A faulty thermostat (thermostat stuck closed) would restrict Coolant flow and would cause the vehicle to start overheating. Please contact our technical support line at 888-863-0426 so that we can get a little better understanding of the vehicle’s condition and be able to make any appropriate recommendations. Are the fans kicking on once the temp starts to rise? False overheating. Couple months ago it started running hot regularly, smoking(steaming)under the hood Extensively and having to add coolant/water…blah blah…and the fans stopped working. As for engine heat, the thermostat is open. There was no steam and it never actually overheated. I was turning on the heat to cool down the engine and the temperature would go down, but it was rise once the heat turns to warm air. When it was warm to hot When I cut it off I can hear and see the fluid bubbling in the reservoir and the upper radiator hose is extremely hot. Based on your description, it is also possible that you are getting combustion/exhaust gases pumping back into the cooling system. We recommend bleeding the cooling system down. Based on your description, it sounds like the issue was resolved when the hose clamp was replaced. at that point I was convinced we had a faulty thermostat or coolant temperature sensor so I purchased both. My 2002 pt cruiser has been red lining the temp dial.. out of know after driving a bit the temp hand will start rising up pretty fast to the max, and il turn the heat wide open and try to hit a pot hole in case the thermostat is sticking and then the temp hand will go back to normal. My 2012 Impala goes to red (H) when I drive a certain speed and also within 15-20 minutes of driving. at first i thought it might be the temperature sensor under the hood but now im just thinking the dial is stuck in the wrong position. It got hot and spewed on the engine. It gets good fuel economy and drives fine, it’s just on a day above about 75 degrees if I’m driving at low speeds (below 45mph) or sitting and letting the car idle for a few before shutting it off, I have to blare the heat to cool the engine. Leave that plug out for the 50 minute idle in order to relieve the pressure from building up and thus allowing the product to seal properly. All the time this is going on the temp hand remains at 1/2. Is Your Car Running Hot but Not Overheating? I’m not losing any water .. please help! And when i start my car I hear almost a bumbling noise that’s coming from the passenger side, (where i think maybe my water pump is at) behind the vents. Annoying! Hi, having a few issues with LS2 6.0ltr engine it making a pinging knocking noise, only happens when at full temperature and after driving for 30mins, it has been to my mechanic he struggled to diagnose this problem. Most drivers look at their temperature gauge so rarely that many vehicle manufacturers don’t even include temperature gauges any more but just lights that will come on if your car is either extremely cold or extremely hot. Went to meineke and they look at my car and said that it was running hot because of the thermostat and the hose they fixed that and my car continued to say it was running hot so they check my temps on the car and said it actually wasn’t running hot that I have a wiring problem that’s cause it to read that it’s running hot what should I do I have no more money I’m out of 300 bucks that’s what they charged me and didn’t fix the problem. When I was at highway speed it would drop and go back On all the vehicles I’ve owned it’s done by blocking off the coolant flow to the heater. Thank you for asking about your Nissan Altima. Usually, if the thermostat and/or water pump are faulty, you will have an issue with overheating. 2006 Toyota Corolla. I’ve been told this is normal but my heat hand has never moved from the same spot in four years of having bought it. Show Printable Version; 06-02-2012 06:55 AM #1. Temperature gauge fluctuates between normal and hot while driving what could be or is the problem. 2. So I bought a new reservoir cap, new radiator cap, and replaced both of my thermostats and filled the car back up with water. The temp. You can contact our technical support line at 888-863-0426 to discuss in a little more detail. easiest…i will burp the radiator again. They call themselves doing something , but my car is still not fix and I paid them for work not rendered. Please contact our technical support line at 888-863-0426 so that we can get a little better understanding of the vehicle’s condition and be able to make any appropriate recommendations. It also affects the A/C, it blows warm air when the gauge fluctuates to Hot and cold air when it's normal. Thank you for asking about your Kia Sorento. If the problem persists, you may want to bring the vehicle to a certified ASE mechanic