If you’re a gearhead you have probably heard a lot about the 4WD system. You might have also wondered how it works or in which car is it available.
For starters, it’s available in all sizes of SUVs, luxurious trucks, and cars. For example, the Chevy Trailblazer.
Hence, the question arises, What does service 4WD mean on Chevy Trailblazer?
In a 4WD system, the engine’s power is directed to all four wheels for better traction. It provides you with a better driving experience in extreme weather adversities and off-road adventures. To take advantage of 4WD you must be familiar with how it works.
Well, that was just a small overview of the Chevy Trailblazer 4WD Service system. To learn more about how it works and its benefits stay tuned with us. See you at the end of this article.
- 1 What Does 4WD Mean And How Does It Work?
- 2 What Does Service 4wd Mean on Chevy Trailblazer?
- 3 Service 4wd Light Flashing: Troubleshooting
- 4 FAQs
- 5 Conclusion
What Does 4WD Mean And How Does It Work?
Four-wheel drive or 4WD is basically a system designed specifically for off-road driving conditions. It is also referred to as 4×4 (“four by four”).
You can choose the system to be full-time or as long as you need. These vehicles are furnished with output drive shafts and, in many cases, optional gear ranges.
4WD vehicles provide service by supporting torque to four axle ends with two axles.
It helps to increase traction whenever required. They are more hefty and powerful in comparison to other vehicles. They also have a specialty in handling rugged terrain better than other vehicles in the market.
These vehicles are equipped with a special feature called transfer cases. It makes them capable of switching between 2WD and 4WD modes, either manually or automatically.
What Does Service 4wd Mean on Chevy Trailblazer?
Four-wheel drive is one of the most useful features of a car. But it can get quite tricky and tough to handle when you don’t know the roads you’re going to hit.
When a four-wheeler is not available in your car, you’ll have the support of indicator lights. The indicator lights on the dashboard help you to keep track of the roads.
But even with this advanced technology, you can have a hard time with the Service 4 WD system. Chevy trailblazers can also have issues with the 4WD system. You might want to look into Chevy Tahoe transmission issues to better understand.
You might be wondering:
Why is my Service 4WD light on?
If the Service 4WD light illuminates, it gives you a signal about an issue in the system. You would be wrong if you’re thinking that your car just needs a regular checkup. It basically works as a service message.
It starts flashing on the dashboard the moment an issue pops up. The driver faces difficulties in engaging and activate the 4-wheel drive system. This is to remind the driver that the car needs servicing as soon as possible.
The reasons behind the problems should be identified immediately and troubleshot accordingly.
To avoid any accidents and injuries on the rugged terrain, the issues need to be properly diagnosed and fixed. Here are some of the issues which trigger the 4wd service light to come on:
- When there is a problem with the controller or the system of wires providing electric circuits.
- If the motor is dysfunctional or the fork is faulty
- When the speed sensor starts having issues
- When the car starts switching its position
- To activate the front axle on 4wd, there is an actuator available. It engages the system and keeps it locked. When this actuator faces problems or the shift fork is faulty the light will start flashing.
These are the issues that cause the 4wd service light to illuminate. You need to take your car to the workshop and get the problems diagnosed immediately. But if you’re lucky enough, you can also fix it by yourself!
Once the issues are taken care of, and the car is serviced up to date, the service 4wd light will stop flashing.
Service 4wd Light Flashing: Troubleshooting
In this segment, we’ll learn how to clear service 4WD light.
The steps to fix the service 4wd flashing light are basic and simple. You just need to follow the instructions very carefully and pay attention to the small details
Step 1:Turn the ignition on
First, you have to turn the ignition on. To accomplish this, turn the key only as far as necessary to illuminate the various warning lights. But do not start the car immediately.
Step 2: Push the Gas Pedal
Now you have to push the gas pedal three times. If you don’t know where to find the gas pedal, it is located on the floor on the far right. It is basically the accelerator which is also known as the gas pedal.
It monitors and keeps a check on the amount of gas that goes into the engine. As a result, the speed is also controlled and limited by it. You need your hills to rest on the ground and then using your right feet, push the accelerator.
Keep an eye out and notice if any gas comes out of exhaust.
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Step 3: Activate the 4WD
By this time the 4wd will be activated by the service 4wd light. It will appear on the dashboard by switching the 4wd mode on. The service lights will stop flashing and the car is hassle-free and safe to run now.
Step 4: Replace the switch
If the lights still keep flashing on the dashboard, then the problem is not with the car. The service 4wd trailblazer is probably in need of a switch replacement. Well, in that case, you can replace the switch by yourself.
However, if you don’t want to replace the switch by yourself you can take it to the workshop and get it replaced by a certified mechanic.
That should teach you how to clear service 4WD lights on your Chevy Trailblazer.
This is all you needed to know about troubleshooting the service 4wd light when it starts flashing. If you have difficulties understanding our instructions feel free to contact us.
Does Trailblazer perform well in the snow?
Yes, Trailblazer works perfectly fine in the snow. They have a maximum ground clearance of 7 inches and a built-in All-Wheel-Drive. They also got special traction increasing features like ABS, Stability enhancement, and Traction management.
What does it mean when service 4WD illuminates?
If the 4WD light illuminates it, there’s an issue with the 4WD system. Improper shifts in gears can be the other reason behind this light coming on. These issues are dangerous and can damage your engine. It can also result in the 4WD service light flashing abruptly.
How does A4WD work on a TrailBlazer?
“A4WD, AUTO (Automatic Four-Wheel Drive): This setting is recommended for driving your vehicle on a road with varying road conditions. In this setting, the front axle is engaged but the vehicle’s power goes to the rear wheels.
That was all about the Chevy Trailblazer 4WD service system.
If you still want to know more about it you can always call their customer service. Or better, you can drop by their showroom and check the system on your own.
That was all from our end. Good luck
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