My 2015 GMC Sierra 1500’s radiator fan is running full blast non-stop. It started doing this all of a sudden, runs full blast idling, going down the road, and for 5ish mins after the truck is turned off. I have coolant and the radiator doesn’t have any visible exterior gunk on it. My engine temp gauge either isn’t reading, or the fan is ...Could be the thermostat is stuck or the ECTS is not working. The ECM is not reading any valid temperature. The fan keep running after switching off is a safety measure when the ECM cannot read the temperature it will keep the fan blowing for 10 to 15 mins after you switch off to make sure the car is not in a situation where it can cause …golf2beach said: From Section 8 page 2 of the 2014 Acadia Users Manual: (Air Conditioning): Press to turn the air conditioning system on or off. An indicator light comes on when A/C is on. The air conditioning. system does not operate when the outside temperature is below 4°C (40°F). The indicator light flashes three times and turns off …Anybody figure it out. My 2014 GMC Acadia Just started do the same exact thing!! Temp gauge drops to straight down, Fan blowing full and loud, A/C still Blows but Not cold and the recirculation button flashes. Kind of odd that it is the 2014's that have started doing this. Another way for GMC to make up spend money.The fact that the fans are always on could be caused by a missing ECT value. If the PCM is not able to determine the coolant temperature, it will activate the fans at all time to make sure the engine will not overheat. Ask Your Own Chevy Question. Chevy Mechanic: [email protected] have a 2014 Chev Silverado 1500 LTZ Z71 w/ 5.3L engine, w/ 140K miles on it. ... by swapping it with my work truck MAF; nothing changed. - Checked ECM relay - Checked J-Case fuses for cooling fan 1 & 2 ... decided to “risk” it and drive it anyway with the fans running wide open. Once I got a few miles down the road, the temp gauge …5. If a normal temperature can ge reached, the new engine coolant thermostat appears to be leaking and defective. Ask Your Own Chevy Question. When the fans are on the gauge doesn't move from the bottom. But when the fans stop the gauge temp records a normal temp of about 240. Chevy Mechanic: jim.2006 chevy silverado 5.3l cooling fans do not come on until 226. Sometimes the fans will come on by them selfs even when the truck is completly off. If i pull the cooling fan relay 1 they will shut of … read more2014 Silverado Radiator Fans Blow at Max Speed and No AC. A few weeks ago I noticed my truck was pretty loud at idle. I start my truck and the radiator fans start out normal but …8540 posts · Joined 2015. #4 · Nov 17, 2023. Anyway, other's have reported replacing the thermostat has solved the problem, I would look at the wiring and connector to the coolant sensor first. 2004 Sierra 3500 dually, 6.0L extended cab, cab&chassis flatbed, upgraded to 4wd. 2012 Silverado 3500 dually, 6.0l, crew cab, long box replaced w flatbed.The first step is to find and replace any faulty parts, such as the thermostat or cooling fan. If these parts are malfunctioning, it can be difficult to accurately measure the temperature of the automobile’s engine. Once any faulty parts have been replaced, it is important to test the performance of the temperature gauge in order to make sure ...If your laptop fans are running louder or more frequently than usual, this could be a sign that your laptop is running too hot and needs better air flow, or it could mean that your...May 4, 2023 · 3. Bad ECU Unit. Your Chevy’s engine control unit signals the fan when to turn off or keep running. A defective ECU will result in the fan not knowing when to stop running. 4. Low Coolant Level. The car coolant is the liquid that removes heat from the radiator. The lower the coolant level, the less effective it’ll be. Temp Gauge Not Working Properly. My 2004 Silverado's temp gauge is working. But not correctly. Almost like its dirty on circuit board. Will go all the way to right when started and will not go back to resting position when truck is off. Probably the stepper motor going out. Do a search very common issue with the clusters.Possible Causes for Temperature Gauge Not Working; Temperature Gauge Not Working and Fan Running Problem 1: Faulty Temperature Sensor; Problem 2: Blown Fuse; Problem 3: Cooling Fan Relay Failure; Problem 4: Broken Thermostat; Problem 5: Low Coolant Level; Temperature Gauge Not Moving; Car Temperature Gauge Stays on Cold and AC Not WorkingMy 2015 GMC Sierra 1500’s radiator fan is running full blast non-stop. It started doing this all of a sudden, runs full blast idling, going down the road, and for 5ish mins after the truck is turned off. I have coolant and the radiator doesn’t have any visible exterior gunk on it. My engine temp gauge either isn’t reading, or the fan is ...When I start the car the temp gauge immediately (or