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There are a few ways to tell if a tensioner pulley is reverse threaded. One way is to look at the threads themselves. If they appear to be going in the opposite direction, then the pulley is likely reverse threaded.
Another way to tell is by the way the pulley spins. If it seems to be spinning in the wrong direction, then it is probably reverse threaded.
If you’re looking to replace your tensioner pulley, you may be wondering if the threads are reverse. The answer is yes, the threads are reverse. This can be a little tricky to work with, but if you take your time and follow the instructions, you should be able to do it.
Just be careful not to cross-thread the new pulley.

Credit: www.cadillacforums.com
Are idler pulley bolts reverse threaded?
If you’re wondering whether idler pulley bolts are reverse threaded, the answer is no. Idler pulley bolts are not reverse threaded. They are, however, designed to be installed in a specific way.
The bolt heads should be facing the outside of the vehicle so that they can be easily accessed for removal.
How do you loosen a pulley tensioner bolt?
If your car has an automatic belt tensioner, it’s important to know how to loosen the tensioner bolt. This will allow you to remove the old belt and install a new one. It’s a relatively simple process, but if you’re not familiar with it, it can be confusing.
Here’s a step-by-step guide to loosening a tensioner bolt:
1. Park your car in a safe place and turn off the engine. You don’t want the engine to be running while you’re working on the belt tensioner.
2. Locate the tensioner. It will be located near the pulleys.
3. Use a wrench to loosen the tensioner bolt.
You may need to use a ratchet if the bolt is particularly tight.
6. Tighten the tensioner bolt to secure the new belt. 7. Start the engine and check that the belt is functioning properly.
What do I do if my belt tensioner bolt is stripped?
If your belt tensioner bolt is stripped, there are a few things you can do to try and fix the problem. First, you can try using a screw extractor to remove the bolt. If this doesn’t work, you can try drilling a hole in the bolt and using a bolt extractor to remove it.
If neither of these methods work, you’ll need to replace the belt tensioner.
Can you over tighten a tensioner pulley?
When it comes to your car, it is important to make sure that all of the parts are functioning properly. This includes the tensioner pulley. The tensioner pulley is responsible for keeping the serpentine belt tight.
If the tensioner pulley is not working properly, the belt can become loose and cause the engine to overheat.
If you think that the tensioner pulley on your car is not working properly, it is important to take it to a mechanic to have it checked out. It is also important to not try to over tighten the tensioner pulley yourself.
This can cause more damage to the pulley and may even cause the engine to overheat.
How to Diagnose a Loose or Stuck Belt Tensioner on Your Car or Truck
Tensioner pulley removal tool
If you’re like most people, you probably don’t think much about your car’s tensioner pulley – that is, until it starts making noise. Then, it’s all you can think about! The good news is that replacing a noisy tensioner pulley is a relatively easy job, and you can do it yourself with just a few tools.
The first thing you’ll need is a tensioner pulley removal tool. You can find these at most auto parts stores, and they’re not very expensive. Once you have the tool, follow these steps:
1. Disconnect the negative battery cable. 2. Remove the drive belt. 3. Remove the pulley bolt using the removal tool.
4. Install the new pulley and bolt. 5. Reconnect the negative battery cable. 6. Start the engine and check for proper operation.
If your car’s tensioner pulley is making noise, don’t ignore it. Replacing it is a relatively easy job that you can do yourself, and it will save you money in the long run.
Tensioner pulley replacement
If your vehicle’s engine is making an unusual noise, it may be time to replace the tensioner pulley. The tensioner pulley is a small, but important, component of the engine. It is located near the belt and is responsible for keeping the belt tight.
Over time, the pulley can become worn and may need to be replaced.
The good news is that replacing the tensioner pulley is a relatively easy and inexpensive repair. You can do it yourself in about an hour, and you’ll only need a few tools.
Here’s a step-by-step guide to replacing your vehicle’s tensioner pulley.
1. Open the hood and locate the tensioner pulley. It will be near the belt.
2. Use a wrench to loosen the bolt that holds the pulley in place.
3. Remove the old pulley and install the new one.
4. Tighten the bolt to secure the pulley.
5. Close the hood and test drive the vehicle.
If your vehicle’s engine is making noise, don’t ignore it. Replacing the tensioner pulley is a simple and inexpensive repair that can save you money in the long run.
Belt tensioner pulley
A belt tensioner pulley is a small pulley that is used to tension a belt. It is usually located at the end of the belt and is used to keep the belt tight. The pulley is usually made of metal or plastic and is attached to the belt with a set screw.
Belt tensioner pulleys are used on a variety of belts, including V-belts, timing belts, and serpentine belts.
Idler pulley
An idler pulley is a wheel that sits at the end of a belt and helps to keep it tight. It is usually made of metal or plastic and has a grooved surface that the belt can run through. The idler pulley is important because it helps to keep the belt from slipping off of the pulleys that it is running on.
Without an idler pulley, the belt would eventually come off of the pulleys and the engine would not be able to run.
Conclusion
If you’re working on a car with a serpentine belt, you may need to remove the tensioner pulley at some point. And, if you do, you may be surprised to find that the nut on the tensioner is reverse-threaded.
That’s right, the nut turns the opposite way of what you’d expect.
So, if you’re trying to loosen the nut, you’ll actually need to turn it to the right.
Now, some people may find this counter-intuitive, but it’s actually a safety feature. If the tensioner ever fails, the reverse-threaded nut will keep the pulley from flying off and causing damage or injury.
So, next time you need to remove a tensioner pulley, remember to turn the nut to the right. It may feel weird, but it’s the only way to do it.