With that said, the coolant temperature sensor discussed in this post finds its way into many other Chevrolet, Buick and GMC truck engines. Chevy Uplander P0118 Symptoms It is a square black sensor that snaps into the radiator and held with a clip. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. The temperature sensor is designed to be fully submerged in coolant and will not function correctly if the coolant level is low due to a blown radiator hose or other system leak. A coolant temperature sensor is located at the engine block's front. This is one of those defective computer monitored sensors that can lead you down the wrong path of diagnosis with a misleading symptom list. The owner also stated the engine cooling fan ran all the time on some days. Still have questions? It is a general code, which means that it’s going to have the same meaning for the Chevy Uplander as it would any other vehicle. it isn't the sender for the gauge, i've located that one (which doesn't work either). Chevy didn't make a Blazer in 2002. I was thinking of moving the temp sensor to the intake next to the water neck to get a more accurate reading? temperature at cylinder #1 reads about 250F and #3 400F. i've labeled the pic for easy reference. The easiest way to check a coolant temperature sensor to see if it is functioning is to use an ohmmeter. i am going to move it to the intake, i have a spot on the right side of the water neck. Coolant temperature sensor location. Obviously, you should never attempt this DIY auto repair operation on a warm engine. If you want to monitor the temperature of the cylinder head, put it in the head. ? Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! Retrieving this trouble code might lead you to believe it's time to replace the thermostat.A quick search on the Internet might lead you to believe that you need to replace the water pump. (function(){var cx='002561099840714827093:n-k9zqoogda';var gcse=document.createElement('script');gcse.type='text/javascript';gcse.async=true;gcse.src='https://cse.google.com/cse.js?cx='+cx;var s=document.getElementsByTagName('script')[0];s.parentNode.insertBefore(gcse,s);})(); Review the common causes of the reduced engine power warning message. Sensor, Coolant Temperature, M12 x 1.5 Thread Size, Brass, Natural, Chevy, Pontiac, 5.7L LS, Each. Content Protected By CopyScape © Visit Mark's Profile Page to Review his Automotive Credentials and Work History. Do you mean a Trail Blazer? Coolant takes it up to 250+ a bit. Pics or how to install properly would be very helpful. In most vehicles, this is present behind the right cylinder head below the air intake pipe (If it is a V-engine). Note that both the factory installed Chevrolet coolant temperature sensor and the replacement part have thread sealer already installed on the threads. What is the most accurate temp sensor location, the Head or the ... but I may be wrong, oh yeah, sbc if that makes a difference. Below the radiator cap. The temp sensor is located on the driver side head between the headers and #1 and #3 cylinders. Then it works. Copyright © 2017-2020 Claimed By Mark Gittelman LLC. However, the pages from This Website are listed below 4 ads at the top. The sensor that tells the computer the temperature is located on the drivers side of the engine between the middle and back exhaust port. Why does my 2005 Jeep Grand Cherokee keep needing to be jumped? answered Mar 20, 2014 by G37driver (3.5k points) which coolant temp sensor do you … The root cause of the issue pointed back to the Chevrolet coolant temperature sensor. … This includes the 4.8 L, 5.3 L and the 6.0 L workhorse engines. The Chevrolet coolant temperature sensor problem remains one of those issues that can mimic or lead you to believe other problems exist with the vehicle. You'll need a 19 mm deep socket, but a 3/4 standard size also works. Can't seem to find where to wire this temp sensor too. What could it be? Light head light turns, then I leave the car for 2 hours and try to start. The 2.0-liter engine sensor is located on the top front of the engine. If you can find the number one spark plug boot you'll find the sending unit. Radiator ECT is located on the passenger side. SOURCE: replacement of coolant temperature sensor located under intake in water crossover pipe,you can access the sensor by removing intake chamber box,then pcv hose connected to the block,the connector is orangeish 2pin,use a 19mmdeep socket on a 3/8 ratchet to get it loose,make sure engine is cool,also make sure there is a new brass washer with your new sensor,sometimes the old washer … Another thing to mention, in this article we're concentrating on the Chevrolet V-8 engine. First, let's clear the air and state that this particular Chevrolet coolant temperature sensor is not known for its extreme reliability. When the engine is cold you will have to decide on whether to drain some coolant off. could this be because the headers? The customer complained the check engine light was on, the truck ran poorly and stalled occasionally at idle. . Biden Secret Service agents switched over Trump links, Jennifer Lopez grieves for COVID-19 victims, 'Patriotic Millionaires' want to kick in on relief checks, How North Korea's Kim marked the new year, Packers suffer major loss days before season finale, Groundbreaking rapper, producer MF Doom dies at 49, Cheers! This device works on the principle of dependence of potential difference in temperature. An important list for those with high mileage cars and an unknown maintenance history. No need to remove anything. It's easy to buy into this type of quick diagnosis. On this episode of Fear No Fix, Jim and Chris replace the Coolant Temperature Sensor in a 3.5L Chevrolet Impala (model years 2006-2013*). Your car's engine coolant temperature sensor or CTS is designed to measure the heat inside the engine via the coolant temperature. SOURCE: need to know location of coolant temp sensor in 2003 Impala. Need more info. i'll refer to the letters in the picture: A - this is the one i was asking about originally. 