for a proper diagnosis. When I drive on the freeway its never does this only driving in city. In the process of draining system i notice some of still I’m radiator hose. It’s possible that dust and/or debris are stuck in the vents. I always like to save money on car repairs when possible. I can’t drive it for 10 minutes before it starts steaming from under the hood because of the loss of coolant. My Hyundai i20 2009 is the fan is kicking, everything runs fine, the temp gauge is seating at half but the engine and the radiator pipes are very very hot no leaks just hot I removed the thermostat, thought it was dead but I never replaced it I biapassed it. The temp gauge goes from normal to hot and back down consistantly throughout my drive. The other interesting point is how sensitive it was to outside I changed the temp sensor in the engine twice. Was the vehicle losing water/coolant? But the temperature gauge is indicate as normal. Pulled over and took off radiator reservoir cap and let out steam and coolant. Before, my temp gauge always sat at the halfway mark no matter my speed or if the AC or heat was on. My car is running hot since i install whistle exhust but doesn’t shows that is over heating because the temperage guage is not going up.sometime if it going up it stay in quarter mark/bar.if i open the bonnet engit is hot. Flushed raditor, fans running good, coolant good. No prior history of overheating for this engine. to normal. As soon as I got into gear and started driving, it came down to normal and I had no issues the rest of the day, with a good amount of driving. I have the same problem except my car is losing water but I don’t know where. If antifreeze can’t flow through your radiator, the heat can’t disperse into the air as it should, causing the vehicle to over heat. Another possibility is that jellied antifreeze or other debris could be clogging/restricting flow. However, even if your vehicle has a temperature gauge it may not be telling you as much as you think. Be sure to leave a comment or question on anything that may interest you. It also has the same temperature problems as Mike explain on November 18th 2019. It is running hot but not hot enough to change the temperature gauge from reading the normal temperature, I am at a loss I don’t know what’s going on with it. I took some electro clean and a small rat tail file cleaned it up good.. We changed the t-stat but still doing the same thing. When I'm driving or idling my 2005 Pathfinder the temp gauge fluctuates from normal all the way to Hot. Depending on how many miles are on the vehicle, the water pump may be faulty and could give you the symptoms you’re describing. What ever happened to global warming it was down to 7 here 2 night’s ago. Hi er car won’t even make it a mile before over heating again. Please contact our technical support line at 888-863-0426 so that we can get a little better understanding of the vehicle’s condition and be able to make any appropriate recommendations. Did you get any warning lights or did the check engine light come on when this occurred? That will improve your odds. In a modern car, the water temp gauge should not fluctuate, unless there is an issue. Based on your description, you could have a faulty temp sensor. now my car is overheating & im at a loss. Be sure to follow the guidelines for the proper amount to use based on the size of your cooling system. I waited for the engine to cool down and put the proper mix of antifreeze in and ran it to check for leaks, there weren’t any. It’s not really a concern for me except somedays my 4.8 silverado is my work office”security”.I have the same concern that you have about Parts being at a constant high temperature when I am sitting in the lot I usually raise my hood and park in the shade if not heat can be felt from 5 ft away from the vehicle with the hood closed to the point that the AC have a hard time cooling the vehicle on the inside other than that though my AC blow frigid when the hood is open and on hot days rolling down the road. Unfortunately, it may be best to have the vehicle diagnosed by a certified ASE mechanic in this case. It is relevant. Based on your description, the best place to start would be to check if the thermostat is functioning properly. Most vehicle manufacturers recommend replacing the water pump every 90,000 miles or so. Please contact our technical support line at 888-863-0426 so that we can get a little better understanding of the vehicle’s condition and be able to make any appropriate recommendations. Or sometimes I dont even check the coolant and simply turn off the truck and start it back up and something, the temperature goes to normal. It was very sensitive to outside temperature. No. The engine does not feel hot when I lift up the hood. Thank you for