I took the car to the dealership and they fixed the cooling system but i still have a burning smell. The coolant was the actual cause of the smell but when i run the car hard like 90 for like 30 min it has this burning smell is this a big problem?
Any type of burning smell can be a cause for concern. This could be a number of thing. Did they do an oil change when they had the car? It could be a leaking filter. I would not be shy about returning to the place where it was repaired and have it double checked. Don't forget you paid for this work and deserve to have it fixed properly. I hope this helps
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Re: Front End has a burning smell.
When a coolant is heated, it usually gives off a smell of a burning wire or a hot rod, but this will depend on what coolant you are using. It is either the coolant dripping to a hot part of the engine or the old replaced coolant still has some left on a hot part of the engine. some says evaporated coolants are dangerous, but that will, like what i said, depend on what coolant you are using. you may wan to consult the dealership that serviced your car and have it cleaned / checked.
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It sounds like a bad radiator cap. The system is pressurized to obtain hotter temps without overheating. And because of this when the engine get to its operating temp. the engine has expanded. When you shut the car off the engine cools down or contracts. As it does if the cap is bad air is drawn into the system causing the problem you have. To fix this when the engine is cold remove the cap and leaving it off completely fill system turn on heater and run engine until the coolant stops spilling out, make sure you keep adding coolant during this process when needed. Once the spilling has stopped that means the air is purged. Carefully put your finger in the water to see if its hot(should be) feel the heat from the heater (should be hot) install NEW cap and that should do it.
If the water pump and thermostat have been replaced and the system has been properly refilled and bled , the only thing left is the radiator. If coolant is not flowing through it properly , vehicle will run hot. If your car has overheated to the point of boiling over , your new thermostat may now be damaged again.. As for the fans , they only come on when the coolant reaches a certain temprature. Under normal driving conditions , they would not need to come on while the vehicle is moving , as the air flow from driving down the road would be enough to cool the engine.
CHECK AROUND EXHAUST MANIFOLD AROUND THE ENGINE LOOK FOR OIL LEAKS AROUND VALVE COVER GASKET AREA LOOK FOR COOLANT LEAK ON EXHAUST MANIFOLD.CHECK FOR OIL LEAKS ON FRONT SEAL ON CRANKSHAFT TIMING COVER.
pls. check your ac compressor magnetic clutch attached in front of ur compressor if its working/ ac clutch engage when u turn the ac switch on and disengage when u turn the ac switch off/ it normally makes a clacking sound when it engage with the rotation of ur compressor/ if its not engaging it means ur magnetic clutch is stuck up giving excessive load to ur engine thats why it overheats/ it smell burnt because its magnetic coil is fried/ or check cooling system of ur car might be that coolant is empty/ fan is not working/ radiator is clogged or thermostatic valve is stuck blocking coolant flow....
The anti-freeze smells like it burning because it is coming in contact with your brake pads (will contaminate pads and reduce life and increase stopping distance, exhaust system (most likely cause of burning smell), or some other hot spot on the the engine.
You should resolve this as it will cause over heating as the system can not properly pressurize and reduced coolant level.
Do you have oil in the coolant tank? Is your coolant greyish in color? If so then your headgasket is in deed blown. If you do not see a leak, and you are sure that the air is bled out, then the engine is burning your coolant and it is going out the exhaust. When bleeding the cooling system it helps to raise the front end of the car higher than the back end, any air in the system will make it overheat. Hope this helps, let me know
This is most likely a blown heater core. It's almost sweet smelling, correct? If so, have your mechanic or dealership check it out right away, this will cause a low coolant and possibly an overheating issue.
The turbo will not cause overheating. Check the thermostat in the cooling system is working and then smell the coolant with the engine running. If you smell exhaust gases in the coolant it could be the head gasket.