within ~20 sec) is up at the mid-range, where it's suppose to be, and the engine cooling fans come on high speed. The fans continue running at high speed for the entire time I'm driving, regardless of the condition (highway 70 mph, city 30-45, or community 25 mph). When I shut the car off …One of those may be broken and contacting body somewhere and allowing the fans to be stuck on. If you're wiggling harnesses/wires and other electrical functions are "working" or "not working" there must be some underlying issues. My Build Log: silentbravo's 2001 GMC Sierra 2500HD. 2003 GMC Sierra RCLB. My YouTube Channel.20450 posts · Joined 2014. #2 · Dec 12, 2016. Most common repair is to remove the gauge bezel and then remove the gauge cluster. Clean the contacts on both sides of the plug, the strips in male plug and the strips in the female opening. Use the search function on this forum for more information on cleaning the contacts.Went through your problem 2 weeks ago. Engine never got above 170. AC does not work and cooling fan for the engine was on high. Found out the thermostat is stuck open. So i called the dealer and got OEM parts ( thermostat and temp sensor). I replaced the temp sensor with the thermostat since its RIGHT next to each other.Yep, fan doesn't run when car is turned off now and temp gauge is working again. Yeah you better get that checked may have a bad sensor or a wiring issue to the computer. Ok then it wont be easier to eliminate items, the most common seem to be fuel tank pressure sensor and oil sender then everything else is single digits repairs.2008 chevy silverado 1500 4X4 this morning display came on engine hot shut a/c down temp gauge stays on 160 and does not - Answered by a verified Chevy Mechanic ... 2009 silverado, Temp gauge at 160, Fan on at all times. ... The fan switch for the AC/Heat does not work at all. I have replaced the Fan Motor and still no AC/Heat.bk2life. 2112 posts · Joined 2020. #9 · Sep 1, 2023. general rule of thumb: over heat while sitting == not enough fan. over heat while driveing = = not enough radiator. at 200k miles, i bet your rad is plugged. or bad water pump. thats really the only 2 things that can make it run warm on the highwaqy above 45 mph.Nov 11, 2023 · 2008 chevy silverado 1500 4X4 this morning display came on engine hot shut a/c down temp gauge stays on 160 and does not move. both cooling fans running. anti freeze is at correct level and motor is n … read more While driving, usually in the morning, my temp gauge will drop to 0 and the AC will stop working. I have been able to fix it by pulling the negative battery cable and reset the ECU, everything works as it should immediately.2008 chevy silverado 1500 4X4 this morning display came on engine hot shut a/c down temp gauge stays on 160 and does not - Answered by a verified Chevy Mechanic ... 2009 silverado, Temp gauge at 160, Fan on at all times. ... The fan switch for the AC/Heat does not work at all. I have replaced the Fan Motor and still no AC/Heat.2014 Chevy Silverado 4.3 v6 . Everyday driving home from work about an hour . Fans turn on high , temp gauge is normal not overheating but when pressing the accelerator rpms rev up before hitting seco … read moreMar 30, 2020 ... Comments161 · 2014 Silverado fans running high , no ac , no temperature, gauge not working · 2015 Cadillac Escalade P0128 fans stay running when ...Apr 21, 2019 ... To keep long story short I had same issue. I replaced thermostat and coolant temperature sensor with Advance auto parts products to fix the ...When it malfunctions, it goes into over-cooling mode and shows the following symptoms: Dash temp gauge stays bottomed out at 160 deg. Cooling fans run 100% while engine running. Colling fans run 75%-ish for exactly 5 minutes after stopping engine. AC disabled. No check engine light, but code P0128 is logged.Apr 21, 2019 ... To keep long story short I had same issue. I replaced thermostat and coolant temperature sensor with Advance auto parts products to fix the ...The most common reason for a coolant temperature gauge not working is a problem with the coolant temperature sensor. Signs of a bad sensor include black smoke in the exhaust, a car...Apr 14, 2019 · I have a 2009 4.3 L . My Temp gauge went flat. I have replaced the thermostat (twice), replace temp sensor (also took the new one out and tested it w my meter), replaced temp sensor connector, changed coolant fluid, reset ECM, twice, removed negative from battery (many times), each time I reset w/ battery and ECM, the gauge would work normal for 40-50 miles then go flat again with "Engine HOT ... 