Front axle grinding noise

fergus98 · Jul 27, 2019

Hi,

A grinding noise has developed in the front axle of my defender. I can feel the vibration coming up the propshaft, but it only happens when turning left, low revs and at a speed of around 30-40mph. This leads me to think it could be a cv joint? But really don't know, does anyone have an idea of what it could be?

Thanks

tottot · Jul 27, 2019

As it is only when you turn very likely a CV. Get someone to walk alongside and listen, may help pinpoint the problem. Wheel bearing may be another culprit.

benpalmer · Jul 29, 2019

As above, I'd say CV. But when mine was on the way out it made for a loud click, then vibration.

fergus98 · Jul 31, 2019

Thanks for the help,
I’ve just changed the cv on the off side wheel which is what I suspected was the issue and the noise is STILL there. Could it be something to do with the diff? I’m even more confused about what it could be.

fergus98 · Jul 31, 2019

Something else I forgot to mention, I replaced my front prop shaft with a gywn Lewis one a while back because the ujs were buggered, after I changed it, the noise went completely. It then came back around a month later.

Hicap phill · Jul 31, 2019

How are your wheel bearings?

fergus98 · Jul 31, 2019

I checked them a few weeks back, they seemed fine. It’s weird it’s only happening when turning left.

Hicap phill · Jul 31, 2019

Sorry for the Qs..
Do you off road a lot?
Have you checked/greased/oil front end?

fergus98 · Jul 31, 2019

No worries,
Not particularly, I change the diff oil every 12/18 months.
The off side swivel was changed and runs the lifetime grease but the other still runs ep 80/90. Haven’t checked those since I changed the swivel which was about a couple off years ago. I always thought that if your turning left then the dodgy cv joint would be on the right and vice versa. Is this correct? Or have I just changed the wrong cv joint

Hicap phill · Jul 31, 2019

Normally cv clicks
Bearings rumble.
Uj chirp
Take the drive member ends off you will see what your grease is like.

Good luck

tottot · Jul 31, 2019

Duff CV's tend to make a noise which ever way you turn them.

fergus98 · Aug 1, 2019

Cheers for the advise, I'll check the other cv joint tonight. Driving into work the noise/ vibration happened whilst the wheels were straight, so I think I could just be a vibration when taking up power when down low in the rev range.

Front axle grinding noise

fergus98

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fergus98

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Hicap phill

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