Should the tensioner pulley move?
It’s normal for it to move a little. That is to say it’ll rotate on it’s pivot. Subsequently, question is, should a belt tensioner wobble? A bad belt tensioner spring will often cause the tension arm to bounce up and down with the cycling of the motor.
How do you clean a crank pulley?
use dish soap(dawn) and mix up like a table spoon to 1/2 quart water. I use a old squirt bottle and with engine at idle squirt the point where the belt comes in contact with the pulley. Watch out for the fan and ect and splash back from the soapy mix. Do that to each pulley/belt contact points.
What causes pulley misalignment?
This can be due to idler drag, low installation tension, belt wear, degradation of the tensioner spring, a belt that’s too long, seized bearings, or contaminants of the same type that cause chirping. Additionally, if the belt is wet from getting splashed, it could lose traction.
Can a bad belt pulley cause a car to break?
In more severe instances, a bad tensioner pulley can cause the drive belt to break. Failure of the Belt-driven Accessories to Operate Since the belt tensioner keeps the proper spinning of the drive belts in the car’s engine, certain components or accessories may fail to operate if there’s a problem with the tensioner.
Why is my Toyota 4 Runner not running?
The failure of this interlock is often caused by something as simple as a fuse. Locate the fuse box on the vehicle. The location varies with the year and model of 4runner you’re driving.
What happens when the knock sensor fails on a Toyota 4Runner?
As sound travels in waves, the output produced by the knock sensor is an AC signal. If and when the knock sensor fails, not only does it trigger the 52 code and turn on the check engine light, your 4Runner will suffer bad gas mileage, lower power, and hesitation during acceleration.
What does the pulley on a belt tensioner do?
The pulley is what allows the movement of the drive belt. The spring keeps the drive belt in its correct tension. The tensioner arm is a mechanism that allows for the adjustment or the removal of the drive belt. It delivers enough slack on the drive belt for easier adjustments. The base is what holds all the different parts together.
https://www.youtube.com/watch?v=0b14jvvGsFM