If the gauge pegs over when grounded, the wiring and gauge is good. Since every LS engine swap is a little different and there are lot of choices to be made, you can use this guide as a reference for ideas and part numbers as you move through the process. From the bottom front of the vehicle, look up underneath past the bumper. It might be time for a new ... Camaro and Firebird Radiator Replacement If you want to get involved, click one of these buttons! If the radiator is blocked, it will not cool as it's supposed to. All these things must be taken into account. I replaced the thermostat and the problem still persisted, and actually the engine seemed to be overheating more frequently. ), the radiator fan, or a failed thermostat. Troubleshooting cooling issues could be as easy as burping the system. How to Replace Radiator What if I got new hydrolytic engine fan for a 2001 Lincoln Ls and the temperature gage is still going up. Radiator working fine? Majestic9C1, thompson Thank's for ANY ideas I know it makes no sense. Let it get up to temp and rev it up a few times(out of gear of course :) ) while looking for bubbles to rise out of the coolant. If it collapses during the rev, it needs to be replaced. If you mix anything other than Dex-Cool with itself, you have shortened the life expectancy of it down to whatever you have put in. I have a 03 Yukon with a 5.3 and about 162000 on it. Engine Cooling problem 2002 Lincoln LS V8 Two Wheel Drive Automatic After having a new thermostat installed on my car ($440.00) for over-heating my car seemed to be ok for about 2 months. But it also has a pressure switch on the pump that drives the fan. I am at a loss as to what the problem could be? The engine overheats very quickly (within a few minutes) and the coolant boils in the over-flow reservior. If I stop and let the engine run it will cool down. Figuring out what's going on with your LS1 engined F- or Y-body car can be a daunting task. One such checking device is the UVIEW 560000 Combustion Leak Tester. You do have 4 hours to edit your posts here. The temperature gauge inside your car could be lying to you. I have a 2003 lincoln ls and it began overheating about a month ago. All new antifreeze and the old looked good too. I have unhooked the negative cable over night and it doesn't help. If yours isn't, it may be way past due for a change. Check the gauge by grounding the wiring going to the sending unit with the ignition on. While there are a variety of reasons your Lexus LS460 is overheating, the most common 3 are a coolant leak (water pump, radiator, hose etc. The radiator in your Camaro is an important part of ... Camaro Common Problems If, for instance, you can leave your vehicle sit in the driveway for hours on end idling and it never overheats, yet take it out on the road for a few minutes and the temperature spikes, this could be the issue. The engine gets really hot, so I do think its overheating instead of a faulty sensor. A leaking radiator cap will not allow pressure buildup and overheating/boil-over can ensue. The engine overheats very quickly (within a few minutes) and the coolant boils in the over-flow reservior. Usually to burp the cooling system on LS1 cars I put the nose of the car in the air (jack-stands or ramp) and take the cap off the radiator. I can live with it. Street rods, musclecars, and classic trucks have all benefited from an LS swap. Then it overheated. Learn more, below: 20 to 40 Degrees Over â If the temperature climbs 20 to 40 degrees above what is normal, your vehicle might experience engine knock. One of the things which can go wrong with the pump is if the vanes of the impeller get corroded. Isn't Dex-Cool supposed to be orange? 8) Shut off engine and remove the cap. There are two main purposes of the radiator cap. This article applies to the LS1 Camaro Z28/SS (1998-2002) and LS1 Formula/Trans Am (1998-2002). Check the gauge by grounding the wiring going to the sending unit with the ignition on. The catch with LS engines is that the thermostat is positioned at a point lower than most of the coolant passages in the engine. 9) Start engine and let it idle for a minute. I just changed the thermostat and everything. The only reason the fluid will change color is if hydrocarbons are present in the coolant, which should not be there otherwise. This suggests to me that the coolant is being boiled by ADDED heat, not just normal engine operation. It looks like you're new here. Using straight water or tap water with your antifreeze can cause sediment in your system which can also clog things up. Dash says overheating and reduced power along with the gauge being pegged all the way to the right. This causes steam voids in the cooling system, which causes the engine to overheat. This article applies to the Chevrolet Camaro (2010-2015). But the whining sound my lead me to believe that the pump is either low on fluid or is wearing out. I'm thinking it's the ECM failing. You'll notice when it does because there will be a drop in coolant