Vibration after lowering

[narsnail]

I had my passenger front shaft swapped by a good working used unit this morning. The vibration is completly gone. It set me back 545$ canadian for the part, labor and taxes. The good part is there was no core deposit, so I have my broken shaft at home. I will open the inner cv boot and see what went wrong later today, stay tuned!

It's gone? Ughhhhh this is good news I guess. Glad it's gone man!!

 

[Frenchy_418]

So here is why the shaft can vibrate if the cv joint pops out while installing springs or coilovers. The tip of the dog bone in the cv joint that enters the transmisstion side cup has rings with roller needle bearings. These rings tend to want to pop out if the shaft is forced down with the control arm while removing the struts. One of them slid out enough in my case to cause it to lose its rolling needles... I found them all in the grease in the boot folds. The shaft is undamaged because I ran in rwd by removing the awd fuse. I will be able to rebuild this one as a spare.

 

[narsnail]

So here is why the shaft can vibrate if the cv joint pops out while installing springs or coilovers. The tip of the dog bone in the cv joint that enters the transmisstion side cup has rings with roller needle bearings. These rings tend to want to pop out if the shaft is forced down with the control arm while removing the struts. One of them slid out enough in my case to cause it to lose its rolling needles... I found them all in the grease in the boot folds. The shaft is undamaged because I ran in rwd by removing the awd fuse. I will be able to rebuild this one as a spare.

So here is why the shaft can vibrate if the cv joint pops out while installing springs or coilovers. The tip of the dog bone in the cv joint that enters the transmisstion side cup has rings with roller needle bearings. These rings tend to want to pop out if the shaft is forced down with the control arm while removing the struts. One of them slid out enough in my case to cause it to lose its rolling needles... I found them all in the grease in the boot folds. The shaft is undamaged because I ran in rwd by removing the awd fuse. I will be able to rebuild this one as a spare.

You're the man. I'm going to run in Rwd mode for now and tomorrow I'm going to take apart my axles. Hopefully I haven't damaged anything.

Thanks for eating the cost and confirming this. It honestly wouldn't have taken much longer to take out the axles when doing the front springs, I guess that's why it says to remove them in the repair manual I found online.

 

[Frenchy_418]

You're the man. I'm going to run in Rwd mode for now and tomorrow I'm going to take apart my axles. Hopefully I haven't damaged anything.

Thanks for eating the cost and confirming this. It honestly wouldn't have taken much longer to take out the axles when doing the front springs, I guess that's why it says to remove them in the repair manual I found online.

Hopefully you can find all the needles... i seem to have lost half of them through a hole in the boot. Also good luck with the metal ring used to hold the boot in place. The one on the cup is really a bitch.

Btw, swapping the full axle assemble is 45 minutes from entering the garage to exiting the garage, very quick on these cars.

 

[narsnail]

This will not be fun AT ALL ugh . I only feel the vibration on the driver side so I'll start there.

I found a used axle online for 250, wondering if I should just swap the whole thing. If I'm missing any of those rollers it will be a headache.

 

[SKStinger]

This is where I'm at, probably going to have a shop diagnose it I'm just a bit fed up with it. Trying to find a local shop that deals regularly with lowering/ modified suspension.

I have good luck locally with OK Tire. Had my car aligned there and they were very knowledgeable with aligning lowered cars.

 

[Frenchy_418]

This will not be fun AT ALL ugh . I only feel the vibration on the driver side so I'll start there.

I found a used axle online for 250, wondering if I should just swap the whole thing. If I'm missing any of those rollers it will be a headache.

If you are missing some rollers I can ship you the ones I have left. From Quebec city to London should not take too long.

 

[narsnail]

If you are missing some rollers I can ship you the ones I have left. From Quebec city to London should not take too long.

Assuming you can't use it as a backup since you're missing the rollers? I'm just going to roll with it for now, I have two days off in a row next week it will be less stressful than having just one day incase something goes wrong.

Thanks man, ill let you know if I end up needing them. Really nice of you!

 

[Frenchy_418]

Assuming you can't use it as a backup since you're missing the rollers? I'm just going to roll with it for now, I have two days off in a row next week it will be less stressful than having just one day incase something goes wrong.

Thanks man, ill let you know if I end up needing them. Really nice of you!

Its the cost of a stamp to send you mine ahead of time. At least if you open it up and missing rollers you will have some. you should send me your address. I will keep 1 roller to have the specs to find new ones.

 

[narsnail]

Its the cost of a stamp to send you mine ahead of time. At least if you open it up and missing rollers you will have some. you should send me your address. I will keep 1 roller to have the specs to find new ones.

Sent, thanks so much man!

 

[massGass]

I feel ya man, it's just disappointing. Had I known it would go this way I wouldn't have lowered and would have done sway bars. You're AWD??

It's still there, it just seems like it's happening less.

Do you do the install?? Did you pull out your inner CV while installing? I'm still leaning on the theory of one of those bearings coming out.

I'd like to see that video if you have it still.

yes yes and yes...i tried attaching the video to the thread but its too large, let me see if i can compress it or ill up load it to youtube.

 

[narsnail]

After taking apart both inner cv axles, and confirming that both had all their rollers I am getting a bit more vibration than before and some pulsating/vibration when braking. I didn't really touch anything just removed the boots, checked for rollers and reassembled. Maybe the axles are bent?

I realize the alignment is probably out due to removing the lower ball joints; possibly bad tire or tires out of balance in combination with bad alignment?

 

[Aquineas]

Did you by chance replace the wheels with stock, just for grins?

 

[narsnail]

Did you by chance replace the wheels with stock, just for grins?

Wheels have been stock the whole time.

 

[Aquineas]

Wheels have been stock the whole time.

Ah my bad; I misunderstood.

 

[narsnail]

Did you dent your rims?

Welp you were right, was a bent rim. Axles are fine.

 

[Aquineas]

Welp you were right, was a bent rim. Axles are fine.

That's got to be a huge relief.

 

[massGass]

That's got to be a huge relief.

did the vibration go away?

 

[narsnail]

did the vibration go away?

Well the rims bent but no, took it into a shop and they thought it was a balance/alignment issue. Went to balance my tires and of course they couldn't since it was bent.

 

[DevLF]

Well the rims bent but no, took it into a shop and they thought it was a balance/alignment issue. Went to balance my tires and of course they couldn't since it was bent.

Damn any idea how you managed that?