20450 posts · Joined 2014. #2 · Dec 12, 2016. Most common repair is to remove the gauge bezel and then remove the gauge cluster. Clean the contacts on both sides of the plug, the strips in male plug and the strips in the female opening. Use the search function on this forum for more information on cleaning the contacts.If I were to do it again I would use a 1/4" short 10mm socket on a wobble extension. Other than that it was pretty easy. I am 73 now and work slower than I used to and it took me about 45 minutes. You will lose about a 1/2 quart of coolant even if you pinch off the hose like he does in the video.A pressure gauge allows a fluid to enter from the item or equipment being measured and reacts by moving a calibrated rod inside it. The pressure can be correctly read when the rod ...Once you connect the fan to battery power, your fan should start running. If the fan doesn't work with direct battery power, examine the terminal that plugs to the radiator fan connector. Look for corrosion and damage. Then test for incoming voltage at the terminal with your digital multimeter (DMM).I have a 2013 Chevy Malibu 2.5 Lt. recently after an oiled change, the fan is running at full speed as soon as I start the car and a message appears on the dash the reads something like ac is turned of to avoid engine overheat. The fans stay in at full speed for a bout 2 mins s after I turn off the car. Also the temperature gauge stays stuck on ...The most common reason for a coolant temperature gauge not working is a problem with the coolant temperature sensor. Signs of a bad sensor include black smoke in the exhaust, a car...1,469 Views | 3 Replies | Last: 1 yr ago by rebelag62 rebelag62. You must be a subscriber to .The first thing you should check is your fan relay. A defective fan relay may be the culprit. The role of the fan relay is to function as a switch that activates or …2014 silverado has engine fans running after truck turned off, I've replaced thermostat and temp sensor and fans still running and temp gauge is not moving past 160 ... I'm working on a 2002 venture van. My temp gauge only works when I reset the cel, ...4. Climate control panel not working. With time, especially when your truck hits the 100K mileage, certain issues often start to creep in. One of them is a faulty climate control panel. The first sign that your climate control panel is not working is when there are no lights on the knobs or controls. If this is the case, check the fuse box first.After 60 seconds , if the coolant temperature drops below 101°C (214°F) the fans will shut OFF. The fans will automatically shut OFF after 3 min. regardless of coolant temperature. •Engine coolant temperature exceeds approximately 104.25°C (220°F) . •A/C refrigerant pressure exceeds approximately 1824 kPa (265 psi) . My 2014 Silverado had no reading on temp gauge, fan running high and continuing to run after turned off. Took it to car wash/oil change place, told them the problem. Guy said he had that before. He took off one battery cable, waited 5 minutes (to give it plenty of time to re-set) and re-attached. Problem solved...at least for now. As soon as I moved it temp gauge shot up to the last white mark before your red. Moved far enough to get coolant. Open the tank coolant returns and fills back up just one notch low. Topped it off. Attempt to drive home. Not happening. According to scan gauge temp got up to 262 degrees never hotter. Not moving coolant. Fan. Isnt the issue.While driving, usually in the morning, my temp gauge will drop to 0 and the AC will stop working. I have been able to fix it by pulling the negative battery cable and reset the ECU, everything works as it should immediately.If you are a DIY enthusiast or a professional in the field of automotive repairs, having the right tools at your disposal is essential. One such tool that can greatly aid in your w...#1 · Jan 15, 2020. I have a 2014 Silverado Z-71. One day I noticed the cooling fans staying on longer after engine shut off, thought nothing of it. Then one day the check engine light …In this video we’ll be changing the coolant temperature sensor on my 2014 Chevrolet Silverado 5.3 V8 Lt.. this problem of it reading 160 as I’m on the highwa...Mar 5, 2023 · 2015 GMC Sierra 5.3. The other day I noticed my radiator fans constantly running at full blast and staying on for 5 minutes after shutdown - saw that the coolant temp gauge was pegged low. I replaced the coolant temp sensor and the problem is still there. Looking at the live data on my OBDII scanner, I can see that the coolant temp is reporting ... I have a 2014 Chevy Silverado 1500 5.3l that I am having a issue with the cooling fans running on high occasionally. When this happens my temp gauge will read …Reconnect the wiring connector. Make sure all the coolant plugs are secure. Add coolant and place the cap back on the reservoir. Lower your car. Start the engine. Wait to see if the temperature ...Nov 16, 2022 · 2014 Silverado Fan Issue. 