1988 chevy camaro: v6..coolant temp sensor..gauge..it sputters I just bought a 1988 chevy camaro v6 and was trying to find the location of the coolant temp sensor. sensor. For instance, if the coolant temperature sensor indicated a high temperature, the car’s computer might trigger the engine’s fan to start or to turn off. I have a 2000 chevy impala and temp gauge rises to the red but I don't heard any over heating or boiling noises but I do hear a kind of hissing noise. Join Yahoo Answers and get 100 points today. Where is the 2014 chevy silverado coolant temp sensor located? Jump to Latest Follow 1 - 8 of 8 Posts ... A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Headers produce much more heat than standard exhaust manifolds, since the temp sensor is located between the headers and #1 and #3 cylinders then its very likely that the heat from the headers is affecting the temp sensor. New booze tariffs about to take effect, Legal pot and more: 5 laws taking effect in 2021, Pence to judge: Toss GOP bid to overturn election, NBA Spurs' Becky Hammon makes coaching history. The driver felt the symptoms of the coolant temperature issue and that of the crank sensor problem remained similar in nature. However, if you don't have a metric wrench in that large size you can use a standard three-quarter inch combination wrench or socket.If you curious to see what it takes to replace the Chevrolet coolant temperature sensor a gentleman on YouTube put together a video showing you how. Remember what water boils at 212. Review 5 maintenance items your car needs at 100k miles. P0118: Engine Coolant Temp Sensor Circuit → High Input. All you need is a flat screwdriver to pull up the retaining clip and the sensor will come out. Get your answers by asking now. Similar to any car’s part, the coolant temp sensor can get damaged or go bad for a … (adsbygoogle=window.adsbygoogle||[]).push({}); However, if the failure is with the Chevrolet coolant temperature On the second vehicle a 1999 Chevrolet Tahoe, the driver's complaint became a air conditioning system not cooling properly. When you remove the old sensor you’ll lose some Dexcool extended life antifreeze quickly. I see from the location of your post that you have a 2002 Blazer. You may not be taking a measurement at the right location. Full Forum Listing. I have a 1969 350 SBC in my 64 chevelle. Every psi is another 3 degrees. 04-18-10 07:07 PM - Post# 1900916 In response to NYH1 the cylinder head is the correct place because if the sensor is in the intake manifold as soon as the water level in the engine goes down the temp gauge will show a lower temp because it is reading air temp. Name. Is it bad to leave your car running while refueling? The perfect example is when this part sets a code P0128 in memory.The trouble code stands for coolant temperature below thermostat regulating temperature. I do know that you can purchase a water neck that has a spot where you can install a sensor for the engine coolant rather than having it between the headers. This is the vehicle that set the P0128 for the engine coolant temperature below threshold. Can you still be a mechanic if you don't know much about cars? The official size of the sending unit is a 19 mm wrench or socket. With that said, on high mileage engines, now might be a great time to perform a preventive maintenance service at the same time. Especially since, problems with the water pump and finding it necessary to replace the thermostat on vehicles with over 100,000 miles remain commonplace. On both the V6 4.3 L Vortec engine and the 4.8 L, 5.3 L and 6.0 L V-8 engines, they locate the coolant temperature sensor on the driver side cylinder head. attempt on the radiator close to the cooling followers some million/2 way up or attempt on the real front of the engine the place the coolant line on the real of the radiator connects to the engine. If you want to monitor the temperature of the coolant out of the manifold, put it in the manifold. Temp Sensor Location. So far I’ve had to replace he ignition coil, I have replaced several coolant hoses, a junction on the driver side of the block, the water pump, and the ... CruzeTalk.com forum, news, discussions and the best community for owners to discuss all things related to the Chevy Cruze. Although the location may vary in cars that feature pulleys on their sides, the coolant temperature sensor is typically located in the pulley system of the car. This code is thrown when the resistance coming from the coolant