Alloy Wheels

[littlechancer]

Good morning everyone.
I have a 2005 Swift Sundance on a Fiat Ducato JDT XLWB.I fitted new alloys 18 months ago and all seemed well,until now.
Took it for service/mot and was told the wheel nuts are the wrong type and will eventually sheer off.I have tried ringing Swift and Fiat UK for a wheel nut size,but no help there.
Any of you good people out there had a similar problem,and how did you sort it?
Many thanks
littlechancer

 

[cmcardle75]

Good morning everyone.
I have a 2005 Swift Sundance on a Fiat Ducato JDT XLWB.I fitted new alloys 18 months ago and all seemed well,until now.
Took it for service/mot and was told the wheel nuts are the wrong type and will eventually sheer off.I have tried ringing Swift and Fiat UK for a wheel nut size,but no help there.
Any of you good people out there had a similar problem,and how did you sort it?
Many thanks
littlechancer

The wheel nuts/bolts will need to suit the wheels and vehicle. The vehicle decides on the thread and whether it is nuts or bolts. The wheels determine the seating arrangements and length. It may alse be affected by having dual rear wheel. They're probably M16x1.5 bolts. However, I'm guessing the mechanic was suggesting either that they weren't long enough for the alloys, or that the seat was wrong (i.e. conical instead of radius or flat etc).

 

[cmcardle75]

BTW, whether nuts or bolts, they're pretty cheap to replace. Take the opportunity to get some locking ones (i.e. McGard SU/SL), too, which will be easy by the time you know the required length/seat.

 

[Lenny HB]

If it's a Fiat the bolt size and shoulder angle are the same for both Alloy & Steel wheels. The only difference is the ones for Alloy's are 2mm longer. The only problem it can cause is if you fit a steel wheel with alloy bolts on some models (I think it's 16" wheels on the light chassis) they can foul in the rear hubs).
As for them sheering I think that is BS.

 

[cmcardle75]

If it's a Fiat the bolt size and shoulder angle are the same for both Alloy & Steel wheels. The only difference is the ones for Alloy's are 2mm longer. The only problem it can cause is if you fit a steel wheel with alloy bolts on some models (I think it's 16" wheels on the light chassis) they can foul in the rear hubs).
As for them sheering I think that is BS.

I'm guessing that is true for the Fiat OEM wheels. With aftermarket wheels your mileage may (or might not) vary. I agree that 2mm difference is unlikely to be very significant, but is probably still worth sorting out, given how cheap bolts are.

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