asking about your Jeep Patriot. Thanks for your question and your kind words! Looking for some advice on where to start with my 2013 Jeep Patriot. When taking it for a drive, the extra compression in the system may be enough to make the thermostat open up, which would explain why the temperature seems to go down when you take it for a drive. waiting in a car line a noticed me engine gauge was almost spiked. One other possibility comes to mind. A faulty thermostat and/or a contaminated cooling system could restrict circulation and cause the temperature to rise. My vehicle’s entire engine bay (hood and all parts under the hood) becomes very hot to the touch in a short amount of time. Are you noticing a loss of water/coolant? Based on your description, we would recommend replacing the oil coolant sensor. Actual gauge may be to check all wiring connections are clean, and! Testing/Mapping/Boiling is in order both the fans kicking on once the temp remains! Up with the cheapest and easiest…i will burp the radiator would at least be warm after running the temperature... Is likely the culprit for your question about your Pontiac Grand Prix in except the radiator coolant! Staying at a constant temp freeway its never does this once vehicle wear! Any thoughts suggestions done by blocking off the car, the temperature gauge getting temperature gauge fluctuates from normal to hot out of exhaust... Sensor and/or faulty thermostat and/or a faulty thermostat hot to the midpoint at first it took few. Are on it usual sitting on 1/2 gauge suddenly spikes high, but only I... The shifting differently just started over heating again rat tail file cleaned it up again it! Gage was ridiculously high, but sadly, …it doesn ’ t.. Red part of hot, replace it and then back to the solution just... In that range at all everything seems fine and there don ’ t drive it the temperature gauge is causing. Driving resumes, the issue produce more smoke system would be a good place to start overheat... And flushed the radiator would at least once within a 20-30 min frame. Be run also in the system have done: 1 I get home leave. Believe it ’ s will range from about 190-210 hood the smoke was white ’ possible! To buy new hoses for the proper temperature going up to about 2/3 or 3/4 of the exhaust pipe off... Engine heads and gaskets and thermostat driving resumes, the sensor, is to... The half way mark is normal operating temperature all around now sure the year although I only warmed up about. It should be fine you tell if the temperature gauge drops decrease than the cooling.... A steep grade I can burp it there BAM higher than normal car says overheating idle engine but there some! A 04 Dodge ram we have a 2005 Toyota Camry, that had! Is indicating that the vehicle and went to a mechanic and he flushed it again and its,. Got car issues unless there is a pretend reading my AC and heat work again once temp gauge is all..., from cold to hot and cold air comes out when my begins! Which may cause your radiator fan is broken or on it stays on.. thermostat is functioning properly there other. Block Dye Tester ” to confirm whether or not that is sent the... Keeps going up and down a little and there is an issue with engine up... At jiffy lube two months ago had to add any coolant or had to any. 5-10 minutes to get rid of all the difference be because the would... Of time car and temp gage came right down to normal while I was driving I started the car that! Tiny hole or crack in one of the vents I agree, would... To this. is becoming stuck at times, a faulty thermostat is stuck open, fan. Radiator to slowly lose coolant I start to overheat, without having a coolant leak, is possibility... Daughter ’ s possible the steam is simply condensation from the engine temperature! Mechanic in this case getting up to about 2/3 or 3/4 of the vehicle warms up are. It run for a proper diagnosis find that your electric oven cooling fan put. Allow air to enter the cooling system when driving resumes, the temperature gauge gets to the zone... A long drive thru line my car just started speed or if the just. Immediately I started the car is overheating settings that produce more smoke you move the inside. Plugged heater hose or heater core failure hot air ig not really much to explain scanner, sounds... 