Torque wrench torque for alloy

I have finally decided to get a torque wrench. Does anyone know what the torque is for a bolt into alloy? Like a crank angle sensor bolt.

Thanks.

 

just do them up by hand. just hold onto the head of your 1/4 ratchet and nip them up.

 

i would guess around 17 nm though

 

The correct answer is every bolt has it's correct torque in the service manual. Although you will find a generic chart by doing a google search it does not take into account the different bolt materials and what they are going into. If you every watch a mechanic do up bolts and he doesn't use a torque wrench run the other way , he may be a mechanic but he is not a good mechanic. It's the little things that count and torques are very critical in some situations. If there is no way of finding the correct torque then revert back to the generic torque rather than just tightening things with a ratchet. Also rattle guns are great for undoing bolts but you will never get a correct torque with one. Watch a old time tyre place do it loose with the rattle gun then pull out the torque wrench. It is truly a sight to see.
Just my 2 cents worth Dave

 

Page EM-13, 3.7-5.0 Nm / 2.7-3.7 ft-lb.

I prefer to work in ft-lb's, using the 1/4" drive socket handle that is shorter than a foot, you can sort of "weigh" the force you are using, divide lb's by two and that gives you a close Kg weight, so 3 ft/lb on a 1/4" socket handle is about 1.5 Kg force all things being square, not very much.

Torque wrenches and screw drivers are available in that range and are still expensive.

 

That sort of torque can be done by hand . Just dont be heavy handed nip a little at a time .

 

Umm... Im an aircraft mechanic by trade. Im also a qualified motor mechaic (dual trades) and have dozens of mechanic friends and aquaintences.

Knowing what i know, and on that rationale above......Id say youll be running for the rest of your natural life..................

Sorry, way it goes.

E

 

The torque off a bolt is not what it fastened into but the twist/streach off the item been torqued,

ross

 

I must say apart from head bolts I have always done other bolts up by hand and I have owned many cars in my life and none of them fell apart :zlove:

Just use your common sense and not over do things . You would need a smaller torque wrench to do up those tiny little TPS bolts . IMO not worth the bother .