1,469 Views | 3 Replies | Last: 1 yr ago by rebelag62. rebelag62. You must be a subscriber to . ... I have a 2015 Silverado 4.3. My temp gauge stops working and my fans stay on high. I’ve replaced my temp sensor and it is still doing it. If I unplug the battery and reconnect everything will work just fine for a few days, and then stops working again.One of those may be broken and contacting body somewhere and allowing the fans to be stuck on. If you're wiggling harnesses/wires and other electrical functions are "working" or "not working" there must be some underlying issues. My Build Log: silentbravo's 2001 GMC Sierra 2500HD. 2003 GMC Sierra RCLB. My YouTube Channel.Noticed the temp gage wasn't working. Pulled over to check and found cooling fans running on high. also noticed when I drove back home the AFM not working. Cooling fans would not shut off when engine was shut off. You tubed and seemed temp sensor may be culprit. Replaced temp sensor but did not fix problem. also removed …Tempe, Arizona is one of the one of the best places to live in the U.S. in 2022 because of its economic opportunity and natural beauty. Becoming a homeowner is closer than you thin...Wiring. The first thing that you would want to do is locate the fuse for your Silverado’s radiator fan and make sure that it hasn’t blown. If it is blown, replacing the fuse will only solve the problem for a very limited period of time. Unless the wiring issue is fixed, the fuse will blow again.2015 Sierra 1500 5.3 Cooling fans not running/fan relay. Hi, I am having some issues with my cooling fans. I have a 2015 Sierra 1500, 5.3 WT. I cannot get the cooling fans to turn on. The truck will overheat before they kick on. I tried to force them on through hp tuners scanner and nothing. Both fan fuses are fine and I do not have any …Noticed the temp gage wasn't working. Pulled over to check and found cooling fans running on high. also noticed when I drove back home the AFM not working. Cooling fans would not shut off when engine was shut off. You tubed and seemed temp sensor may be culprit. Replaced temp sensor but did not fix problem. also removed …If you've replaced the coolant temperature sensor in your 2016 Chevy Silverado 1500 5.3 and your fans are still running at high speed, it's the new coolant temperature sensor is either defective or not correctly installed, which would prevent it from sending accurate signals to the engine control unit (ECU).224. 61K views 4 years ago. This video covers the part that needs to be replaced when your GM vehicle marks no engine temperature on the dashboard. Other …The fan on the Dell GX620 computer is designed to pull the heat away from the central processing unit (CPU) to keep the processor cooled down so it can work properly. If the fan we...Possible reasons for lost coolant; bad raditor cap, bad radiator/heater hoses/clamps, leaking overflow reservoir, bad intake gaskets, bad head gasket, improper coolant mixture. Your vehicle overheats. Your low coolant light comes on. Your temperature gauges reads higher or lower than normal. Your heater does not work.If you've replaced the coolant temperature sensor in your 2016 Chevy Silverado 1500 5.3 and your fans are still running at high speed, it's the new coolant temperature sensor is either defective or not correctly installed, which would prevent it from sending accurate signals to the engine control unit (ECU).The fans will automatically shut OFF after 3 min. regardless of coolant temperature. The PCM commands the high speed fans ON under the following conditions: 1. Engine coolant temperature exceeds approximately 104.25°C (220°F). 2. A/C refrigerant pressure exceeds approximately 1824 kPa (265 psi). 3. When certain DTCs set.The first thing you should check is your fan relay. A defective fan relay may be the culprit. The role of the fan relay is to function as a switch that activates or …Temp Gauge Not Working Properly. My 2004 Silverado's temp gauge is working. But not correctly. Almost like its dirty on circuit board. Will go all the way to right when started and will not go back to resting position when truck is off. Probably the stepper motor going out. Do a search very common issue with the clusters.Reconnect the wiring connector. Make sure all the coolant plugs are secure. Add coolant and place the cap back on the reservoir. Lower your car. Start the engine. Wait to see if the temperature ...Do the following: Step 1 - Turn your ignition switch to the off position, wait for about 10 seconds. Step 2 - Turn the ignition switch to the on position, wait for 15 seconds and start your Silverado. Your gauges should now be working fine. You might also need to check the fuses and change any that are faulty.Feb 26, 2018 · I have a 2014 Silverado 5.3L and my coolant temp gauge stops working on my gauge panel and my radiator fan runs wide open. I replaced the coolant temp sensor with an Autozone part on Dec.16. The problem was fixed (I thought). If the temperature gauge in a 2014 Silverado isn’t working and the fans are on high, it could be due to a faulty temperature sensor, a