENT and ANIMAL please clean up after the test!
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\015\012Put the front end on a pair of ramp or park your car on a VERY STEEP HILL (radiator facing top of the hill) .
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\015\012Top of the coolant reserve tank
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\015\012Let it ran for 10-15 minutes.
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\015\012Monitor for air pockets escaping from coolant reserve tank.
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\015\012Small amount of bubbles is OK at 1-5 minute mark
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\015\012After the thermostat open up (after 195 F warm up) at
\015\0125-12 minute mark or after high idle you should see less bubbles.
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\015\012If you do not see any in rush of bubbles then your thermostat may be\015\012partially stuck or rusted badly inside the thermostat hosing.
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\015\012Give the thermostat host few gentle taps.
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\015\012If you see larger bubbles surfacing after 15 minutes then should do a\015\012hydrocarbon (HC) dye test to test for potential head gasket leak.
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\015\012Let engine cold down and top off coolant reserve tank.
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\015\012Start monitor for coolant lost
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\015\012A coolant flush is require every 2 years or 24,000 miles.
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\015\012I recommend the thermostat that has a relief pop-let to reduce the change of burst radiator and coolant hoses.
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\015\012Make sure you get a new thermostat gasket,black RTV and fresh coolant for the job.
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\015\012Please post more information by clicking the comment link on the top right corner.
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\015\012DON'T FORGET to RATE ME if my tip is helpful to you!
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Check the coolant level. If coolant drops frequently check for leaks especially on the hoses, radiator and on the water pump. Check if the fan is working by pulling the plug of the temperature sensor on the lower radiator hose. It should run while it is unplugged. Check as well the radiator cap for corrosion. A bad radiator cap would mean steam would escape the system.
Repair Help & Product Troubleshooting for 2006 Chevrolet Impala

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