Taking care of your car all the time is the best thing you can do. Nevertheless classic maintenance is designed to keep your Infiniti QX70 running smoothly over time, some unexpected breakdowns can add heavily to your annual motor vehicle budget. Today we’re going to look at your sense of smell, and the clues it can give you about a possible malfunction, that’s why our team has made this article to help you in the event you identify a burnt plastic smell originating from your Infiniti QX70 . To help you check that it is nothing serious, 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 discover the origin of this burnt plastic smell on your Infiniti QX70? .

smell-burnt-plastic-infiniti-qx70

The different possible origins and risks of smell of burnt plastic on a Infiniti QX70

So we begin our content page with the different possible origins of burnt plastic smell on a Infiniti QX70 . Generally speaking, noticing a plastic or rubber smell is never a good indicator. In actual fact, recent vehicles are full of it and it could be the sign of a critical malfunction. 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. In actual fact, the objective of gear or transmission oil is to lubricate the different components of your gearbox so that all the gears and pinions are not damaged, it as well has a second objective as a temperature regulator. However, in the long run, the oil will lose its performance and will not lubricate the auto parts and control the temperature as well, which will cause the oil to overheat and thus give off that burnt plastic smell on your Infiniti QX70. You risk pre-wearing your gearbox if you don’t take care of it.
  • The accessory belt: Nevertheless rarer, it is possible with wear and tear that your belt, which is mainly made of rubber, will deteriorate and no longer rotate completely on its axis. With the friction that this will cause the plastic will heat up and burn out, this reaction will create a strong smell of burnt plastic or rubber in the engine block of your Infiniti QX70.
  • Faulty hose wear: This circumstance occurs specifically on Infiniti QX70 that are starting to get a few years old or that have stayed a long time without rolling. In fact, storing your vehicle contrary to what you might think will cause the plastic auto parts to wear out more quickly. Hoses are the first to be impacted by this phenomenon. The rubber will disintegrate little by little and with the rise in heat of the fluid that circulates in it, it might melt. The risk of this problem is the breakage of the accessory belt.
  • A body component: Less common, specifically present on Infiniti QX70’s that have suffered a small shock. Following a front or rear impact, wheel arches, bumpers or other plastic body auto parts that might have been bent might rub against one of your wheels and give off that burnt plastic smell. This may as well pre-wear out your tyres.

How to identify where the smell of burning plastic comes from on a Infiniti QX70?

And now, to finish our article, we’re going to try to help you discover the source of the smell of burnt plastic on your Infiniti QX70 . Now that you know the different possible roots of this smell, we’ll just have to do some checks to get rid of the tracks that don’t concern you and resolve your issue quickly. If your Infiniti QX70 smells hot, don’t think twice to browse our article on this topic.

  • Transmission oil: Nothing could be simpler, open your transmission oil cap (when cold) and check that your oil is reddish in colour and fluid enough. If you find out debris inside, and it is darker, it’s time to change it. Do not think twice to consult our article to identify how to change the gearbox oil on a Infiniti QX70.
  • Accessory Belt: Visually check that your accessory belt is not in poor state, it might also make 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 find out if any are frayed or melted. If this is the circumstance, change them.
  • Body auto parts: Last but not least, the last element that can cause the smell of plastic or burnt rubber on your Infiniti QX70, a body part, check all wheel arches, that no part rubs against

    To get more tips on the Infiniti QX70, take a look at the Infiniti QX70 category.