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Old 07-01-2004, 10:58 PM   #1
BurntJamb
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Default Ok to use torque wrench as main lugnut wrench?

So I got some aftermarket wheels and lugnuts that use a key with 21 mm heads. The stock lugnut wrench won't work because its 19 mm so I picked up a torque wrench (a $25 Craftsman one rated up to 140 ft/lbs) and a 21mm socket.

And here's my dumb question:

Is it okay to use this torque wrench as a replacement for my 19 mm lugnut wrench (which is basically useless now), i.e. can I use this torque wrench for both the removal and tightening of these lugnuts or is it better/required to buy a real (ratcheting) wrench and then only use the torque wrench to check the torque? I just want to make sure I can use the torque wrench to remove the lugnuts since the initial force required to remove the lugnuts will be >> than the torque rating to which they were tightened (possibly > 140 ft/lbs of rotatation in the other direction). Yeah yeah, I'd try it out but I'm too lazy and I figured I'd ask in case I was doing something stupid like ruining my torque wrench by removing the lugnuts.
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Old 07-01-2004, 11:07 PM   #2
Brad Nely
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Old 07-01-2004, 11:17 PM   #3
abaxter34
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from what ive been told breaking nuts/bolts loose with a torque wrench will eventually throw it out of calibration and may possibly damage it beyond repair/recalibration. breaker bars are good.
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Old 07-01-2004, 11:26 PM   #4
Uncle Scotty
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Don't use the torque wrench for ANYTHING other than torquing a fastener to proper torque.
Buy and use a big rachet handle or breaker bar to loosen the lugs.

And...I wouldn't torque your lugs over 75ft-lbs.

The FSM says 65ft-lbs....and I usually go 70....
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Old 07-01-2004, 11:46 PM   #5
nhluhr
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the torque wrench is fine for putting on your nuts, but when taking them off, use this:



(or an impact wrench, of course)
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Old 07-02-2004, 12:03 AM   #6
clark wrx
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The rednecks around must be getting to me because i use a ratchet with a big old rusty pipe.
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Old 07-02-2004, 08:33 AM   #7
subysouth
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Quote:
Originally posted by Uncle Scotty
Don't use the torque wrench for ANYTHING other than torquing a fastener to proper torque.
Buy and use a big rachet handle or breaker bar to loosen the lugs.

And...I wouldn't torque your lugs over 75ft-lbs.

The FSM says 65ft-lbs....and I usually go 70....
ss
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Old 07-02-2004, 08:43 AM   #8
dowroa
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Only a truck, for now. ;)

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Quote:
Originally posted by Uncle Scotty
Don't use the torque wrench for ANYTHING other than torquing a fastener to proper torque.
Buy and use a big rachet handle or breaker bar to loosen the lugs.

And...I wouldn't torque your lugs over 75ft-lbs.

The FSM says 65ft-lbs....and I usually go 70....
FSM = F Service Manual?

Well, from the OEM Car manual, I believe that it gives a TORQUE RANGE for your lug nuts -- not a specific torque. This would be the same with most 'wear' bolts like the drain plug. It drives me nuts not being given a specific torque spec.

I want to say the OEM manual says between 68 - 75 ft lbs, IIRC. I will verify this when I have a minute away from work.

But, to go along with the point, Yes, I use a ratchet, extension, and a socket for my replacement to the 'tire iron' they give you. I just keep the lug key in the subaru bag with my rachet stuff. I generally only take the torque wrench with me when I am going to events.

Good luck, and any of the above suggestions are good ones. Don't kill your torque wrench though... especially if it is one of those 'bendy' toque wrenches.


- dow
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Old 07-02-2004, 01:32 PM   #9
YinUCSD
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a breaker bar can be bought for $10 or under from any hardware store. try Harbor Freight, i got two breaker bars there (25" and 13") for $15
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Old 07-02-2004, 01:49 PM   #10
mrbell
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if you just want something for your tires, a 4-way is wonderful, and cheap...
you get equal push and pull, so it's not likely to come off like the stock iron...
plus you can use it for several differnt cars if needed...
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Old 07-02-2004, 02:31 PM   #11
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Where/what is that?
Quote:
Originally posted by nhluhr
the torque wrench is fine for putting on your nuts, but when taking them off, use this:



(or an impact wrench, of course)
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Old 07-02-2004, 02:59 PM   #12
Uncle Scotty
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Quote:
Originally posted by jblaine
Where/what is that?

...breaker bar...????
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Old 07-02-2004, 03:04 PM   #13
Uncle Scotty
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Quote:
Originally posted by dowroa
FSM = F Service Manual?

Well, from the OEM Car manual, I believe that it gives a TORQUE RANGE for your lug nuts -- not a specific torque. This would be the same with most 'wear' bolts like the drain plug. It drives me nuts not being given a specific torque spec.

I want to say the OEM manual says between 68 - 75 ft lbs, IIRC. I will verify this when I have a minute away from work.

But, to go along with the point, Yes, I use a ratchet, extension, and a socket for my replacement to the 'tire iron' they give you. I just keep the lug key in the subaru bag with my rachet stuff. I generally only take the torque wrench with me when I am going to events.

Good luck, and any of the above suggestions are good ones. Don't kill your torque wrench though... especially if it is one of those 'bendy' toque wrenches.


- dow

FSM = Factory Service Manual....and



and...

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Old 07-02-2004, 03:05 PM   #14
jblaine
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Okee doke.

Never had to touch one and I've never seen one in Sears, etc.

Didn't know.
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Old 07-02-2004, 04:32 PM   #15
YinUCSD
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Quote:
Originally posted by jblaine
Okee doke.

Never had to touch one and I've never seen one in Sears, etc.

Didn't know.
its just a really long socket wrench that doesnt ratchet.
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Old 07-02-2004, 08:29 PM   #16
nhluhr
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Quote:
Originally posted by jblaine
Where/what is that?
It's a Great Neck brand 18" long, 1/2" drive breaker bar. I think they sell them at Ace hardware maybe?

For those talking about using a socket wrench with an extension handle, try a swivel-head breaker bar. It is longer, lighter, one-piece, and once you break the lugnut loose, you can straighted the breaker bar (via the swivel-head) and then spin it like a big screwdriver. Very fast. I've got a shop full of tools and when I'm not using the air impact gun, I prefer this method.

I don't have a 4-way though so I can't comment on that.
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