Owning a Toyota has become a precedent since, if we are to believe the beginning of time, cars became polarised in Nigeria. As one of the most common automakers in Nigeria, Toyota card services are known to be very reliable and easy to maintain, and most owners would attest to these facts. Are you an owner of a Toyota with a 2.4-litre engine and want to know the common problems? Keep reading this blog.
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The 2.4-litre Toyota engine is well known for its high calibre, simplicity of use, motivational performance, and enduring dependability. Yet it has a number of widespread flaws connected to it. Read on to discover the most frequent troubles with the 2.4 Toyota engine, as well as quick repairs and straightforward maintenance advice that can help you substantially prevent problems in the first place.
Thus, the engine went through a redesign over a decade ago, but these faults continue to persist, which is why, before even thinking of changing your car engine or upgrading to another, you need to be aware of the common faults that come with it. Although It still boasts of Toyota’s renowned reliability that comes with each body part of the car, it still dwelled with problems.
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What most Toyota owners don’t know is that a common engine fault can lead to you dropping off your car at the mechanic shop at several intervals, and there is a slight chance that the mechanic will misdiagnose the problem.
Toyota Cars With A 2.4-Litre Engine
- 2002-2009 Toyota Camry
- 2004-2007 Toyota RAV4
- 2009-2010 Toyota Corolla
- 2001-2007 Toyota Highlander
- 2010-2012 Lexus ES240
Since its introduction in 2002, the 2.4-litre engine has been fitted to a huge variety of Toyota models. Although it is known to have occasional faults, it is still regarded as a high-quality engine, and any issues that arise are usually simple to resolve.
Many people believe that Toyota has never created an engine more dependable than this one, and when cared for properly, it should be relatively trouble-free.
Let’s now discuss the 2.4-litre Toyota engine’s most frequent problem areas and some practical fixes you can employ to fix them.
Common Toyota 2.4 Engine Problems
- Excessive oil burning
A car engine that burns oil might not be an issue in the beginning, but when it necessitates so frequent maintenance that every few days it has to be topped up, you realize how much you would be spending. The most typical problem with the 2.4-litre Toyota engine is probably oil burning. It occurs when the piston rings are not positioned properly and often appear after the engine has run for 50,000 miles.
When this happens, you’re using around a litre of oil every 1200 miles, which is not good. That means just a long drive for consecutive days can have you spending more money than you ought to. If you don’t fix this problem, your engine could completely fail. Ensure that the piston rings are properly seated, which can be done by taking the car to the mechanic.
- Weakened threads on the cylinder head bolts
It is possible for coolant to leak from your cylinder head bolts, which would allow the coolant to pass through the head gasket and cylinders. In order to prevent significant harm, you’ll need to take quick action to correct this issue. The fix is straightforward, and the majority of inexperienced technicians can complete the task, but you need to be careful here so that the mechanic who works on your car doesn’t worsen the problem. Although they can be found, cylinder head bolt repair kits are fairly expensive, usually costing between N30,000 and N50,000, so a small repair like this can cost you a lot of money, which is why in the first instance it needs to be done correctly. If more components are required, such as a new head gasket, the cost can go up.
Regrettably, there is no quick or inexpensive solution to this issue. It will be necessary to remove, disassemble, fix, reassemble, and reinstall the engine, and if the mechanic is cunning, just to make more money off you, he may insist on doing so. Engine replacer.
- Engine Overheating
An overheating engine is one of the most common problems with new Toyota engines released into the market. You may only need to add coolant if your 2.4-litre Toyota engine is overheating. The best-case situation is that. Yet it can also point to the need for a radiator flush, a new thermostat, or some other coolant system maintenance. The best course of action in this situation is to bring your Toyota to a good mechanic that can actually give a good diagnosis. You constantly wish for the best, and you can only hope he gets the work done right.
- Broken or flawed piston rings
Oil pressure is controlled by piston rings, which are internal engine parts. The engine’s performance may be impacted by worn, flawed, or damaged rings. Without piston rings, your engine will not run. Also, your automobile will smoke, burn oil, and run poorly if your piston rings are deteriorating.
Hence, you should get your Toyota checked out right away if you see it smoking or smell burning oil before more significant damage occurs. The normal cost of new piston rings is less than N70,000. But the time it takes to replace the worn piston rings in the mechanic’s shop can be 10 hours or longer, which significantly raises the cost you’ll spend.
What’s new for this engine?
The 2.4-litre 2AZ-FE engine, which has been redesigned, first appeared in Toyota automobiles in 2002. It took the place of the 2.2-litre 5S-FE engine.
In 2008, the engine underwent renovation; the new engine’s direct injection system increased the engine’s power and torque. They were able to reach 6500 rpm since the camshafts were also overhauled. The new, redesigned 2.4-litre Toyota engine was redesigned using an aluminium block with cast-iron cylinder liners to reduce engine weight. The 2.4 engine also comes with slant-squish combustion chambers and variable valve timing.
Although the 2.4-litre engine has some faults, as was said, most of them can be found early on with regular maintenance. Because of overheating and other issues with the head gasket, that is encountered numerous 2007 Toyota Camry 2.4 engine problems and 2003 Toyota Camry 2.4 engine problems.
It is essential that owners of these vehicles, as well as those produced from 2002 to 2008, seek professional assistance as soon as they notice warning indications like the smell of burning oil or smoke coming from the exhaust. The cost of the repair will decrease, and the likelihood of more significant problems decrease the faster it is completed.
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