overheat Infiniti QX4
Yesterday my dad was driving the suv at a shopping mall in slow speed and all of the sudden the car's temperature gauge went from been normal temperature to hot. My dad stop the car and open the hood and we notice that the side of the passenger seat their was a little smoke coming out of a tube near the A/C inside the hood. My dad thinks it is the A/C that is malfunction that cause the vehicle to overheat. Today the corking perfectly and is at normal temperature but their is still a smell of something burning that comes out of the A/C inside the car. What do you think happen? By the way th
Experienced mechanics share their insights in answering this question :
Hi there:
There are several issues that may have caused the vehicle to overheat ranging from a leak in the cooling system, to air bubbles or some other blockage in the coolant lines. In regards to the smoke coming from near the AC, that was most likely the overflow tank and steam caused by the overheat. When radiator coolant gets too hot, it can develop a pretty harsh smell that stays around for a while.
I think you’re best bet is to contact a local mechanic, such as one from YourMechanic, so they can inspect your coolant system to diagnose your overheating problem.
How to Identify and Fix Common car Problems ?
Our sources include academic articles, blog posts, and personal essays from experienced mechanics :
Leaking Coolant: This is one of the most common reasons that cars overheat. That`s because once all the coolant leaks out, there`s nothing but the air from outside to keep your engine cool. Check for any leaks below you car, and place a piece of paper under where it`s leaking to see what color it is.
The heat loss could be due to a bad heater core or it has air bubbles around it, more likely the latter. While you`re driving the car, as your coolant system cycles through it will come into contact with those air bubbles causing your engine to overheat.
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.
Why does my G35`s engine overheat? There are two main causes for engine overheat: The coolant does not flow through the system like it should. There is not enough air flowing through the radiator.
Bad Fuel Injectors
The lack of fuel means that all the pistons aren`t firing, and the ones that are work harder to make up for the others. That leads to overheating. Fuel injectors get clogged by buildups of deposits in the injector nozzle and is a common cause of diesel engines overheating.
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.
One of the most commonly reported problems with the Infiniti Q50 is a failure of the steering wheel lock mechanism. This problem typically occurs when the car is parked, and the driver attempts to start the engine. In some cases, the steering wheel lock may become stuck, preventing the car from starting.
The lack of acceleration could be caused from the vehicle actually overheating which could have lead to serious engine damage. A proper cooling system diagnostic should be performed by a qualified technician.
A thermostat that is stuck open can cause the engine to run colder than normal and turn on the check engine light. It may also cause poor fuel mileage and the heater to blow cool air. A thermostat that is stuck closed will cause the vehicle to overheat.
It`s usually noticed if your coolant is low, but low oil can also cause the engine to overheat. This can occur even if your coolant level is fine. If there is too little oil in the engine, it will continue to heat up because it has no opportunity to cool.
How long can a car overheat before damage occurs? It only takes 30-60 seconds of overheating for permanent damage to infiltrate a vehicle. As soon as you notice signs of overheating, you need to act. Failure to do so might result in troubles like coolant leaks, damaged radiator caps, and a faulty cooling fan.
May cause overheating. Also, a dirty air filter will not be able to provide the oxygen needed to provide a proper air-fuel mix. This can cause the temperature of your engine to rise to dangerous levels. Eventually, your vehicle`s engine could overheat which could lead you to the side of the road.
An overheating car engine can result in serious—and expensive—damage. Learn what warning signs you should look out for here. If your engine has experienced damage from overheating, you may notice symptoms like burning scents, fluid leaks, or (in a worst-case scenario) a cracked engine block.
Repeated overheating can be a sign of serious engine damage. Repeated use of an overheated engine can accelerate that damage rapidly. In extreme heat, core parts of the vehicle`s engine can crack, warp, and fail — resulting in instant death to your vehicle`s powerplant.
If you`ve only popped out on a short drive in town, the radiator won`t be all that hot at all, and should cool down within 20 to 30 minutes. However, if you`ve been gunning it on the motorway, you can expect to wait around an hour for the radiator to cool down enough for it to be safe to handle.
Water will NOT keep the engine running cool enough. It will boil and evaperate quickly as well. If you use regular tap water instead of DISTILLED water to mix with the antifreeze, then the minerals in the tap water will collect inside your engine, radiator, and heater core…
Do you need to use a coolant of the same colour? The answer to this is a firm `no`. Because coolants are no longer classified by colour, it`s impossible to tell if two products will mix safely within the system.
The upscale brand to Nissan, Infiniti offers a mixed bag of some stylish and some long-in-the-tooth models. Fit and finish is usually very good, and the powertrains are typically strong. Like most manufacturers, the brand has been focusing on supplementing its SUV offerings with the QX50, QX55, QX60, and QX80.
If you select a quality model, the average Infiniti will last about 200,000 miles. They can last more if you take proper care of the vehicle. Infiniti has a quality lifespan, especially for a luxury brand. Although reviews are mixed, you can depend on the newer models to get you through a chunk of life.
Yes, engine coolant does go bad. Older fluid may cause acid buildup, may become contaminated by rust or scaling, and may have reduced resistance to boiling and freezing. Deteriorated coolant/antifreeze may cause your engine to run hotter than normal or keep the engine from starting in colder temperatures.
Start your car`s engine and allow it to idle. Look through the radiator filler neck to see if the coolant flows. At this time, it should not be flowing as your car has not reached the operating temperature to cause the thermostat to open. If you find the coolant is flowing, it means the thermostat valve is open.
