Jeep wrangler overheating while driving

Pop the hood and listen and visually watch for the fans to kick on. If the car begins to overheat and the fans never kick on, the issue is either the cooling fan motor itself, or the relay that controls it. Tip: If the fans are spinning normally, skip Step 4. Step 4: Test the fan motor.

Jeep wrangler overheating while driving. 320 posts · Joined 2008. #1 · Jul 6, 2010. My jeep is currently running hot but only on the freeway. Around the town it runs fine. Fan clutch is good and thermostat is new. Started to overheat after a trip to an ORV park but I washed the radiator out and its pretty clean on the outside. Also drained and refilled the system completely.

Jeep started to over heat .. found simple solution to the problem

OAT vs HOAT coolant formulas. Step 2 – Check radiator and fan. The efficiency of the radiator and electric cooling fan can be greatly reduced by mud, dirt and debris and also lead to engine overheating. JKs that see any kind of off-road duty can easily ingest mud, dirt, and water through the front grille.Learn the top 10 reasons for Jeep Wrangler overheating and how to diagnose and fix the problem yourself. ... The water pump continuously circulates coolant while driving. A worn impeller or leaking seal will reduce flow, allowing heat to build up. Catch this early by listening for noises from the pump.Jeep wrangler nation philippines auto group Help with overheating 4.0 Jeep wrangler clicking noise while driving -solved. All-New Jeep Wrangler DriveOne of the most important things to maintain in a computer is the cooling system in order to prevent components from overheating. The CPU is the most important component to keep co...Overheating at idle and while driving I replaced water pump and thermostat and flush the heater core still overheating, - Answered by a verified Jeep Mechanic. ... My temp gauge on 2000 jeep wrangler sport goes up into the red after about 10 to 15 min of driving (not highway), then goes back down to higher than it should be, but out of the …7 posts · Joined 2013. #1 · Jun 5, 2013. Friend recently got a 2006 TJ Unlimited (LJ) with 82k miles, temp gauge says 210, but if you open the hood the engine bay feels very hot. You can't even touch the two metal support/stiffener rods that run at an angle from radiator area to firewall area. And don't even think about touching anything on ...The other common cause of overheating in jeeps is caked on mud and dirt from a previous trip through mud. Reactions: Jamrock and Catiajockey. OP . OP. Medsker Well-Known Member. First Name Jon ... 2021 Wrangler, 2017 VW Alltrack, 2003 VW Eurovan Occupation Mechanical Engineer Jun 1, 2022 #7 Medsker said: I thought about …

Here are some of the most common reasons why your Jeep might shut off while driving and their solutions as well. 1. Faulty Air Flow. One of the most common reasons that can leave the engine of your Jeep to be running in bad shape or just not at all is a bad MAF (mass airflow sensor). The main job of the MAF sensor is to measure the …Sounds like a belt may be slipping or bad water pump. Overheating and loosing heat at lower RPM sounds like your not moving enough water through the cooling system, at higher rpm moving just enough water moving to be happy. Check water level and belt tension check bad thermostat not fully opening at temp then water pump. if it were just ...1997 jeep wrangler overheating or any vehicle overheatingCoolant antifreeze Jeep tj overheating issues explainedCauses of cars overheating while driving. Here's the evolution of the jeep wrangler08 jeep wrangler overheating problems new water pump thermostat 2014 toyota camry factory radio.95 wrangler overheating. I just bought a 95wrangler about a month ago. Ran fine for couple weeks, then while idling in driveway started overheating. I changed radiator cap first. Then thermostat. Then saw water pump wasnt spinning and changed that. Better, but still gradually overheating (only when idling, stay at about 195 temp on …The normal coolant temperature for a jeep wrangler is between 195°f and 220°f. Overheating and underheating the engine can lead to significant damage. Running the jeep at an excessively high coolant temperature can cause the engine to seize up and warp. On the other hand, if the coolant temperature is too low, the vehicle may face reduced ...