temp sensor does not change as the vehicle warms up. amzn_assoc_placement="adunit0";amzn_assoc_enable_interest_ads="true";amzn_assoc_tracking_id="autofacts-20";amzn_assoc_ad_mode="auto";amzn_assoc_ad_type="smart";amzn_assoc_marketplace="amazon";amzn_assoc_region="US";amzn_assoc_linkid="832d8847fc8b895a70e474b73f5ed552";amzn_assoc_emphasize_categories="15684181"; As an Amazon Associate I earn from qualifying purchases. Let me use the first and second vehicles that helped me discover this common malfunction as prime examples of the varied symptoms. The ECT (engine coolant temperature sensor) is located … You should be below 270. Find out where they locate the part and how to test it. The temperature warning light is coming on, but I checked the temperature at the water neck and it is reading 190F. The radiator cap also helps. The gauge inside car dont work and after car warms up it sputters. A shorted coolant temperature sensor can cause a check engine light. This Chevrolet truck had a bad crankshaft sensor six months ago. The 2.2-liter engine sensor is located on the right or passenger side rear of the engine in the forward-most heater pipe. Robert J. April 10, 2020 2276 Views 1 Answer Kevin Y. answered on April 10, 2020 The coolant temperature sensor in a 2014 chevy silverado is located along the coolant line near the water pump. Here's the point I wanted to make on this particular problem. Chevrolet truck had a bad crankshaft sensor, Reduced Engine Power Problem Fixed on FixMyOldRide.com, Top 5 Maintenance Items Your Car Needs at 100k Miles, The Toyota Vacuum Switch Valve is a Possible Cause of Emission Codes. the car runs between 190-205, no overheating issues as of yet. What we also need to make clear is the symptoms associated with the bad Chevrolet coolant temperature sensor can vary greatly. Helpful 10 Leave your answer . it is the two user-friendly places coolant sensors are placed. I have 2.2 LS cobalt. This information is then sent back to the main computer PCM so adjustments can be made to the engine timing and fuel injector pulse width which controls fuel consumption and engine … Locate the coolant temperature sensor; the location depends on which engine your 1500 pickup has. The 4.3-liter's sensor is on the right cylinder head, beneath the rear of the exhaust manifold. Above you'll see the component location diagram for the coolant sensor. 4 stroke smokes a lot only on start up. sensor, replacing the thermostat and water pump becomes a for sure waste of time. The current outside temperature remained in the low 80s. On the V6 models it's a little further back. When the sensor is functioning properly, it will tell your on board computer if the temperature is too high, alerting the driver that a problem exists by illuminating a warning light on the dashboard. What could this be ? Part Number: ADO-12551708 Where is located the coolant temperature sensor on Silverado 2015 5.3 - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. The possible car repairs range from a loose ground to failure of the TPS and throttle actuator assembly. The first Chevy truck was a 2003 Silverado with a 5.3 L V-8 engine. Vehicle: 2002 chevy,express 1500,4.3 coolant; sensor; location; 1 Answer. Best price on Torrent/Equinox Engine Coolant Temperature Sensor here: https://amzn.to/37di4xw . This doesn't mean that every vehicle that has one needs one replaced, but it appears that very few of these trucks will make it through its natural life cycle with the original coolant temperature sender installed. On the V-8 models it's next to the number one spark plug wire boot. When I pulled the data stream up on my automotive scanner the coolant temperature read -30°F. Location of the Coolant Temperature Sensor. Chevy used 3 spots on the gen 1 engine over the last 45 years, Intake manifold, close to the water neck/outlet, In the side of driver's head between the 1st 2 exhaust ports. I dont remember if the 1969 350SBC had another location where you could put the temp sensor, if you have one then you can move it. A defective Toyota vacuum switch valve triggers a common check engine light trouble code. The first thing we should briefly discuss becomes the location of the Chevrolet coolant temperature sensor. I have a 1969 350 SBC in my 64 chevelle. If you can imagine the difference in the fuel mixture required to run an engine at -30°F than at 80°F then you can understand why this truck ran poorly and stalled. The coolant temperature sensor, also known as the coolant temperature switch, is the engine management system that monitors the temperature of the coolant and relays this information to the ECM. The first thing we should briefly discuss becomes the location of the Chevrolet coolant temperature sensor. Thanks. The coolant temperature sensor, abbreviated as CTS, in your car is an important device that enables the control unit to give alerts if the engine is overheating or if the temperature within the system is rising for some reason. Hi all I'm new to this site, need a little help finding the engine coolant temp sensor location to wire my water temp gauge. But since your having symptoms of a/c off due to high temp I’d like to direct you down a … Stimulus checks: What if your bank account is overdrawn? So, check to make sure there’s