Also called heat illnesses, there are several forms of hyperthermia. Heat cramps are fairly mild, whereas heat exhaustion is more severe. Heatstroke is the most serious form of hyperthermia and can be life-threatening.
That said, a severely overheating engine can cause the cylinder walls or the pistons themselves to warp, bend and deform. This will cause the perfect seal between the piston and the rest of the engine to lose integrity. Oil could be forced past the piston rings and into the engine, where it will burn the oil.
Relevant Questions and Answers :
the most relevant questions and answers related to your specific issue
2003 infiniti fx35 rear wheel bearing fits other Infiniti vehicles?
ANSWER : The best way to find out is to have an Infiniti dealer parts department see if they can cross reference the bearing part number to see if it applies to another vehicle. As to the ones you mention, the FX35 and G35, they list completely different hub and bearing part numbers. So as far as the FX35 and G35, the bearings are not interchangeable.
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A/C compressor needs to be replaced on my 2008 Infinity M35. Would you save money and use an after market part or use Infiniti? 2008 Infiniti M35
ANSWER : Hi there – there is actually a 3rd answer that is best. Infiniti doesn’t make AC compressors (nor does most any other auto manufacturer). These are made by 4Seasons, Sanyo, Denso, Hitachi, etc. Replacing the compressor correctly means getting an original AC compressor supplier part, which probably won’t have an Infiniti sticker on it. Still the original spec part, and your best value long term. I recommend an AC compressor replacement performed by a mobile, professional mechanic, such as one from YourMechanic, who will come to your location, diagnose this problem, and give you an accurate assessment of damage and cost estimate for repairs.
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Where is the Crankshaft Position Indicator on a 1998 Infiniti QX4?
ANSWER : The crankshaft position sensor is typically externally mounted on the engine near the crankshaft pulley. I would recommend checking near the crankshaft pulley for this answer. If you need help with the replacement of the crankshaft position sensor, I recommend enlisting the assistance of certified professional, like one from YourMechanic, to help you.
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How many crankshaft position sensor are there? 2002 Infiniti QX4
ANSWER : Hello – there is only 1 crankshaft position sensor on this engine. It is located on top of the transmission bellhousing at the rear of the engine (driver side). For assistance, I recommend a crankshaft position sensor replacement performed by a mobile, professional mechanic, such as one from YourMechanic, who will come to your location, diagnose this problem, and give you an accurate assessment of damage and cost estimate for repairs.
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overheat Infiniti QX4
ANSWER : Hi there:
There are several issues that may have caused the vehicle to overheat ranging from a leak in the cooling system, to air bubbles or some other blockage in the coolant lines. In regards to the smoke coming from near the AC, that was most likely the overflow tank and steam caused by the overheat. When radiator coolant gets too hot, it can develop a pretty harsh smell that stays around for a while.
I think you’re best bet is to contact a local mechanic, such as one from YourMechanic, so they can inspect your coolant system to diagnose your overheating problem.
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My 1997 infinity qx4 3300 will not shift into 3rd gear it just drives at a high RPM’s the faster I go the higher the RPM goes
ANSWER : Hi there. In most cases, when a transmission will not shift into higher gears, it’s due to transmission fluid problem; either it’s obstructed in the hydraulic lines, a torque converter issue or inner seal that is damaged. I’m not quite sure what you’re referring to in regards to "Put a new blocar in" – but, if the shifting issues occurred right after that service, it’s possible that is the source of your problem. You might want to have a professional mobile mechanic come to your location and complete a car is hard to shift inspection.
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I wanna put irocs on my infinity but i dont know what adapters i should buy 2005 Infinity G35
ANSWER : Hello – your Infinity has a 5-lug, by 4.5" diameter bolt pattern for the wheels. Depending on which IROC wheels you have access to, they may or may not fit your Infinity directly. Check (1) the bolt diameter and offset (positive or negative) of the IROC wheels to be sure they will fit your hubs without an adapter (or will require an adapter), and (2) the offset of the IROCs will fit without rubbing against the struts or other suspension components. Good luck with your project!
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Radiator fans come on but very briefly. 5 seconds at the most. The car overheats when I get off the highway.
ANSWER : The first thing is to make sure the cooling system is indeed full. When the heat turns cold, this could be an electric problem or there could be an air bubble in the cooling system. A low cooling system can also affect the fan operation. The best method for checking the cooling system level is to remove the radiator cap first thing in the morning before you start the car. If coolant isn’t showing just under the radiator cap, top it off and make sure the coolant overflow container is filled to the appropriate mark.
If the cooling system is full, and the fan still turns off after five seconds, the cooling fan circuit will need to be diagnosed. With a symptom such as yours, it indicates there is a bad connection in one of the components of the cooling fan circuit. It is very common for electrical circuits to develop weak spots that fail shortly after they are turned on. Heat will build at the bad connection and stop electricity to flow. When the circuit is allowed to cool, it will again operate for a short time.
Possible component failures include the radiator fan, radiator fan relay, radiator fan switch, a bad connection at a connector and a fuse with a bad connection. The best spot to begin diagnosing the cooling fan is to pull the radiator fan relay and use a test light to check that the proper circuits are supplying power as well as use a jumper wire to supply power and or ground to the cooling fan to test the fan operation. Testing of this sort requires a wiring diagram, a test light and an understanding of electrical theory.
If you should require assistance with this, I would recommend having your car’s overheating issue inspected at your home by one of our mobile technicians.
Good luck!
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