Question about 2001 Chevrolet Malibu

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Hi, I have a 00' malibu ls with an overheating problem. I have changed the thernostat, water pump, resvoir coolant tank and the radiator and still overheats. I was told if I clean the EGR it will probably help. Is this true?

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Well, the EGR valve does lower the temprature of the burn, in the combustion chamber, but it cannot resolve the overheating...
Did you pressure test the cooling system? and Did you have the heater on HIGH heat, when filling? Did you use the correct mixture of coolant and antifreeze?
and what is the indication of overheat? Boiling out coolant, or gauge reading? coolant boiling out is certainly an indication, did you also pressure test the cap?

When pressure testing, does it take tons of pumping, indicating air in the system?

Posted on Sep 16, 2010

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No EGR is for emnisions only, nothing to do with cooling system, have you check radiator fan motor, also did you bleed the air out of the cooling system, will have two bleeder valve's, one on thermostat housing, and one on the other end of the engine on top on a metel pipe, will have 7 or 8mm bolt on top of bleeder valve.

Posted on Sep 16, 2010

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IF V6 LOWER INTAKE GASKET LEAKS COOLANT / CAN LEAK INTERNAL AND OR EXTERANALLY / ALSO MAKE SURE ALL AIR IS OUT OF SYSTEM / CHECK COOLANT FAN OPERATION / AND PRESSURE CAP

Posted on Dec 28, 2010

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Posted on Jan 02, 2017

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