Just a hot burning smell. There is no smoke from hood or vents. I haven't noticed any leaks and the engine compartment looks fairly clean. Usual dust. Oil is fine. Coolant is ok. It hasn't been rust proofed or greased in any way. It's a 2010 so it's not burning stickers off or oils from manufacturing.Solved: Wrangler TJ dying/stalling while driving. New guy here. I currently have a 1999 Wrangler Sahara (4.0, 5 speed) and just wanted to share a little problem I encountered the other day. On the way back down a little off road trail, my Jeep started to stall, buck, and eventually die on me, even when we were on the road.The other common cause of overheating in jeeps is caked on mud and dirt from a previous trip through mud. Reactions: Jamrock and Catiajockey. OP . OP. Medsker Well-Known Member. First Name Jon ... 2021 Wrangler, 2017 VW Alltrack, 2003 VW Eurovan Occupation Mechanical Engineer Jun 1, 2022 #7 Medsker said: I thought about the winch. It's just ...Troubleshooting process on Jeep Wrangler with the Chrysler 3.6L Pentastar engine that is overheating on the highway only. We go through the process of bleedi...How Do I Stop My Jeep Wrangler From Overheating? To stop your Jeep Wrangler from overheating, you can follow the measures given below. Keep the coolant in the radiator always full and if it gets low, refill the radiator by mixing a 50:50 ratio of coolant and distilled water. When refilling, make sure the engine of the Jeep Wrangler is cold.2006 TJ, Last summer I completely redid the cooling system per the guide here (new hoses, radiator, water pump, fan clutch, T stat and housing), with no cheapo knockoffs. I'd had no issues, and hadn't noticed any leaks. Today I'd driven home from work, and went back out to meet someone. While I...

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The thermostat did something wonky about a month ago, reading only 165* while we were on the highway doing 70mph. I assumed the PO installed a lower * thermostat and purchased a Stant 195*. Then the Jeep was running 210*, so we put off installing it. Then the overheating incident occurred.The hood still comes up a couple inches. The Daystar latches (for about $30) do the trick nicely. I'll order another set of those tomorrow. Helps to heat them up in very hot water to get them to initially stretch. 3700 miles in 5 days, JKUR performed well both on the freeway and mountains outside of Silverton.Damaged or deteriorated heater hoses can lead to coolant leaks and heater core problems. Regularly inspect the heater hoses for signs of wear, cracks, or leaks. If you notice any issues, replace the affected hoses promptly. Make sure to use high-quality replacement hoses designed for your Jeep Wrangler JK.Engine looses power while driving and makes the Jeep jerk. Hi guys, Just got a 2000 Jeep TJ 2.5 manual. I bought it last tuesday and the the guy that sold me the Jeep had it stored for almost 10 months, with probably 1/4 of gas in the tank and probably no gas stabilizer.. So when I went look at the Jeep he was doing a small tune up on it, like ...

