DenisK

Hi everyone, im having a big issue removing the CV bolt (wheel hub bolt) since im trying ti change the front wheel bearings. Ive broken 2 breaker bars so far turning it left as I understand there is a right hand thread on the cv joint, and therefore righty tighty lefty loosy .

Anyone have any ideas how i could remove it. Ive tried impact wrenches as well.


Hopefully im an idiot and somebody will tell me that the thread is the opposite way


Thanks for any insight on the matter.

BlackML550

Attached are a series of documents relating to front axle removal. Note, they relate to a W164 model which is essentially the same as the W251 in this area. I wasn't sure which nut you are referring to so ive downloaded all the documents. If I've missed the information you require, let me know. Hopefully it gives you the answer you're looking for.

BlackML550

See this as well.

DenisK

According to the first document its number 3, a collar nut. It broke 2 breaker bars already and nothing. Im running out of ideas, it must really be seized onto there.

BlackML550

OK. I thought that's what you were referring to. Pretty sure that isn't a left hand thread. If it were, the guidance notes would have provided a warning. Plus the video shows it's not.

Maybe some PB blaster on the nut overnight and then some heat? I've had success with rusted on bolts by very slowly going back and forth on them, even tightening them some more to get them to budge.

BlackML550

How did you go? Did you apply heat to it?

DenisK

After aplying all sorts of lubricants, i finally tried one last time with my dewalt impact with a bigger battery, held it on for about 30-40seconds and finally got it loose.

BlackML550

"I'll be in the garage. It'll just take a couple of hours..."

DenisK

pretty much. And sad thing is that ive done only one side, and tomorrow i have to do the drivers side as well which will definitely be fun again.