AutoBanter - View Single Post - Can you teach me more about lug bolts & related tire tools?

**critcher**

On 18/02/2018 00:48, ultred ragnusen wrote:
> Can you teach me more about lug bolts & related tire tools on this vehicle
> whose tires I rotated today and which I plan on rotating every 4K miles (6K
> km).
>
> First question is what is the practical difference between these three 21mm
> (13/16ths) "sockets" for the lug bolts on the car I was working on today?
> http://wetakepic.com/images/2018/02/17/socket_ends.jpg
> 1. The standard lug wrench (green) has 6 points, each at a sharp angle.
> 2. The impact socket (black) has 6 points, each at a semicircular angle.
> 3. The standard socket (chrome) has 12 points, each at a sharp angle.
>
> Second question, are these "cut marks" on a lug nut normal?
> http://wetakepic.com/images/2018/02/17/dented_nuts.jpg
> I always use deep sockets, which fit over the whole nut, so I know I didn't
> make these marks - but what did make the marks? Are they factory original?
> If so, why?
>
> Third question is related to this combination pictu
> http://wetakepic.com/images/2018/02/17/torquewrench.jpg
> Where this question is a combination question of:
> a. Why is the green 21mm "lug wrench" so very short compared to all others?
> b. What's the practical difference, if any, with respect to torquing lug
> bolts to 85 foot pounds (115 N-m), between the two types of torque wrenches
> shown?
> c. Does anyone even use that bottom-most "auger style" ratchet bar for fast
> removal anymore? (I don't have power bolt-removal tools so that's why I use
> it.)
> And, the most important question, for torquing lug nuts, is
> d. Does the torque change depending on the length of the socket extension
> bar?
>
> Fourth question is more of an observation than a question, where I combed
> the tires for rocks and nails, as I always do when I rotate the tires every
> 4K miles, when I saw this tiny little steel dot embedded in the rubber in
> each of the front tires.
> http://wetakepic.com/images/2018/02/17/splinter1.jpg
>
> That tiny dot turned out to be this funny-shaped steel sliver, pointy side
> was pointing into the tire in both front tires.
> http://wetakepic.com/images/2018/02/17/splinter2.jpg
>
> The question is whether these embedded rocks and splinters, of which I
> always find between 50 and 100 in each tire (mostly tiny pebbles and bits
> of glass stuck in the tiny sipes of the tire tread) would eventually fall
> out as the rubber wears (negating the need to periodically pick them out at
> each tire rotation)?
> http://wetakepic.com/images/2018/02/17/splinter3.jpg
>
> In summary, I ask these basic questions simply to learn more about how to
> better rotate tires every 4K miles (6.5K km).
>

for gods sake get a life.