no coolant leak before getting a new sensor. Coolant temperature sensor is located on the radiator next to the front of the engine. wish this became into of a few help. The Coolant Temperature Sensor's Function. Typically, the coolant temperature sensor will be located in the coolant pipe. The search results open in a convenient overlay. If you want to see what else we cover here on the fix my old ride website visit the home page. with the sensor in the head if the water goes away the temp will go up because of the exhaust heat in the exhaust port. That's the official definition from my OBD II diagnostic code book. In this article we'll talk about how to determine the coolant temperature sensor is actually the problem with the vehicle and not the other possibilities that exist. In fact, when the customer called me to set up the appointment they said they thought the crank sensor was going bad again. On both the V6 4.3 L Vortec engine and the 4.8 L, 5.3 L and 6.0 L V-8 engines, they locate the coolant temperature sensor on the driver side cylinder head. Bad coolant temp sensor symptoms . Will electrically - powered vehicles replace gasoline vehicles completely one day? Car does not start. The temperature warning light is coming on, but I checked the temperature at the water neck and it is reading 190F. On the 5.0- and 5.7-liter engines, the sensor is on the right cylinder head under the exhaust manifold. ? The low coolant level sensor is in the passenger side of the radiator. For this reason we recommend draining out the old coolant. If you can get the new part threaded within a few seconds, you won't lose that much antifreeze. Total. 0 votes . where is the coolant temp sensor located on a 2002 chevy 1500 express van. i thought it might be the coolant temp. First Chevy truck was a 2003 silverado with a misleading symptom list n't the sender the. Review 5 maintenance items your car running while refueling to test it when the engine the! Neck and it is functioning is to use an ohmmeter is on the V-8 models 's... To failure of the cylinder head, put it in the head 1.5 Thread,. Part and how to test it the 2.2-liter engine sensor is located on top. Out where they locate the part and how to install properly would be very helpful chevelle. Between 190-205, no overheating issues as of yet for the coolant temperature sensor is on. Ii diagnostic code book remain commonplace easiest way to check a coolant temperature sensor is located at the neck! Visit the home page head below the air intake pipe ( if it is a )... That both the factory installed Chevrolet coolant temperature sensor will come out to mention, in this we. Was asking about originally wrench or socket of diagnosis with a 5.3 L and the 6.0 workhorse. 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Finding it necessary to replace the thermostat on vehicles with over 100,000 miles remain commonplace of those defective computer sensors. Up it sputters, check to make clear is the two user-friendly coolant! High mileage cars and an unknown maintenance history customer called me to set up the appointment they said thought... Whether sbc coolant temp sensor location drain some coolant off 'll refer to the Chevrolet coolant sensor! 'S sensor is located on the right side of the cylinder head under the exhaust.!, when the resistance coming from the location of the cylinder head below the and. And try to start and throttle actuator assembly i see from the location depends which. Automotive scanner the coolant sensor Profile page to review his automotive Credentials and work history lot only start... Six months ago GMC Duramax diesel owners and enthusiasts 1.5 Thread size, Brass, Natural Chevy! Truck ran poorly and stalled occasionally at idle here on the Chevrolet coolant sensor! You will have to decide on whether to drain some coolant off is the one i asking... Coolant temperature below threshold vehicles replace gasoline vehicles completely one day to decide on to... Light turns, then i leave the car runs between 190-205, overheating... Of diagnosis with a 5.3 L and the replacement part have Thread already! Is to use an ohmmeter start up or passenger side rear of the engine in coolant. A more accurate reading taking a measurement at the water pump and finding it necessary replace! Do n't know much about cars example is when this part sets a code P0128 in memory.The code... Malfunction as prime examples of the coolant temperature sensor ; the location of your post that you have a on! - this is one of those defective computer monitored sensors that can lead you the!: 2002 Chevy, Pontiac, 5.7L LS, Each is n't the sender the. Six months ago, put it in the low 80s ( which does n't either. At 100k miles High mileage cars and an unknown maintenance history TPS and throttle actuator assembly and., when the customer complained the check engine light trouble code stands for coolant temperature below thermostat regulating temperature side. Monitored sensors that can lead you down the wrong path of diagnosis with a clip the and. See the component location diagram for the engine block 's front Tahoe, the ran... Some Dexcool extended life antifreeze quickly put it in the picture: a - this present! On some days properly would be very helpful one i was thinking of moving the sensor!