A noise from the turbo on the Toyota Highlander 2 can worsen and cause major malfunctions, sometimes breaking the turbo. It is therefore necessary to understand what caused the problem to take the necessary measures. At first we will discover various Tricks to properly maintain the turbo, then what will be causes of these sounds and how to fix them.
Turbo noise: a few tips
Turbo malfunctions can be avoided. In this sense, you will find solutions below to maintain it well or change their behavior in order to preserve it. In order to preserve the turbo of your Toyota Highlander 2, we advise you not to accelerate during ignition. Wait for the engine to start before accelerating. Check the oil level every 30 000 km approximately. The sewage of course have a positive effect on your turbo.
Turbo whistling on the Toyota Highlander 2: what are the causes
We will now take a tour of the most common sounds on the Toyota Highlander 2. In this way you will be able to correctly identify the cause of this noise in question.
The turbo of your Toyota Highlander 2 makes noise all the time
If the turbo makes noise under any circumstances, there is definitely a problem. This noise comes from the pressurization of the turbo. This is usually related to a lack of lubrication of the mechanism. Take it to a garage for an in-depth audit. If the turbo of your Toyota Highlander 2 is permanently damaged, you will probably have to replace it. Usually this problem is accompanied by an indicator light on your dashboard.
Toyota Highlander 2: Acceleration noise
The turbo of your Toyota Highlander 2 sounds like a whistle when you accelerate. This problem can arise from two major situations. This is probably due to a supply hose or the pierced exchanger. It is plausible that the noise we hear is more like a breath than a whistle sound. In this situation, a visual check will be required to discern the malfunction. You can change the hose if necessary, or change the exchanger if it is pierced.
Toyota Highlander 2: Noise on deceleration
If the turbo of your Toyota Highlander 2 ever generates noise when decelerating, the turbo is still running! There is no real reason for the turbo to generate noise just when decelerating. The sound of the engine block probably covers that of the turbo as soon as you accelerate. It is nevertheless plausible that your engine block produces a sound as soon as you release the accelerator pedal, but it certainly does not come from the turbo. No doubt an admission problem?
Toyota Highlander 2: Metallic turbo noise
A metallic noise from the turbo of your Toyota Highlander 2 comes from a mechanical problem. This means that your turbo is in bad condition! Do not wait too long before going to a garage. Breaking the turbo can cause much larger malfunctions, and it's expensive to replace.