Taking care of your car on a regular basis is the best thing you can do. Although standard maintenance is designed to keep your Mazda CX 30 running smoothly over time, some unexpected breakdowns can add heavily to your annual motor vehicle budget. Today we’re going to focus on your sense of smell, and the clues it can give you about a possible malfunction, that’s why our team has created this content to help you in the event that you detect a burnt plastic smell originating from your Mazda CX 30 . To help you check that it is nothing severe, first we will detail the different things that can generate a burnt plastic smell on your motor vehicle, then, in a second step, how to find the origin of this burnt plastic smell on your Mazda CX 30? .

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The different possible sources and risks of smell of burnt plastic on a Mazda CX 30

So we start our content page with the different possible sources of burnt plastic smell on a Mazda CX 30 . In general, noticing a plastic or rubber smell is hardly ever a good indicator. Indeed, recent cars are full of it and it could be the sign of a critical malfunction. Down below we will talk about the different possible origins of burnt plastic smell:

  • Transmission oil: This is the main possible source of such an odor. Indeed, the objective of gear or transmission oil is to lubricate the different elements of your gearbox so that all the gears and pinions are not damaged, it also has a second objective as a temperature regulator. However, in the long run, the oil will lose its effectiveness and will not lubricate the parts and regulate the temperature as well, which will bring about the oil to overheat and thus give off that burnt plastic smell on your Mazda CX 30. You risk pre-wearing your gearbox if you don’t take care of it.
  • The accessory belt: Although rarer, it is possible with wear and tear that your belt, which is principally made of rubber, will degrade and no longer rotate entirely on its axis. With the friction that this will bring about the plastic will heat up and burn out, this reaction will create a strong smell of burnt plastic or rubber in the engine unit block of your Mazda CX 30.
  • Defective hose wear: This circumstance occurs specifically on Mazda CX 30 that are starting to get a few years old or that have stayed a long time without rolling. In fact, storing your car unlike what you might believe will bring about the plastic parts to wear out more fairly quickly. Hoses are the first to be affected by this phenomenon. The rubber will disintegrate little by little and with the rise in heat of the fluid that circulates in it, it may melt. The risk of this issue is the breakage of the accessory belt.
  • A body component: Less general, specifically present on Mazda CX 30’s that have suffered a small shock. Following a front or rear impact, wheel arches, bumpers or other plastic body parts that may have been bent may rub against one of your wheels and give off that burnt plastic smell. This may also pre-wear out your tyres.

How to identify where the smell of burning plastic comes from on a Mazda CX 30?

And now, to finish our content, we’re going to try to help you find the source of the smell of burnt plastic on your Mazda CX 30 . Now that you know the different possible origins of this smell, we’ll just have to do some checks to eliminate the tracks that don’t concern you and solve your issue quickly. If your Mazda CX 30 smells hot, don’t think twice to go through our content on this topic.

  • Transmission oil: Nothing could be less complicated, open your transmission oil cap (when cold) and check that your oil is reddish in colour and fluid enough. If you discover debris inside, and it is darker, it’s time to change it. Do not think twice to seek advice from our content to identify how to change the gearbox oil on a Mazda CX 30.
  • Accessory Belt: Visually check that your accessory belt is not in poor state, it may also produce a whistling sound if it is in poor state. Do not think twice to change it.
  • Hoses: For hoses, you will need to visually check all your hoses to discover if any are frayed or melted. If this is the circumstance, change them.
  • Body parts: Last but not least, the last element that can bring about the smell of plastic or burnt rubber on your Mazda CX 30, a body component, check all wheel arches, that no component rubs against

    In the event that you have any additional questions about the Mazda CX 30, do not hesitate to consult our Mazda CX 30 category.