Water Pump Problems. Another potential issue leading to engine rattle in your Jeep Wrangler might be related to the water pump. The water pump is responsible for circulating coolant through the engine, preventing it from overheating. A malfunctioning water pump can cause an array of issues, including overheating, decreased cooling efficiency ...70 mph in 6th gear = 2614 rpms. Torque available to the rear wheels = 972 ft lbs. Available HP = 124. If this is not enough power to climb the hill or if I can not accelerate I am at 100% engine load or greater. Lets down shift to 5th. 2614 rpms in 5th gear = 57 mph. Torque available to the rear wheels = 1220 ft lbs.2007-2012 Jeep Wrangler Troubleshooting . Author: Adam Donald (and 5 other contributors) Device Page. Tail Light Won't Turn on ... If your vehicle's gears slip while driving, your vehicle will not be able to accelerate properly. ... An overheating engine can reduce the life of your car and the efficiency of your vehicle.320 posts · Joined 2008. #1 · Jul 6, 2010. My jeep is currently running hot but only on the freeway. Around the town it runs fine. Fan clutch is good and thermostat is new. Started to overheat after a trip to an ORV park but I washed the radiator out and its pretty clean on the outside. Also drained and refilled the system completely.Symptoms of an overheating transmission in the Jeep Wrangler can include shifting delays, a reluctance to shift into certain gears, or high transmission fluid …Hi Everyone, This Tuesday i just went across the street to the store and while i parked, and idled, my Jeep began to overheat. Gauge all the way up H and notification in display. And the fan going like crazy. I have a 2014 Jeep Gand Cherokee Overland 4x4 3.6L. I immediately drove slowly back home (0.1mile) and parked it in our driveway.Jack the Jeep up and support it on 4 jackstands. Try turning each tire. Try each one in neutral and in gear. Based on your results, the next step should be: 1)- all 4 turn in neutral but not in gear = look at transmission and/or transfer case. 2)- front turns in neutral and rear won't turn = rear differential.Over time the grease inside dries up, causing clicking noises when cornering. Bad Wheel Bearings - Wheel bearings allow the wheels to spin smoothly on the axles. When they wear out, it creates play in the wheel that makes a clicking sound during driving. Loose Lug Nuts - Lug nuts secure the wheels to the axles/hubs.Proudly sponsored by Enginetech https://enginetech.com/Engine rebuild kit I used on my 4.0L rebuild: https://amzn.to/2WuNdbuIf my videos have helped you sav...6 posts · Joined 2015. #1 · Apr 25, 2015. I have a 2004 3.7L V6 Liberty that overheats after driving for about 20 minutes in about 70-80 degree weather. I have replaced a cracked radiator and a non functioning electric fan (relays checked out good) and went ahead and replaced the thermostat in the process. I hoped that would fix it but it ...2001 TJ 4.0 overheating sporadically. Help!!!! Long story, but want background included to help diagnose. Could use some advice. Jeep overheated on me a few times last year in summer. I ended up replacing radiator. Still had some occasional overheating issues, usually when idling.

The other common cause of overheating in jeeps is caked on mud and dirt from a previous trip through mud. Reactions: Jamrock and Catiajockey. OP . OP. Medsker Well-Known Member. First Name Jon ... 2021 Wrangler, 2017 VW Alltrack, 2003 VW Eurovan Occupation Mechanical Engineer Jun 1, 2022 #7 Medsker said: I thought about …

Solution 2- Bleed the cooling system: To do this, you can check the steps below: STEP 1: Fill the radiator with coolant and turn the engine on. STEP 2: Allow the engine to run for a few minutes, then turn it off. STEP 3: Wait for the engine to cool. STEP 4: Check the coolant level after the engine gets cool down.The jeep wrangler may stall while driving but can be restarted. This issue may occur for various reasons, such as fuel pump failure, faulty sensors, or a damaged ignition switch. ... Temperature light: A red light on the dashboard indicates that the engine is overheating, which might require you to shut down the engine. Inspect The Engine.9 posts · Joined 2012. #1 · Jun 26, 2012. I have a 2012 Rubicon and having a heating problem 75% when wheeling. But does come down then go back up. It appears a though the thermostat is not feathering to allow smooth cooling of the engine. I had a 2010 Rubi and traded it for the ‘12. Never ever had a problem with the ‘10 gauge always on ...Pop the hood and listen and visually watch for the fans to kick on. If the car begins to overheat and the fans never kick on, the issue is either the cooling fan motor itself, or the relay that controls it. Tip: If the fans are spinning normally, skip Step 4. Step 4: Test the fan motor.Overheating is one of the most common problems associated with your Jeep. Smoke coming from under the hood, a faulty temperature gauge, and a blown head gasket are just a few of the symptoms. It is possible to cause long-term engine damage by driving while overheating. In most cases, low coolant levels are to blame for your …Jeep Wrangler Forums. YJ Wrangler Technical Forum loss of power when hot ... 92 yj was running fine until yesterday. while city driving sudden power loss occured. ... A/c was on, but low. I have an 01 XJ (black)with 50k, engine running at 208F. I dunno about overheating with the temp being what is usually is, no lights came on, i jjust pu8lled ...We would like to show you a description here but the site won't allow us.Symptoms of an overheating transmission in the Jeep Wrangler can include shifting delays, a reluctance to shift into certain gears, or high transmission fluid … Troubleshooting process on Jeep Wrangler with the Chrysler 3.6L Pentastar engine that is overheating on the highway only. We go through the process of bleedi... 2012 JKU Overheats Uphill. I usually get overly wordy with my questions so I will try to keep it short. If anymore information is needed, I will do my best to provide it. My Jeep seems to maintain temperature just fine throughout most driving conditions. Doesn't overheat in 100+ temperatures or anything, and usually stays between 195-205 ...

