Coming accross repeated noises on your car tends to be distressing, a motor vehicle is so elaborate that it is most of the time difficult to identify its source and even more challenging to find the part that motives it. In case you too have previously faced a cold engine noise on your Lexus RX, we can surely help you. In fact, we made the decision to produce this content page to be able to inspect the main motives of an engine that rattles when cold on your Lexus RX. First we will take a look at engines that is rattling only at start up, then because of improper oil and finally because of glow plugs.

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The engine of my Lexus RX is rattling only when starting

If the engine of your Lexus RX produces a cold rattles, specifically when starting and which disappear before long afterwards, it is possible that your engine lubrication is responsible. In fact, the oil strainer (the part that sucks up the oil and makes it rise to the top of the engine) can be broken and therefore take some time to make the oil rise when it is still very viscous. If this is your case, after a few tens of seconds the engine that slams your Lexus RX should go back to normal functions because the lubrication of the engine will be done naturally, make sure to check the condition of the engine.

Engine of my Lexus RX that rattles when cold because of too fluid oil

Another situation which can explain an engine which cold rattling on your Lexus RX is that during an oil change the choice of oil was not perfect, in reality, engine oils differ on their viscosity, which we will compare with the “W” value, the higher this value is the thicker the oil will be and vice versa. If a too fluid oil has been picked, it is possible that when cold, the lubrication it allows is not good enough to limit engine slamming, compare the oil used and the oil suggested by the manufacturer, if your engine clicking is strong or if it persists on your Lexus RX, do not be reluctant to swap it with the right oil.

Engine that rattles when cold on my Lexus RX cause of the glow plugs

If you have a diesel engine, your engine is rattling when cold, and it has problems starting when it is cold, it may be your Lexus RX glow plugs that are at the end of their life. In fact, a dead spark plug will cause the associated cylinder not to heat up and will create a stronger rattles on an engine Lexus RX, so take into account diagnosing the state of your spark plugs separately using a multimeter, it may be that only one is concerned like all of them. Here, we have described to you, the main motives of an engine that cold slam on a car, do not be reluctant to consult our page specialized to your car to find extra information on all the breakdowns associated with your vehicle.

In the event that you have any additional questions about the Lexus RX, do not hesitate to consult our Lexus RX category.