level. I can watch the system go from that to normal and back again in a second. This is not an issue in most muscle cars and trucks, but on many other vehicles the radiator simply doesnât have clearance to be mounted in a position higher than the engine. Old and tired Dex-Cool can become grainy and brown in color, and ultimately will begin clogging the system. #1049117 - 03/21/17 10:52 AM Re: Ls swap 5.3 overheating issue [Re: 1988SilverBulletMCSS] Joined: Feb 2002 Posts: 4,215 Jameson 15+ Year Jameson 15+ Year Member Joined: Feb 2002 Posts: 4,215 Elizabeth City, NC Without it, the air passes unhindered underneath the car. This article applies to the Chevrolet Camaro (2010-2015). We're all pretty fluent in those nowadays. You can start it up from cold and drive it for 3 blocks and the bells and dash read out goes NUTS. When the car is in motion, there is enough air flow over the radiator for it to cool. And the overheating problem is worse if you have a heater. Start your engine with the radiator cap removed and coolant one inch below the neck. I then changed the water pump (the old pump was not leaking coolant) and the engine is still overheating. Engine overheating damage may vary depending on how high the temperature rose. ), the radiator fan, or a failed thermostat. I had it scanned and it came back it was the temp sensor so I changed it and it was OK for a few days then back to the same ol stuff so I think anybody can get a bad one so I change it again and after a few days yup were at the same problem so I went and changed the thermostat just on the out side chance it could be that. The facts you find here can probably help diagnose the issue in just about any vehicle. Check the coolant temperature sending unit by measuring the resistance between the two pins when the sensor is cool (under 100°F). The light comes on and the guage shows hot - stop it for a few minutes and it is fine - no steam from the engine - can even open the radiator cap. How to Replace Thermostat and Water Pump I checked the fan to see if it is turning on and it does. If the temperature gauge inside your car is showing high, yet the car is exhibiting no signs of overheating, it might be the sending unit or gauge and not the engine which is having issues. 10) Cycle the engine like before and wait for the thermostat to open again, then shut off the engine. If they are blocked with. How many miles are on it? How to Replace Radiator And i would check your freeze plugs on there,they have a tendency to busy after awhile,and if isnt that,then its more then likely a head gasket,if you notice your loosing oil,or your oil is very fluid like and has a coolant like smell then theres your culprit,hope i helped! Mounting: Mounting the radiator below the engine is a common LS engine swap procedure that produces ineffective cooling and excessive heat. This can be especially true with Dex-Cool. Sick of seeing white steam? Read on to learn more about the most commonly diagnosed problems pertaining to the 1990-2015 Camaro. It is controlled by the temperature sensor. I have a 96 TA ws6 and it overheats past the 210 mark almost to the red. Without fans coming on, the engine will run hot when stationary. To check for this, take one of the heater hoses off and check for fluid flow while the engine is running. If there is any room for more fluid in the radiator, fill it to the top with 50/50 premixed coolant of whatever type of coolant is in your vehicle (Dex-Cool or "the green stuff"). Smell that sweet aroma of antifreeze? The first is to keep the coolant inside the radiator. When this happens, top the radiator off to further fill it up. When it officially overheats it will throw errors and go into limp mode until it cools down. When the system gets over the rated pressure of the radiator cap, coolant is pushed out through the overflow until it is full, then out onto the ground. I then changed the water pump (the old pump was not leaking coolant) and the engine is still overheating. It is vital that the owners understand the way to maintain the 2000 Isuzu Trooper LS s engine if you want to take care of your 2000 Isuzu Trooper LS property.When compares with the various other sorts of vehicles,the majority of 2000 Isuzu Trooper LS cost is really a small fortune.You know the feeling if your car has been running hot.An overheating engine is usually more than a bummer, If you â¦ Check the overflow tank, and ensure its level is between the cold and hot marks. Read on as you discover different reasons an LS1 might overheat. When the radiator will no longer take any more coolant, put the radiator cap back on the radiator. With a cooling system which has a 50/50 mix of coolant, for every pound per square inch (psi) of pressure buildup within the system, the boiling point of the coolant is raised about 3°. This happened soon after driving the car from a cold start, or after driving the car at highway speeds for a period of time (e.g., 1 hour). 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