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Still working on my overheating/venting issue on my transfer case. I was still using the original rear shaft output seal as I was able to carefully reinstall the old seal without taking anything apart. That worked for a while since the t-case skid was removed and the steel brace was removed to see if it was acting as a heatsink.If it overheats while idling and driving under 35 then it could be the fan clutch. It could also be the water pump but generally the leak out the weep hole if not operating correctly. --"I gotta disease...and the only cure is more Jeep parts" ... Jeep Wrangler Forum. 9M posts 469.2K members Since 2005 A forum community dedicated to Jeep ...2018 Jeep Rubicon Unlimited. Apr 22, 2022. Thread starter. #1. Hey Guys, My wrangler has started to overheat when going uphill, driving around flat areas and idling I am completely fine but as soon as I go up a hill especially at highway speeds the temperature shoots up. I am running 35s and a winch in the stock steel bumper.If it has a bearing fail on it, or when it is no longer being turned properly (bad serpentine belt), it won't be able to pump enough coolant through your Wrangler and the engine will begin to run hot. 6. Debris. A common thing that can happen when driving on the interstate is picking up trash that blocks the radiator.Anything below that would not be considered overheating. I would disagree with that... at least on a technical level anyway. You may have hit 240 and the jeep does allow for that, but it is most certainly not within operating range, and if you are OVER the normal operating range, then you are technically "overheating".The noise happens all the time while the car is moving. It speeds up and slows down as the vehicle changes speed but is not affected by engine speed. I am unable to recreate the sound when the vehicle is not moving. I have tried the following. Jack up front of car and manually turn tire, but no noise. Jack up read of car and manually turn tires ...11 Reasons Why Jeep Wrangler Shuts Off While Driving. 1. Faulty Crank Position Sensor. If the Jeep Wrangler dies but restarts after a few minutes, the problem is with the crank sensor. As its name implies, It's a sensor that monitors the crankshaft's position. The ECU then uses this information to perform a few critical functions in the engine.Oh I’m not stressing. This is my fifth Jeep so I’m used to break downs. LOL My concerns are with an unproven engine. But after test driving it I was hooked on its pep. This thing will scoot. The torque is impressive and mpg around town 24. Got 28 driving it to Ohio over summer. As of this year etorque isn’t an option with the 2.0.Hey Guys, My wrangler has started to overheat when going uphill, driving around flat areas and idling I am completely fine but as soon as I go up a hill especially at highway speeds the temperature shoots up. I am running 35s and a winch in the stock steel bumper. Coolant is full and my A/C and Heat work just fine. It seems like my fan has been coming on much more often however.Add External Fans or Install Larger Internal Fans: Installing larger internal fans or external fans can improve airflow and help keep your engine cool while driving at high speeds. This can help reduce the risk of overheating and improve cooling performance. Replace Clogged Radiator or Heater Core: If your radiator or heater core is clogged, it ... ….