malfunctioning thermostat, or issues with the …If your laptop fans are running louder or more frequently than usual, this could be a sign that your laptop is running too hot and needs better air flow, or it could mean that your...1,469 Views | 3 Replies | Last: 1 yr ago by rebelag62 rebelag62. You must be a subscriber to .2014 and newer chevy silverado 5.3L. The radiator fan stays on when the engine is off. Fan runs faster than normal and run when engine is cold. Replace the t...My 2014 Silverado had no reading on temp gauge, fan running high and continuing to run after turned off. Took it to car wash/oil change place, told them the problem. Guy said he had that before. He took off one battery cable, waited 5 minutes (to give it plenty of time to re-set) and re-attached. Problem solved...at least for now.No A/C. Radiator Fan stays on. No A/C. 400. Asked by almazanmike Apr 30, 2020 at 07:41 PM about the 2016 Chevrolet Silverado 1500 LT 4WD. Question type: Maintenance & Repair. Ok. Looked everywhere and can't find anything about this. My radiator fans are all out off whack (simply put).The gas gauge is a part of the instrument cluster. When the instrument cluster is having issues, then every other gauge is likely not to work. It is also possible that the gauges will function haphazardly, working sometimes and failing at other times. If you notice this, then you need to run an instrument cluster test to be completely sure.350 posts · Joined 2016. #15 · May 30, 2018. GM, Mazda, and others use a dummy with a wide range, 40-60 degrees, as a single temp. It's either cold, normal, or overheated. Oil temp is also calculated in certain ranges on Camaros as there's a big difference between that and aftermarket after adding a big cooler.Could be the thermostat is stuck or the ECTS is not working. The ECM is not reading any valid temperature. The fan keep running after switching off is a safety measure when the ECM cannot read the temperature it will keep the fan blowing for 10 to 15 mins after you switch off to make sure the car is not in a situation where it can cause …Jan 13, 2020 · I have a 2013 Chevy Malibu 2.5 Lt. recently after an oiled change, the fan is running at full speed as soon as I start the car and a message appears on the dash the reads something like ac is turned of to avoid engine overheat. The fans stay in at full speed for a bout 2 mins s after I turn off the car. Also the temperature gauge stays stuck on ... Assuming you have a 2017 XT5 as indicated by the title of this thread, the usual problem is with the cooling system and the resolution is usually replacing the thermostat. If you are under the original Cadillac Powertrain Warranty, the cost could be covered by Cadillac. That warranty is 6 year, 70,000 miles. If your car was first titled after ... ADMIN MOD. 2014 Silverado Radiator Fans Blow at Max Speed and No AC. A few weeks ago I noticed my truck was pretty loud at idle. I start my truck and the radiator fans start out normal but ramp up pretty fast. Sounds like they are blowing as hard as they can no matter what temp the engine actually is. My dash temp gauge has worked the entire ... As soon as I moved it temp gauge shot up to the last white mark before your red. Moved far enough to get coolant. Open the tank coolant returns and fills back up just one notch low. Topped it off. Attempt to drive home. Not happening. According to scan gauge temp got up to 262 degrees never hotter. Not moving coolant. Fan. Isnt the issue.2014 Silverado fans running high , no ac , no temperature, gauge not working - YouTube. JG Innovation Garage LLC. 781 subscribers. Subscribed. 957. 89K views 1 year ago. How to fix... My 2014 Silverado had no reading on temp gauge, fan running high and continuing to run after turned off. Took it to car wash/oil change place, told them the problem. Guy said he had that before. He took off one battery cable, waited 5 minutes (to give it plenty of time to re-set) and re-attached. Problem solved...at least for now. The gas gauge is a part of the instrument cluster. When the instrument cluster is having issues, then every other gauge is likely not to work. It is also possible that the gauges will function haphazardly, working sometimes and failing at other times. If you notice this, then you need to run an instrument cluster test to be completely sure.
No cold air trough the AC. Temp gauge needle bottom cold. Scanner results: -DTC P0128. -Engine coolant temperature while driving172.5 - 179.6 f. Parts ordered: - Engine Coolant Thermostat and Housing Assembly (12678784). - Engine Coolant Outlet O-Ring - GM (12649985) Tools needed:. La suprema bakery marietta
