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Loose wheel bolts?!



  RS6+ & 40d MSport X5
Driving along the motorway the other night and I heard a severe knocking noise. Pulled over to investigate, to find the N/S/F wheel was about to fall off. Managed to get it tightened and all was well. Same thing happened yesterday, to the exact same wheel. All the other wheels are fine. :S

Wheels are non Renault 15" F1's and the wheel bolts are aftermarket items. Pretty sure I've read something about painted/powdercoated wheels causing this??

I've got a trackday booked two weeks today so I'd like to get it sorted!

​Gaz.
 

Bluebeard

ClioSport Moderator
  Whichever has fuel
Powder coatings/paint in the bolt holes can cause it. Burpspeed had the issue.

If I was you i'd get the dremel in there and get the holes back to bare metal.

But as Si said, wheel bearings are also a culprit.
 
  Twingo Gordini RS133
Compare the bolt threads against a thread pitch gauge (or another known good bolt). The threads should intermesh allong the length of the bolt and any stretch will be shown by the threads appearing longer on a stretched bolt.
 
  RS6+ & 40d MSport X5
Will do mate, cheers. Not really a fan of aftermarket wheel bolts. They'll be getting changed with the ones on my Ph1 lol.
 
  Twingo Gordini RS133
These are original Renault bolts, as fitted to my almost new RS133. After replacing all the tyres at less than 1000 miles old, the bolts were run in loose with a windy and then torqued up to 105Nm. Rechecking the torque when I got home, a couple of the bolts moved with 105Nm.
Heres two new bolts from the locking wheel bolt box. As you can see, the threads intermesh with each other allong the length of the threads.
_DSC9228.jpg

Here, the top bolt is the good one. As you can see, the threads intermesh for a bit, then don't go together anymore as the thread pitch has become longer on the bottom bolt due to it being stretched.
_DSC9231.jpg


I'm now running the PMS stud and nut kit
 

aucky

ClioSport Club Member
Powder coatings/paint in the bolt holes can cause it. Burpspeed had the issue.

If I was you i'd get the dremel in there and get the holes back to bare metal.

But as Si said, wheel bearings are also a culprit.

I had this at Oulton last year, scary stuff!
 
  182cup & 172 racecar
Anybody actually take any notice of what I said about hot wheels? You'll stretch them like bubble gum.
 


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