Jul 30, 2022 · 2015 Jeep jku 3.6 keeps overheating. I am at a loss. Okay whats going on is that after running the jeep it will fill up the reservoir with cooliant but the coolant doesn't return the the radiator. I did find there was a leak in the radiator. I also replaced upper and lower hoses, thermostat, waterpump, reservoir and 3 caps. Yep, 255 is definitely too warm. Not likely the fan or a fuse. If it were me: Check coolant level and make sure its full. Make sure the correct coolant was used, you can't mix OAT with HOAT or the old school green stuff. Burp the system again. The last time I did my radiator I had to burp it a few times.54 posts · Joined 2011. #1 · Jan 10, 2015. Had my 2014 Unlimited Rubicon X with manual transmission and engine block heater misbehave today. Had been driving for about 20 minutes when the temperature gauge dropped from "normal" to "C" and the heater was blowing cool instead of hot. Pulled to the side of the road and sat there for 45 minutes ...21 posts · Joined 2013. #24 · Jul 25, 2015. My 2014 JKUR-X Runs hot all the time. I think there are a lot of variables: Mods, tire size, gearing, additional equipment you are carrying. If I drive up I-70 out of Denver- a lot of uphil driving- at 65 mph and air condoning on, temp gauge goes 3/4+.I would get really hot overheating brake pad smell from rear brakes, and found that one of the calipers had locked up. Research found that, again if I recall correctly, a check valve in the brake line (flex line), or something else caused the rear brake to lock up. The solution was to change the rear brake rubber line bewteen the body and brake ...Jeep jk overheating. So, I live in San Diego Ca and I have a 2015 jeep wrangler jk 3.21 gears with wrangler jl tires and rims, so I was driving to julian ca this weekend and I noticed my jeep was slightly overheating the needle was a bit passed the center and my temp was 230 driving 65 mph over hills and semi hot weather and I was trying to ...Feb 2014. Summary: JEEP: VEHICLE'S AIR CONDITIONING SYSTEM IS LACKING COOLING OR THE ENGINE IS OVERHEATING AND NEEDS TO BE INSPECTED AND REPLACED, IF NECESSARY. MODEL 2014 WRANGLER. ( NHTSA ITEM NUMBER - 10055384 ) 2014 JKUR,teraflex 1.5 coil lift,Smittybilt XRC Front bumper,Warn VR10000-s,GE nighthawk LED headlights.One common cause of white exhaust smoke in your Jeep Wrangler is a coolant leak. This issue may be due to a blown head gasket or cracked engine head. Coolant leaks can lead to a rough, choppy idle and reduced engine power. When coolant leaks into the oil system, it diminishes the oil’s lubricating ability, which can damage your …Most economists agree that a little inflation – in the 2 to 3 percent range – is acceptable and indicative of a growing economy. When the inflation rate creeps up, economists becom...Apr 6, 2017 · Continuing saga of the overheating Jeep. Basically Since I bought my 2012 Wrangler last year I've had overheating issues or atleast I thought I did. I made a thread on here, I looked at other forums and posts and never got any solid information. At first I thought it was due to my winch and grille inserts. But I was told by other people they ... Jeep wrangler overheating while driving, If your car is overheating, you should definitely not drive it. This could be due to several factors, including low coolant levels or a faulty cooling system. Driving an overheated car puts additional strain on the engine, leading to further damage and costly repairs down the road. If your car has already started overheating, pull over as soon ..., Jeep Wrangler Clicking Noise While Driving -SOLVED - 4-Wheel Drive Guide All-new jeep wrangler drive Jeep idling overheats Help with overheating 4.0 5.3 overheating on highway in tj wrangler, If your Jeep keeps cool at cruising speeds, but only seems to overheat in traffic or while idling, the cooling fan is likely the culprit. At speed, enough air passes through the radiator to keep the engine cool without the need of the fan., , Okay I am new here and this is my first post.So hi:wave: to you all. I just trained in my BMW roadster for a jeep 2001 wrangler. I am having trouble with the overflow. I changed the thermastate and cap. There is no water in the oil or oil in the water. ... It's possibly you have air in the system but air usually causes overheating while driving ..., By Isaac Lee May 29, 2023. If you're driving your Jeep and it suddenly shuts off and won't start again, there could be a few different causes. The most common reason is that the Jeep's engine has overheated and needs to cool down. Another possibility is that the fuel line is blocked or the fuel filter is dirty and needs to be replaced., Brake pulsations due to warped front brake rotors. 