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. Too-tight exhaust manifold bolts can cause the manifold to crack.

What is a torque wrench and when should you use it?

What is a Torque Wrench? A torque wrench is a tool used specifically to adjust nuts and bolts. It offers additional leverage for tightening difficult and hard-to-reach parts, making it a go-to piece for auto mechanics, electronics specialists and machinery repair professionals.

What do you use a torque wrench for?

A torque wrench is a tool used to control and apply a specific torque to a fastener such as a bolt or a nut. It is a fundamental element in general mechanics, tire changing operations and industrial maintenance & repair industries, to ensure customers' safety.