Question about 2001 Chevrolet Silverado

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2001 Silverado 5.3 running hot. Replaced engine, radiator, thermostat, water pump, hoses and still runs hot. I am out of ideas?

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Try replacing coolant temp sensor. May be giving a false reading.

Posted on Oct 03, 2019

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I agree with the other answer mostly. I was wondering about the engine replacement. Did the engine fail from overheating? Does it have a fan shroud and how does the heater work? Does it lose any water? What exactly tells you that it is over heating? And definitely check if your fan(s) is coming on.

Posted on Oct 03, 2019

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Instrument cluster ,it's not really running hot . Did you use an LCD Infrared Thermometer, Laser Sighting: Dual, -58° to 1472° Temp. Range to see actual temp of the engine , hook up a scan tool that can view coolant temp sensor data . What does it show engine temp is , does the PCM - engine computer energize the cooling fan ? Your best bet , take it to a qualified repair shop .

Posted on Oct 03, 2019

  • Jeff Armer
    Jeff Armer Oct 03, 2019

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6 Suggested Answers

6ya6ya

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Posted on Jan 02, 2017

Anonymous

  • 1 Answer

SOURCE: car runs hot

CHECK YOUR RELAY IN YOUR FUSE BOX UNDER THE HOOD ON THE DRIVERS SIDE INNER FENDER. THE A/C AND THE HEATER RELAY ARE SAME. CHECK AND SEE IF THE A/C REALY WORKS BY TURNING ON YOUR A/C SWITCH. THE ELECTRIC FAN SHOULD START RIGHT AWAY. OTHERWISE YOU HAVE TO WAIT TILL THE ENGINE ACHEIVES OPERATING TEMP TO KICK THE FAN ON. IF ONE DON'T WORK AND OTHER OTHER DOES... SWITCH THE RELAY AND SEE IF IT WORKS. BEEN THERE AND DONE THAT. $9.00 FOR A NEW RELAY AT CHECKER AUTO PARTS.

Posted on Feb 14, 2009

Anonymous

  • 2 Answers

SOURCE: HOW DO YOU PURGE OR RELEASE AIR ONCE YOU REPLACE RADIATOR, WATER PUMP AND THERMOSTAT?

Let the engine cooldown,then open the bleed screw on on the thermostat house,do not remove just loosen----fill water in the radiator bottle slowly and watch for water coming out of the bleed screw----
sometimes the bleed screw is blocked due to anti-freeze-then take the screw off completely ,clean and replace----always make sure the engine is cool

Posted on Jun 15, 2009

grimm_army

  • 43 Answers

SOURCE: 1997 cadillac eldorado running hot

Sometimes a vacuume leak can cause overheating problems too.

Posted on Jun 19, 2009

carl

  • 3640 Answers

SOURCE: 2001 Chevy Malibu - have changed out thermostat

check to make sure fans are working for radiator. if not check coolant tempurature sensor, fuses, and relay. is all air out of coolant system!

Posted on Jul 07, 2010

postings909

Oscar Gonzo

  • 130 Answers

SOURCE: replaced water pump, thermostat, radiator, top and

HAVE YOU CHECK YOUR FAN?????? THE OPERATION OF THE CLUCH OR ELECTRIC FAN PROPER OPERATION????

Posted on Aug 04, 2010

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