My car is overheating. It has a new water pump, radiator, hoses, and thermostat. I've taken it to three places and it is still overheating.
The first plan of action would be to ensure that proper parts have been installed and that installed correctly, such as the right temperature thermostat. Also that the correct coolant had been used. Another thing that can cause overheating are air pockets in the system from bleeding the vehicle incorrectly or not bleeding the system at all. A block test should be carried out to make sure that the head gaskets aren’t leaking causing excessive consumption of the coolant also causing overheating. I would have a mechanic, such as one from YourMechanic diagnose your car’s overheating issue in order to move on to necessary repairs.
How to Identify and Fix Common car Problems ?
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The most common reasons a Chevrolet Equinox is overheating are a coolant leak (water pump, radiator, hose etc.), the radiator fan, or a failed thermostat. Coolant leak (water pump, radiator, hose etc.)
Cooling System Leak – This is probably the most common cause of an overheating engine. If any component in your cooling system–which includes your radiator, hoses, water pump, head gasket, and thermostat casket–starts to leak, you`re in trouble.
The most common reasons a Chevrolet Equinox has a coolant leak are loose hose connections, a broken radiator, or a failed water pump. Search our network of RepairPal Certified shops near you to speak with a technician about your issue.
Engines can overheat for many reasons. In general, it`s because something`s wrong within the cooling system and heat isn`t able to escape the engine compartment. The source of the issue could include a cooling system leak, faulty radiator fan, broken water pump, or clogged coolant hose.
A cooling system leak is the most common cause of an overheating engine. The leak could spring from your hoses, your water pump, your coolant tank, or your radiator itself, so closer inspection is needed if you see that your coolant tank has gone dry. Using the wrong coolant could also get you into trouble.
Over time, air can become trapped within your radiators, leading to cold spots and a less-than-optimal performance from your home heating devices. If you don`t bleed your radiators, the issue will worsen over time.
Head gaskets blow when the engine overheats, so sometimes there is an antifreeze leak elsewhere in the system that starts this chain reaction of events. In addition to leaks, your coolant level may simply be too low, which can cause overheating. This can also happen if your engine oil levels are too low.
Your radiator is likely already damaged, but in the early stages of overheating, it can be repaired. The more you drive on it, the more you`re likely to see burst hoses burst, failed radiator stems, and exploding cooling systems.
If your car is still overheating even after you`ve changed the thermostat, you`re likely dealing with an issue with your radiator. It could be clogged, which would restrict the flow of coolant and cause your radiator to overheat.
One way to check for proper coolant circulation is to check the upper and lower radiator hoses. The upper radiator hose should be hot, around 190–200 °F. (The safest and most accurate way to get this temperature reading is with an infrared thermometer.)
With the engine off, open your hood and locate the water pump pulley. With gloves on, grab it and wiggle it back and forth. There should be no movement, if there is, this along with the noise is a good indication you may have a water pump problem.
One of the most common yet serious problems that develop in the cooling system is a radiator leak. A crack or leak from the radiator can lead to significant loss of coolant or antifreeze. Without these fluids present in the cooling system, air bubbles start to develop.
Signs and symptoms of radiator airlock include: Overheating during normal driving. Heater not functioning correctly. Reduced performance.
When there is a leak in the cooling system, it allows air into the system causing an airlock. The airlock blocks the coolant from circulating through the system, potentially causing the vehicle to overheat.
You might also need to let out trapped air if you have noisy radiators which are making banging, clanking or gurgling noises. It`s recommended that you bleed your radiators once a year, even if they are working properly.
Set your multimeter to Ohms X10K (or 10kΩ) mode and connect one of its probes to each of the two terminals in the temperature sensor connector. The gauge should register “OL” meaning that it has detected an open circuit between these two probes; if not, then the temperature sensor may be malfunctioning.
Several things can cause that condition. A stuck closed thermostat, blocked radiator, a faulty water pump, or low coolant all need to be checked. The fans turning on is normal when the engine gets too hot. However, if the coolant is low, or not circulating, it does not cool the engine.
COOLANT TEMPERATURE SENSOR FAULTY: SYMPTOMS
Higher idle speed. Increased fuel consumption. Poor starting behaviour.
If the coolant level is dropping and there is no external leak evident, then the coolant is probably leaking internally, into the engine. If the car has recently overheated then this could have caused the head gasket to fail. If it has, it could be leaking coolant into the combustion chambers.
Technically speaking yes you can use plain water in your cooling system but it isn`t recommended as a long term solution and certainly not in extreme weather conditions.
If you are regularly topping off your coolant, you have a coolant leak somewhere in the system. It can be difficult to identify where the leak is coming from. Often it is best to have a professional diagnose a coolant leak, but there are a few things you can check before bringing your car into a shop.
If you suspect an internal coolant leak, allow the radiator to cool, take off the cap, and look for signs of oil or frothy bubbles in the radiator or header tank. With the engine running, smell the coolant itself – if there is a whiff of exhaust gas , the cylinder-head gasket may be leaking.
Often, a leak will only be apparent when the engine is hot; as the temperature increases, the cooling system pressurises, the coolant finds the weakest point in the circuit and tries to escape. The best way to find this kind of leak is by using a pressure tester.
Your car is overheating.
Lastly, a sure sign of a bad heater core is when your vehicle overheats. This could be due to a blown head gasket or a plugged heater core issue. Do not drive your vehicle if it continues to overheat, and make sure to bring it in to your local automotive repair shop as soon as possible!