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Replacing Control Arms... Ball Joint Bolts Size and Pitch?

6.6K views 7 replies 4 participants last post by  Eleximp224  
Please don't hold me to this but I have a Volvo kit and measured the bolt that mounts the knuckle.

Thread 10mm wide with what I believe to be 1.5mmm pitch (coarse, not fine), and thread length is 25mm. Bolt has a 13mm head, marked B U F 0 with 2 indents at 5 and 7 o'clock (ref B U F 0 at top). Comes with red thread lock already on the bolt.

VIDA does note differentiate a separate PN for the bolt(s), all comes in the OEM kit.
 
You guys are freakin' killing me.

I measured pitch (again) using a Mitutoyo 500 Series Absolute Digimatic Caliper set to zero, measured, set to zero, and re-measured.

Thread pitch is 1.5mm.

For reference to the procedure used:

"Metric fasteners are specified with a thread pitch instead of a thread count. The thread pitch is the distance between threads expressed in millimeters (measured along the length of the fastener). For example a thread pitch of 1.5 means that the distance between one thread and the next is 1.5mm."

And for the record, the kit this bolt came from is Volvo PN 31201485.