Torque wrench

[Mad Maximus]

I have a big nut to do up soon. 300nm.

My wrench only goes to 210nm.

If I measure the angle distance from 100nm to 200nm could I just add the angle on again and should that equal 300?


Xc90 bottom crank nut after cambelt change for those interested.

[bunchofkeys]

I don't think it works like that OP, otherwise how about the angle distance between 0-100? Just get a new tool.

[darreni]

I can’t answer your question, but when I had to replace the front hubs on my M3, I bought this:

https://www.amazon.co.uk/Sealey-STW905-Torque-Micr...

[SlimJim16v]

Or you could get this

https://www.amazon.co.uk/dp/B0CNXMK9KT/

[Mad Maximus]

bunchofkeys said:

I don't think it works like that OP, otherwise how about the angle distance between 0-100? Just get a new tool.

I don’t think it does either but I overthink quite often so just double checking. I was looking at 1 to 200 as that’s easier to measure than finding 0 to 100. Anyway never mind. I’ll have to find a suitable wrench.

[Mad Maximus]

darreni said:

I can t answer your question, but when I had to replace the front hubs on my M3, I bought this:

https://www.amazon.co.uk/Sealey-STW905-Torque-Micr...

That’s cheaper and better than what I had found. Thanks.

[paul_c123]

Do it to 210 then just nip it a bit more. If you're underconfident with that approach then you could rig something up to apply, say, 60kg at 50cm with a breaker bar or whatever.

Are you sure its not a torque-to-yield bolt? If it is, and you want to re-use it, I'd be tightening it to a bit less than the official torque spec anyway.

[M11rph]

The Digital adapters are excellent.

I've got a selection of torque wrenches, but keep the adapter in the car just in case. They are also handy as a rough check that your click type wrenches are about right.

If I was buying another today I'd look at the ACDelco ones, they have three lights on the side which indicate when you are getting close to the target torque value, along with the buzzer it should make using it a bit easier. https://www.amazon.co.uk/dp/B09QKYMSDZ/ref=sspa_dk...

The regular click type are great, but that close to their max rating can start to get quite inaccurate.

[Belle427]

I would just wang it up a bit more, make sure you make the clicking noise as you do for peace of mind.

[cliffords]

Do it to 210, then reset the wrench to 90 and do it again .

[paul_c123]

Out of interest, which exact engine is this and where did you get the 300Nm figure from? All my info shows this is a torque-to-yield bolt. And (I don't know which engine you have) but last one of these I did, the crank pulley was held by 4x much smaller bolts then pulls off.

Edited by paul_c123 on Sunday 1st June 09:37

[E-bmw]

bunchofkeys said:

I don't think it works like that OP, otherwise how about the angle distance between 0-100?

It doesn't.

OP.
If you aren't going to buy/borrow another and the torque is not needed to be 100% accurate you should be able to "feel" the difference between 100 & 200 then use this much more force more when you get to 200.

Have you tried asking your local garage if you can borrow one suitable for a few beer tokens?

[Mad Maximus]

paul_c123 said:

Do it to 210 then just nip it a bit more. If you're underconfident with that approach then you could rig something up to apply, say, 60kg at 50cm with a breaker bar or whatever.

Are you sure its not a torque-to-yield bolt? If it is, and you want to re-use it, I'd be tightening it to a bit less than the official torque spec anyway.

It’s supposed to be single use but others, many many others have reused them. I’ve got a new one.

[Mad Maximus]

paul_c123 said:

Out of interest, which exact engine is this and where did you get the 300Nm figure from? All my info shows this is a torque-to-yield bolt. And (I don't know which engine you have) but last one of these I did, the crank pulley was held by 4x much smaller bolts then pulls off.

Edited by paul_c123 on Sunday 1st June 09:37

It’s the d5 2.4.

It has a large 300nm centre nut and 4 smaller bolts around the outside of that. All are supposed to be single use and I’ll be replacing them.

[Mad Maximus]

M11rph said:

The Digital adapters are excellent.

I've got a selection of torque wrenches, but keep the adapter in the car just in case. They are also handy as a rough check that your click type wrenches are about right.

If I was buying another today I'd look at the ACDelco ones, they have three lights on the side which indicate when you are getting close to the target torque value, along with the buzzer it should make using it a bit easier. https://www.amazon.co.uk/dp/B09QKYMSDZ/ref=sspa_dk...

The regular click type are great, but that close to their max rating can start to get quite inaccurate.

I’ll read into them abit more then. I just passed them off as temu ste but if they work they work!

[Mad Maximus]

[Mad Maximus]

[M11rph]

Mad Maximus said:

I ll read into them abit more then. I just passed them off as temu ste but if they work they work!

Here's a brief assessment from the ultimate Torque Testing nerds.

The relevant bit starts at 4:25 and lasts 2 minutes. In brief, they work well.

[tux850]

Belle427 said:

I would just wang it up a bit more, make sure you make the clicking noise as you do for peace of mind.

Don't forget the obligatory victory declaration of 'That ain't going anywhere' whilst stepping back, eyes fixated on the bolt for a second or so, before then heading off to slay your next victim.

[normalbloke]

tux850 said:

Belle427 said:

I would just wang it up a bit more, make sure you make the clicking noise as you do for peace of mind.

Don't forget the obligatory victory declaration of 'That ain't going anywhere' whilst stepping back, eyes fixated on the bolt for a second or so, before then heading off to slay your next victim.

That only works when pinging a ratchet strap..