Originally Posted by Donald
Originally Posted by ls973800
Although as mentioned that screw hole can be used with the proper bolts to remove the rotor, that is not the true function of them. They are there to hold the rotor on while the vehicle is moving down the assembly line while it is being built. Until the wheels and tires are put on with the lug nuts, there is a real chance of the rotor coming off.
Interestingly I have been reading up on these screws because my previous cars didn't have any from the factory. The Honda Pilot I have does have them. They look like a Phillips head screw but I have found out they are actually a JIS screw head. Japanese Industrial Screw (JIS) #3. Supposedly a Phillips may work sometimes but you are better off using the JIS bit. That is what the screw head was designed for and a much better fit than a phillips bit. supposedly a JIS bit will work well on a phillips screw head, but a phillips will not work well on a JIS screw head.
I purchased a kit with #1, #2, and #3 bits along with a few others from Amazon for this job when I have to do it, and just to have some on hand. This kit was $14.50 a few weeks ago when I purchased it.
JIS Screw bits
Why a JIS in an American made truck?
Have no idea, perhaps something to do with Japan supplying some parts to the facility in Alabama?
Originally Posted by ls973800
Although as mentioned that screw hole can be used with the proper bolts to remove the rotor, that is not the true function of them. They are there to hold the rotor on while the vehicle is moving down the assembly line while it is being built. Until the wheels and tires are put on with the lug nuts, there is a real chance of the rotor coming off.
Interestingly I have been reading up on these screws because my previous cars didn't have any from the factory. The Honda Pilot I have does have them. They look like a Phillips head screw but I have found out they are actually a JIS screw head. Japanese Industrial Screw (JIS) #3. Supposedly a Phillips may work sometimes but you are better off using the JIS bit. That is what the screw head was designed for and a much better fit than a phillips bit. supposedly a JIS bit will work well on a phillips screw head, but a phillips will not work well on a JIS screw head.
I purchased a kit with #1, #2, and #3 bits along with a few others from Amazon for this job when I have to do it, and just to have some on hand. This kit was $14.50 a few weeks ago when I purchased it.
JIS Screw bits
Why a JIS in an American made truck?
Have no idea, perhaps something to do with Japan supplying some parts to the facility in Alabama?