25 people have reported this. 1. Problem shifting into reverse with AX-15 manual transmission. 22 people have reported this. 10. Check Engine Light due to cylinder #3 misfire. 21 people have reported this. 5., 42yrs First Jeep Discussion starter. 128 posts · Joined 2013. #1 · Sep 20, 2018. So my engine fan has been running really loud for the past 2-3 weeks. I haven't seen the temperature gage go any higher than the middle. Its really noticeable. I have a 2014 JKUR. My heater is also acting up. It blows hot and then cools off to the point of cool ..., We would like to show you a description here but the site won't allow us., Learn the top 10 reasons for Jeep Wrangler overheating and how to diagnose and fix the problem yourself. ... The water pump continuously circulates coolant while driving. A worn impeller or leaking seal will reduce flow, allowing heat to build up. Catch this early by listening for noises from the pump., The other common cause of overheating in jeeps is caked on mud and dirt from a previous trip through mud. Reactions: Jamrock and Catiajockey. OP . OP. Medsker Well-Known Member. First Name Jon ... 2021 Wrangler, 2017 VW Alltrack, 2003 VW Eurovan Occupation Mechanical Engineer Jun 1, 2022 #7 Medsker said: I thought about the winch. It's just ..., Heat the water to the temp the thermostat is supposed to open at, put it into the water and see if it opens. If that checks out OK, I'd give the radiator a good flushing. If that doesn't work replace the radiator. 2016 JK Rubicon Hard Rock Auto Trans. 2008 Jeep Liberty Auto Trans. 1988 E-150 4.9L 5 Speed Stick., Reasons Your Car Is Overheating Then Going Back To Normal Temperature. If the engine temperature rises but goes back down, the motor might be working too hard. It could be due to a bad thermostat, coolant temperature sensor, water pump, radiator fan, or temperature gauge. There could also be a clogged radiator, low coolant level, or there's ..., 481 posts · Joined 2007. #5 · Jul 13, 2008. If it only overheats at idle (like in traffic), don't forget the fan clutch. It's probably not the thermostat, or else it would be overheating while driving, too. Check coolant, add if needed, and then look to the fan clutch. With the engine off, spin the fan with your hand pretty hard., Jun 24, 2011 · DevilDogDoc. 2346 posts · Joined 2010. #5 · Jun 24, 2011. Well if it's your AC that causing you to overheat then to me that means your cooling system is marginal and the increase in heat load from the AC is overloading it. Start as instructed above and see where you are coming up short. , Step 4:You must inspect an electric motor cooling fan ,it will start with ignition key switch off, it has failed and needs to be replaced if the 2014 Jeep Wrangler fan motor does not spin freely . The electrical system operates the fan needs to be tested,If the fan motor "freewheels" that . Start the engine and then turn the air conditioner ..., 2021 Wrangler Overheating. Hi, I leased a Wrangler in October and thus far haven't had any issues until today when I drove to work. Once I stopped my car and went to make a call (with the engine still running), the temperature maxed out and the console started beeping. It went down to the half-way point on its own after about 15 seconds, with ..., Apologize if this is the wrong section. I have a 2017 Jeep Wrangler Big Bear that's overheating. A while back I replaced the thermostat, no issues. Now it's overheat. On a cold start it will warm up to 245-250, then drop down to 220. If I'm going uphill it'll claim back up to 235-240 then drop..., My 1998 Jeep wrangler 4.0 is overheating ... Once you fix the leak if it still has issues it might help to know the driving conditions when it overheats. Reply. JKP TJ Addict. Joined Aug 20, 2020 Messages 1,573 ... When hot, the fan is difficult to turn (I think ruling out fan clutch). It was over heating while at speed too, ..., While the system is open, I'd flush it too (both ways and the radiator from the bottom). Install a new mix of 50/50 antifreeze/water. In this case, we're doing the process of elimination. I expect the clutch & water pump