Have a helper in the cab watch the gauge. If it does not then check to see if you have any blown fuses. 12 volts comes into the temp gauge and goes thru it to the sensor. The sensors resistance determines where the gauge should read depending on temp. 2002 Silverado LS Ext cab long bed 5.3L 4x4 Z71. Lerch98 and RayVoy.A bad temperature sending unit (the second most common reason) A problem in the temperature gauge's electrical circuit. A fault in the control circuit from the car's computer (depending on vehicle model) A bad …Nov 16, 2022 · 2014 Silverado Fan Issue. 1,469 Views | 3 Replies | Last: 1 yr ago by rebelag62. rebelag62. You must be a subscriber to . ... As a failsafe since it has no idea what the actual coolant temp is, the PCM commands both fans on high speed and keeps the A/C off to prevent extra heat from the condenser. ... 2016 temp gauge not working and fans running high speed. Jasper2307; Feb 7, 2024; Engine & Drivetrain; 2 3 4. Replies 35 Views 6K. Mar 18, 2024. Jonmurphy. …Mar 22, 2023 · No. Not in this case. The wiring caused a power surge and killed the sensor. Again, no. One post even replaced the car’s computer ($$$) and still did not solve the problem. Loose connectors. I can’t say 100% no, but my mechanic did check the sensor’s connector. Solution: This works but is not really a solution, but a work around. Temp Gauge Not Working Properly. My 2004 Silverado's temp gauge is working. But not correctly. Almost like its dirty on circuit board. Will go all the way to right when started and will not go back to resting position when truck is off. Probably the stepper motor going out. Do a search very common issue with the clusters.3. Incorrect reading on temperature gauge. Another more obvious symptom of a bad or failing sensor is an incorrect reading on the vehicle’s temperature gauge. Most vehicles will have some sort of display somewhere on the interior of the vehicle that indicates the outside temperature of the vehicle, usually read by the ambient …Good morning my name is***** have a 2018 Chevy Silverado 5.3 L temperature gauge is on 160 fans turn on and stay on I replaced the temperature sensor thermostat works properly Mechanic's Assistant: I understand that youre experiencing an issue with your 2018 Chevy Silverados temperature gauge and fans staying on, and I …Fan still running for a few minutes after truck turned off. I drove my truck today 2019 colorado v6. It was about 50 degrees (F) outside. When I got home the fan stayed on even when the key was out I also noticed the temp gauge stayed at 160 the whole drive (basically didn't move). The fan noise is coming form the front end of the truck.This video covers the part that needs to be replaced when your GM vehicle marks no engine temperature on the dashboard. Other symptoms may be the radiator fa...Jan 13, 2020 · I have a 2013 Chevy Malibu 2.5 Lt. recently after an oiled change, the fan is running at full speed as soon as I start the car and a message appears on the dash the reads something like ac is turned of to avoid engine overheat. The fans stay in at full speed for a bout 2 mins s after I turn off the car. Also the temperature gauge stays stuck on ... Sep 19, 2017 ... The ground test was genius. Simple and fast. Found out immediately it wasn't my gauge so replaced the temp sensor and connector. Problem ...4. Climate control panel not working. With time, especially when your truck hits the 100K mileage, certain issues often start to creep in. One of them is a faulty climate control panel. The first sign that your climate control panel is not working is when there are no lights on the knobs or controls. If this is the case, check the fuse box first. A bad temperature sending unit (the second most common reason) A problem in the temperature gauge's electrical circuit. A fault in the control circuit from the car's computer (depending on vehicle model) A bad temperature gauge. Any of these conditions may cause the temperature gauge to: Read low. Read high. Tempe, Arizona is one of the one of the best places to live in the U.S. in 2022 because of its economic opportunity and natural beauty. Becoming a homeowner is closer than you thin...No cold air trough the AC. Temp gauge needle bottom cold. Scanner results: -DTC P0128. -Engine coolant temperature while driving172.5 - 179.6 f. Parts ordered: - Engine Coolant Thermostat and Housing Assembly (12678784). - Engine Coolant Outlet O-Ring - GM (12649985) Tools needed:5. If a normal temperature can ge reached, the new engine coolant thermostat appears to be leaking and defective. Ask Your Own Chevy Question. When the fans are on the gauge doesn't move from the bottom. But when the fans stop the gauge temp records a normal temp of about 240. Chevy Mechanic: jim.A super gauge tool is an invaluable instrument used in various industries to measure and monitor pressure, temperature, or other critical parameters. It helps technicians and profe...2006 chevy silverado 5.3l cooling fans do not come on until 226. Sometimes the fans will come on by them selfs even when the truck is completly off. If i pull the cooling fan relay 1 they will shut of … read more.