Why don’t you use an impact wrench when tightening an engine bolt?

0
6142

If you use your impact wrench to tighten a nut or bolt that is cross-threaded, you’d end up damaging the threads further – irreparably so. The best way around avoiding this damage would be to manually thread the bolt or not in the required manner prior to using the impact wrench.

Read the full answer

While impact wrenches can be used to tighten lug nuts, it’s usually not recommended because there’s always the possibility of using too much torque. … The best way to tighten wheel nuts, bolts, or fasteners is to use a torque wrench and do it manually, which gives you greater control over the torque setting.

Beside this, Can you torque with an impact wrench?

Short of manually using a torque wrench like woodchips recommends, you don’t. The point of an impact driver is not to apply a consistent torque. It is to apply more torque than can be obtained from a traditional driver. One of the more common uses is to loosen seized up, or over-tightened bolts/screws.

Likewise, Do you need a torque wrench to tighten lug nuts?

While a torque wrench is not absolutely required, it’s a good idea. You need to ensure the wheel is evenly clamped onto the hub. This prevents the wheel from warping and causing other issues. Using the lug wrench which comes with the car will get you down the road.

Also, How much torque do I need in an impact wrench?

Through a pneumatic impact wrench, you can attain about 300 – 2200 N-m (220 – 1620 ft-lbs) for tightening. For larger fasteners, you’ll have to move for a greater amount of torque for sure. In general, the installation/removal of common rims is likely to require a 100 N-m (73 ft-lbs) only.

Is a torque wrench really necessary?

That’s why most owner’s manuals have a torque specification for lug nuts. If you plan to do any major work on your engine or on some major powertrain components, you absolutely need a torque wrench. Overtightening cylinder-head bolts, for instance, can easily cause expensive damage and catastrophic coolant loss.


15 Related Question Answers Found

 

How do you tighten a lug nut without a torque wrench?

With the tire back on the ground, use both hands to tighten the lug nuts in the proper order. Don’t tighten each one as hard as you can, try to adjust each nut a little bit at a time until they are as tight as possible using your two hands and pulling on the crossbar as hard as possible.

How much torque does an impact wrench need to remove lug nuts?

If you tighten a lug nut to 100 ft-lbs, you should be able to immediately remove it using a tool that can deliver 100 ft-lbs of torque. There are some factors that might make this untrue, but under ideal conditions, a fastener tightened to a certain torque should require similar torque for removal.

Can I use an impact wrench to tighten lug nuts?

While impact wrenches can be used to tighten lug nuts, it’s usually not recommended because there’s always the possibility of using too much torque. … The best way to tighten wheel nuts, bolts, or fasteners is to use a torque wrench and do it manually, which gives you greater control over the torque setting.

Can you use impact wrench as drill?

Impact drivers are for driving fasteners, not drilling holes. However, in a pinch, if you have the proper bit, you can drill a hole in light-gauge steel or softwood with a standard hex-shank drill bit.

What size impact wrench do I need for lug nuts?

Either 3/8” or ½” will work just fine on lug nuts, with ½” being more common and powerful and a bit more expensive. Since you might want to fit other sockets to it occasionally (besides what fits your car’s lug nuts), it is good to consider the size of other sockets you already own.

Should you use an impact wrench to tighten lug nuts?

While impact wrenches can be used to tighten lug nuts, it’s usually not recommended because there’s always the possibility of using too much torque. … The best way to tighten wheel nuts, bolts, or fasteners is to use a torque wrench and do it manually, which gives you greater control over the torque setting.

Can you use an impact driver as a hammer drill?

Impact drivers have a freakish amount of torque, but they are not designed to be used like a regular drill or hammer drills. Impact drivers are best suited to driving screws and fastening nuts and bolts.

What can an impact wrench be used for?

What is an Impact Wrench? An impact wrench is a power tool used for loosening or tightening lug nuts, large bolts, and frozen or rusted fasteners. They provide a very high rotational torque that a regular power driver cannot provide.

Can you remove lug nuts with an impact driver?

Can an Impact Driver Remove Lug Nuts? Yes, technically. You would need to use a hex shaft to square drive adapter in order to attach a lug nut socket to the tool. However, an impact driver may not have enough torque to break loose a lug nut that’s rusted/frozen or over tightened.

How much torque do you need for lug nuts?

And when you look at that, and realize that the average torque required on a lug nut, to hold the wheel on, is 80 to 90 ft-lbs, well you can imagine how over-tightened some of these lug nuts are. Now that’s a problem because it almost guarantees warped brake rotors.

What size impact wrench do I need to remove lug nuts?

Either 3/8” or ½” will work just fine on lug nuts, with ½” being more common and powerful and a bit more expensive. Since you might want to fit other sockets to it occasionally (besides what fits your car’s lug nuts), it is good to consider the size of other sockets you already own.

Will a 1/4 inch impact driver remove lug nuts?

An impact DRIVER with a 1/4″ hex chuck is typically used for fastening smaller screws and bolts and similar. Further, a smaller impact WRENCH (3/8″ square drive or smaller 1/2″ square drive model) may not have the torque or power necessary to remove lug nuts from a vehicle.


Last Updated: 17 days ago – Co-authors : 11 – Users : 9

LEAVE A REPLY

Please enter your answer!
Please enter your name here