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Old 12-18-2011, 11:04 AM   #1
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Default Size of ball seat

I have a couple of questions about lug bolts for a NCV3 fitted with original steel rims:

1. What size is the ball seat on the lug bolts? R12, R13 or R14?

2. Does a Volkswagen Crafter (which is almost similar to a NCV3 Sprinter), with the original steel rims, uses the same size lug bolts as a NCV3 Sprinter?
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Old 12-18-2011, 02:42 PM   #2
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Default Re: Size of ball seat

Hi Sock,
NCV3 2500 (with single rear weels)
or
NCV3 3500 (with dual rear wheels)

Very different!
What exactly are you trying to do?
Basically, you go to a Mercedes Benz Dealer and buy the lug nuts/wheels/
studs that fit your vehicle by the mfg's VIN number.
Then everything fits and is the correct grade/material strength.
Use a torque wrench to tighten the lug nuts to the specification
in the Operator's manual.
Roger
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Old 12-18-2011, 03:51 PM   #3
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Default Re: Size of ball seat

@sailquick: I am talking about lug bolts for the front axle, so it is for a NCV3 2500 because the NCV3 3500 uses lug nuts.
I need to know this because I need longer wheel bolts. I am going to fit a spacer.
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Old 12-18-2011, 07:01 PM   #4
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Default Re: Size of ball seat

Why the spacer?
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Last edited by Mrdi; 12-18-2011 at 10:04 PM.
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Old 12-18-2011, 09:22 PM   #5
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Default Re: Size of ball seat

Both Daimler & Dodge failed to document the ball seat size on any of their wheels. I've never seen anyone post that particular metric. I believe you'll have to get it measured.

-Jon
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Old 12-18-2011, 11:59 PM   #6
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Default Re: Size of ball seat

I have the same question as MRDI;:
Why the spacer.
I hope that if your fit wider rim wheels and need the extra clearance you understand
that putting a spacer on the outside of the hub increases the bearing tangential load.
Timken bearings handle tangential loads pretty well, but it would be far better to add the same distance to the inside of the wheel so the bead to bead centerline matches the factory
offset.
Roger
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Old 12-19-2011, 04:38 AM   #7
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Default Re: Size of ball seat

Hi, you may want to try to use the bolts for alloy wheels which are longer than regular steel wheels.
Let us know.

Mauro
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