will cure the overheating at idle. Post a pic of the old impeller., Hey my 2020 Jeep Compass trail hawk is literally having the same problems with stopping at a light or even driving and the car would say it's overheating, car would shut off then I would turn it on and the message would be gone. Been happening for couple weeks now. I have it in the shop right now but they can't even find the problem, Malfunctioning Water Pump. Another issue that can cause your Jeep Wrangler to overheat is a malfunction of the water pump. Since the water pump is the mechanism that controls the cooling system, when it becomes damaged, your engine can overheat. Since the water pump controls the coolant, the flow is affected when something goes wrong with the pump., Hey all! We are taking our '21 Rubi in to be looked at but figured I'd post in here to see if anyone has had this issue before.. When we are driving it makes a sporadic rumbling noise. It doesn't happen in park, only when we are driving at various speeds. We feel like it tends to happen more on gravel roads (assuming because they are more ..., This leads to your Jeep's engine reaching extremely high temperatures and overheating. If your Jeep's thermostat is faulty, then you simply need to get it fixed or replaced. 3. Faulty Water Pump. The water pump is the part of your Jeep that's responsible for controlling the flow of coolant in your Jeep's system., 42yrs First Jeep Discussion starter. 128 posts · Joined 2013. #1 · Sep 20, 2018. So my engine fan has been running really loud for the past 2-3 weeks. I haven't seen the temperature gage go any higher than the middle. Its really noticeable. I have a 2014 JKUR. My heater is also acting up. It blows hot and then cools off to the point of cool ..., 10 posts · Joined 2017. #1 · Apr 11, 2021. My 2013 JK (114,000k) is having issues overheating. Thermostat is not that old (about a year) so I replaced the PCV valve which was toast (and quite a pain in the arse). At idle or even low speeds (45-50) it’s fine. But as speed increases the temp goes up., Malfunctioning Water Pump. Another issue that can cause your Jeep Wrangler to overheat is a malfunction of the water pump. Since the water pump is the mechanism that controls the cooling system, when it becomes damaged, your engine can overheat. Since the water pump controls the coolant, the flow is affected when something goes wrong with the pump., T. triley6511 Discussion starter. 4 posts · Joined 2012. #1 · Jul 24, 2012. I recently purchased a 2002 Jeep Wrangler Sport but it's overheating. I've replaced the thermostat as well as flushed the cooling system but it's still overheating; especially when it gets warm outside. Any help/insight would be greatly appreciated., J. Jeepwk999 Discussion starter. 154 posts · Joined 2018. #1 · Jan 31, 2020. Hey all, having an odd overheating issue after replacing the radiator, a little backstory: Recently replaced thermostat and fan clutch due to overheating maybe a year ago. A week ago i replaced the water pump, new radiator cap, upper and lower hoses, coolant refresh., One common cause of white exhaust smoke in your Jeep Wrangler is a coolant leak. This issue may be due to a blown head gasket or cracked engine head. Coolant leaks can lead to a rough, choppy idle and reduced engine power. When coolant leaks into the oil system, it diminishes the oil's lubricating ability, which can damage your engine., Malfunctioning Water Pump. Another issue that can cause your Jeep Wrangler to overheat is a malfunction of the water pump. Since the water pump is the mechanism that controls the cooling system, when it becomes damaged, your engine can overheat. Since the water pump controls the coolant, the flow is affected when something goes wrong with the pump., BUT -- before replacing it - try this - find the sensor, unplug the connector (up top, back of the engine, 2 wires) - spray the connector with a good electrical cleaner, then plug it back in. The signal from the CPS is a weak one - any corrosion on that connector can kill the signal enough to kill the engine., I have a 2016 Jeep Wrangler Rubicon 4door with a lift. For a while my Jeep has been overheating and I, and a family friend, have been replacing all the things we think is wrong. Water pump, Serpentine belt, Thermostat, Fuses, Ambient temperature sensor, Radiator cap, Radiator hose, Sprayed radiator fan, Coolant temp sensor, Radiator flush, Oil ...