Front end Grinding noise

[reildawg]

Good Day all. My 2000 jetta has started making an awful grinding noise on low speed turns. I bought new front strut mounts and bearings, but before I take it all apart is there any other component which could be the culprit? The noise doesn't really happen when I am stopped and turning the wheel, just los speeds.

 

[DSIre]

Look also for a broken spring. One coil brokenoff will make that sound, and not drop the car much.

 

[reildawg]

Look also for a broken spring. One coil brokenoff will make that sound, and not drop the car much.

Okay I'll check for that before I go all out removing the strut assemly. Thanks

 

[ninedee_golf_tdi]

Could be the dust shield behind the rotor is rubbing on the rotor during the turn.

 

[reildawg]

So I put the car up today. Both springs, while rusty, look intact and unbroken. The dust shields are both clear of the rotors, and I don't think they would make such a bad noise anyways. Any other ideas before I replace the top mounts and bearings and call it a day?

 

[reildawg]

Disassembled the driver side, the top mount is about 1/2 to 3/4 of an inch shorter then the new one, and the bearing was rusted to hell. The one surprise was the bumpstop beng wrecked, so I've ordered a new set and will reassemble everything once they arrive.

One potential future issue I can see is that where the bearing sits around the shaft, the shaft itself has rusted, and some of the chrome plating has flaked off. Assuming the rust will spring back faster then originally formed, due to the patch I can't fix, I assume I'll be doing full front end refresh within two years.

 

[reildawg]

Well, got it all back together and the noise persists. As of right now my new diagnosis is a bad CV joint on the driver side. I'll be taking it to a shop to confirm this before I throw more parts at the thing, but with all the suspension checked over, I am convinced that the noise is not related to those components. On the plus side, I have new top mounts, strut bearings, and bumpstops.

 

[Powder Hound]

Or it could be brake pad wear. Check the backside/inside pad. If the caliper sticks and refuses to slide on the mount, the inside pad is the one that will be taking all the pressure and wear. When the pad is gone and the metal backing of the pad is what is hitting the rotor, you will hear that grinding sound.

Cheers,

PH

 

[reildawg]

It was the outer CV joint. I pulled the boot back and it was very dry and gritty inside. New was was fairly inexpensive and went on easily enough.