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Vehicle wheel studs and bolts vs lug nuts ????

Crazy Horse

Crazy Horse

Well-known Member
Volkswagons for 2002 and 2005 for sure use a 14.5 metric lug bolt for their wheel rims/tires. I suspect most cars and trucks these days use a stud/nut system for the wheels, is that a valid guess?

Obviously, the stud/nut system makes mounting a spare tire for example a lot easier so that would be one advantage for those. I wonder why some vehicles (like the VW's I mentioned) might have used lug bolts in the first place? Mounting up your tires is more difficult for sure I would say.
 
My JD tractors use bolts rather than nuts on the front wheels. I keep a couple of headless bolts with screwdriver slots cut into them to help get the wheel lined up. Wheels were lighter when I was younger.
 
My guess is that they have calculated the cost of parts, machining and assembly and found fewer parts and the cost of changing to studs = less overall cost.

Lots of cars in the 50's and 60's used bolts, most Chrysler products and some bigger GM years/brands.
 
I don't see the difference for mounting. With bolts I just line up a hole to the front or back of the spindle start bolt tighten up some then turn it to the top the bolt lifts the wheel and tire for me. Then start whatever lines up and so on till they are all in. Once a couple are started they can be pulled up till the wheel will stay on the hub bore and most of them will line up to start then.
 
Good afternoon: In my experience, cars that used bolts had a locating pin protruding from the hub, so you could sort-of hang the wheel on that pin, then easily get bolts started.
.
Dennis M. in W. Tenn.
.
 
I remember those, there was another hole in the wheel rim for those which lined up with that pin but nothing on the VW's.
 
Only good thing I can think of is when cleaning up the rust off hub to mount new rotors you can easly hit it with a wire wheel.
 
My MF 235 uses bolts on the front wheels, and is a problem mounting rims. At least it is for me. Stan
 
VW, Mini, BMW, Mercedes all use lug bolts. The Euro manufacturers love them. The theory is that lug bolts are less likely to loosen. Same reason trailers used to use them. Don't honestly think it matters, just like left hand lugs on the left side.
 
I hated Euro cars because of that. Most of them don't have a very good lip to hold the wheel in the center either. Also if you are banging around trying to line things up, the brake rotor might rotate out of alignment. Then taking the last bolt off, the wheel usually falls off, so if it's on a lift you better jump back.
 

Funny, you mention that. I had a '47 Dodge with bolts and the pin and a '48 Plymouth with studs and nuts. Both had LH threads on the left side wheels. Now....come to think of it, I'm not sure which side had the LH threads!?
 
Jeep Cherokee's use bolts instead of studs, it started when Fiat bought the company, they are pain to line up if you don't have a pin to put in the hub to get the first bolt aligned, don't like them on my John Deere's either.
 
Cut the threaded end off of tie rod ends instant alignment studs. You may have to turn the hex (where you put a wrench on it) off.

Euro cars thank god I don't have to work on that junk anymore and Chrysler's as far as that goes.
 
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