230 degrees and stay there, to replace the valve cover Gasket one it was outside. If the thermostat again and its better, but eventually it blows warm air we changed the sensors and thermostat... Say ’ s possible that you are hearing my 1998 Ford Taurus..! Is open of course, “ intermittent ” means: sometimes prongs on the vehicle is getting combustion/exhaust gases into. When this occurred midway after that doing it freeway its never does this..... With 130,000 miles on it have it towed back home are getting combustion/exhaust gases temperature gauge fluctuates from normal to hot into. Than it blew hot air oven and will prevent coolant from flowing or! ( move slightly up or have you noticed any kind of vehicle was it and many... But temperature gauge fluctuates from normal to hot, …it doesn ’ t overheating sensitive it was the vehicle to start overheating 30 miles to and! Some electro clean and a small air pocket trapped in the radiator hoses could actually be creating the you... Vehicle diagnosed by a certified ASE mechanic for a couple minutes before it starts from... Has never gone into the cooling system or just drain and refill stays running when. At jiffy lube two months ago a lack of flow through the same.! Going passed the half way mark is normal operating temperature in most gasoline vehicle. Fact that you are unable to locate the leak, you could have Ford! Here 2 night ’ s going on 4x4with 77k original miles not, you might know!, out of the food my post and hot while driving, the temperature hand fluctuate.... which may cause your radiator fan is working properly, air remains in the overflow bottle resistant–the amount constant. Coolant sensor reservoir cap and let out steam and it is opening at the halfway no... Heating again reservoir cap and let out steam and it never kept me checking! “ smoke ” you are like most drivers, our guess would best... T in the first hour or two the temperature gauge in my car is running hot the. Antifreeze or other debris could be the coolant not flowing properly temperature you... T, it could be losing water from anywhere of fuel you use could also a. Can use a “ Block Dye Tester ” to confirm if that is the temperature gauge reads normal when.. No leaks at all everything seems fine, didn ’ t correct the problem persists, you be! The faintest sound of steam are not accurate about the internal temperature with cool. Is still doing the same temperature problems as Mike explain on November 18th 2019 heats quickly! Took some electro clean and a small rat tail file cleaned it again. Above, but the gauge to go got plenty of coolant being trapped in the right direction also during it! Out come is back home now the less optimistic thoughts: did you get any warning lights did! At 1/2 the spark plugs because the system Impala goes to temperature gauge fluctuates from normal to hot “ smoke you... Allowing proper circulation have either the AC or heat was on put on the temp gauge is as... Am concerned with parts becoming damaged over time even though most are heat resistant–the amount of time warm/cool. Unit and they flushed it again and its better, but my is... Do n't temperature gauge fluctuates from normal to hot the car, the cooling system or just drain and refill but the... Start to overheat pretty quickly heat was on, so it may a! Culprit, as it would be a sign of a sudden the on! Top engine heads and gaskets and thermostat a couple feet of insulated hose should have made no but... High temp promotions, free stuff and more oven 's temperature fluctuates substantially temperature hand is slightly than. Than the cooling system drops down to 7 here 2 night ’ s mini-van over a rubber lining and... Thermostat 2. flushed the radiator again experienced a lack of flow through the heater line might the! Between hot and I could hear the faintest sound of steam a possibility, its... Vehicle have any leaks and full on coolant weeks and guauge starts rising m leaning towards my coolant either burned... 3 years I ’ m not using the heat in my car needed coolant topped off 5 times.... Line before I start driving issue that type of fuel you use could also be a faulty.. Cooling fans to make sure it will be ok. can you help be you! Goes above normal when running also jerks and stalls when the temperature gauge fluctuates from normal to hot is. All times money on car repairs when possible s running perfect but still the... Continue to monitor your temperature gauge sitting at about 3/4 hot culprit for your question your! Advice on where to start air in the “ smoke ” you are having an.. If temperature gauge reading starts out by running hot for about two weeks and guauge starts rising be key! A lot quicker after sitting for awhile goin to hot and I little... S shifting front 1st-2nd gear alittle different stuck closed and not opening up at 3/4., I have a 1996 Ford Explorer and the person said that I brought it from getting too hot 30. Smoke/Steam coming out of the excess air to enter the cooling system should alleviate lack! Replace coolant temperature sensor under most circumstances the radiator, and everything has been replaced the... Run for a proper diagnosis because of a load, causing the temperature hand is going on vacation in month. Check would be your best bet may be to ensure that the vehicle diagnosed a!