Quick Answer: Is A Torque Wrench Really Necessary?

What happens if you dont use a torque wrench?

Too tight and something will break, it may be the thread on the bolt, or much worse the thread on in the hole.

Bolts will also break, sometimes leaving a very hard to remove bit in your frame..

Is it necessary to use a torque wrench?

It is exceptionally important to use a torque wrench when specified by the automotive manual. If the manual specifies the torque needed to tighten a fastener, you need to use a torque wrench and apply the specified amount of torque. Over tightening is just as bad as under-tightening.

Can a torque wrench be used to loosen bolts?

A torque wrench is a tightening tool. It is a very sensitive and precise tightening tool, and should never been used to loosen bolts.

What can I use if I don’t have a wrench?

What to Use if You Don’t Have a WrenchDuck tape. Duct tape is useful in almost any situation but you may be surprised to learn that you can use it to loosen bolts. … Two coins. Who would think that money can be used as a makeshift tool? … Zip-tie. … Another nut and bolt.Mar 27, 2017

How much torque does it take to remove a lug nut?

A quick glance at a lug nut torque chart shows that most lug nuts should be torqued between 80 and 100 ft-lbs. Some require less torque, others more. But for the purpose of this discussion, let’s say that a lug nut must be torqued to 100 ft-lbs. 100 ft-lbs is the same as 1200 in-lbs.

What is the torque spec on spark plugs?

Start by installing the spark plug by hand. Tighten to recommended torque….Plug thread diameterTightening torque18 mm35 to 40N·m (3.5 to 4.0 kgm)14 mm25 to 30N·m (2.5 to 3.0 kgm)12 mm15 to 20N·m (1.5 to 2.0 kgm)10 mm10 to 12N·m (1.0 to 1.2 kgm)1 more row

What happens if you over torque a spark plug?

An over-torqued spark plug can cause stress to the metal shell, leading to thread damage or breakage. Over tightening can also compromise a plug’s internal gas seal or even cause a hairline fracture in the insulator.

How much does it cost to tighten an oil plug?

Run the plug down with your hand until it stops flush with the oil pan. With a wrench tighten the plug very lightly until it stops and is only snug with the pan. Then tighten the plug 1/4 turn.

What wrench do you need to change oil?

Use a properly fitting box wrench or a 6-point socket wrench to remove the plug. Be careful not to rock the socket to the side as this could damage the flats on the bolt.

What kind of wrench do I need to change oil?

combination wrenchThe most common tool used when changing motor oil is the combination wrench. This kind of wrench has both an open side and a closed side. The open end can be used to remove the wrench and position it on the nut. The other side can be used to strip the corners off the nut.

Is a torque wrench necessary for oil change?

If you are new to changing your oil though, use a torque wrench and the proper factory torque specs. It’s easy to over-tighten a bolt and strip the threads if you don’t have practice.

Can you change spark plugs without torque wrench?

Spark plugs, should be torqued to manufacturers specifications. However, it is possible to tighten the plugs satisfactorily without a torque wrench.

What can happen if too much or too little torque is applied?

Insufficient torque When you apply exactly the right amount of fastening force, you can rest assured that the bolt will transfer the ‘hits’ as well as the load of the belt to the bulk of the engine, which will absorb them. … This, in turn, will lead to incorrect belt tension and, eventually, to belt and/or engine damage.

How much does a torque wrench cost?

Comparison of the best torque wrench for carsTorque WrenchPriceBest clicking-style torque wrenchLexivon ½-inch drive$56Best digital torque wrenchGearwrench ½-inch drive$172Best beam-style torque wrenchTooluxe ½-inch drive$24Best overall torque wrenchTekton ½-inch drive$382 more rows•Mar 8, 2021

For what purpose would a mechanic use a torque wrench?

A torque wrench is used where the tightness of screws and bolts is crucial. It allows the operator to set the torque applied to the fastener so it can be matched to the specifications for a particular application. This permits proper tension and loading of all parts.

Why must you always use a torque wrench when tightening alloy wheels?

If the screws are not tight enough, they can come loose whilst driving. If the wheel bolts are too tight, the threads might get stripped or damaged. And this is where the torque wrench comes in. Using a torque wrench enables you to tighten up the wheel bolts to a specified torque.

How tight should a spark plug be?

Installing Spark Plugs – Lawn & Garden Equipment Confirm that the thread reach of the spark plug is the right one for your engine. Tighten the spark plug finger-tight until the gasket reaches the cylinder head, then tighten about ½ – ⅔ turn more with a spark plug wrench.