Why is my front drive shaft turn in 2WD?

No, your front driveshaft will not spin freely in 2wd. Your front axle and driveshaft are always locked and spinning when your vehicle is moving. When you engage the 4wd in the transfer case it then gets power transfer along with the rear wheels.

Why does my Silverado 4WD not fully engage?

It feels like it gets some power to the front wheels but they never fully engage. No service 4wd light comes on and 4wd buttons all work as they should. The hubs lock when 4wd is selected, and the truck shifts into low gear when 4lo is selected. The front wheels simply do not get the power that they should.

What to do if your actuator is not working?

The actuator might be failing and not extending fully. Try jacking up the front end, reach through the actuator fitting hole, depress the actuating “button” with a long screwdriver and turn the driver’s side wheel. You should be able to feel if the axle is engaging. If it doesn’t engage, the problem is inside the front differential.

What to do when your front axle won’t engage?

Try jacking up the front end, reach through the actuator fitting hole, depress the actuating “button” with a long screwdriver and turn the driver’s side wheel. You should be able to feel if the axle is engaging. If it doesn’t engage, the problem is inside the front differential.

Why does my GMC Sierra 2500 not fully engage?

I have a 2000 gmc sierra 2500. The 4wd drive does not engage fully. It feels like it gets some power to the front wheels but they never fully engage. No service 4wd light comes on and 4wd buttons all work as they should. The hubs lock when 4wd is selected, and the truck shifts into low gear when 4lo is selected.

What happens when the actuator on a Chevy Silverado stops working?

The axle actuator in Chevy Silverado. When the actuator stops working, you’ll know because you won’t be able to lock the front axles. This makes for a very ineffective 4WD system, and prevents power from being transmitted to all four wheels. The good news is replacing an axle actuator is simple and can be completed by the average DIY’er.

Where is the 4WD axle actuator located on a Chevy Silverado?

This article applies to the Chevrolet Silverado GMT800 (1999-2006). The 4WD axle actuator is located underneath the front end of your truck, and is naturally exposed to dirt, debris, salt, or other road threats.

What happens when an axle actuator stops working?

When the actuator stops working, you’ll know because you won’t be able to lock the front axles. This makes for a very ineffective 4WD system, and prevents power from being transmitted to all four wheels. The good news is replacing an axle actuator is simple and can be completed by the average DIY’er.