Weird knocking

[The Mighty Elvi]

I have someting similar.

Its a loud rhumble from both wheels, but strangely it disappears when turning the steering wheel a few degrees and when i go over bumps in the road at speed.

Is that my CV joints and/or wheel bearings?

[Ben Lessani]

Knocking at the front could be a few things. Make sure the suspension strut bolts are tight, all 4 ball joint bolts, wheel nuts and hub nut.

Track rod ends
When you hear a knock when wiggling the steering wheel when stationary. If the car is jacked up, its not as obvious to find.

Wheel bearing
Turn a corner at speed (40 mph), if you are turning left and you hear a noise - its the right wheel bearing, turning right and its your left wheel bearing.

Jack the car up, grab it left and right and wiggle it and check for play. If there's play and a noise as above, odds are its a wheel bearing.


Ball Joint
Grab the wheel top and bottom and wiggle, have a friend with a torch look at the ball joint when wiggling and the play is pretty obvious.

CV Joint
Knocking/grinding at low speeds

Top Mounts
No idea, I guess I'd find out by process of elimination from the above?

[apie2004]

could be engibne mounts if it happens under braking/acceleration

I thought that but I renewed them fairly recently (about 4k ago)

[lemski]

Mine does it but its a wishbone bush on mine.

[apie2004]

Had a go at changing the wishbones today and I tried undoing the bolt furthest back on the wishbone and it just spins? Is there a nut on the chassis thats broken/ do I have to put something on the other end of the bolt, where is it?

Cheers

J

[messenjah]

check your wheel nuts !!!!

[danny_p]

Had a go at changing the wishbones today and I tried undoing the bolt furthest back on the wishbone and it just spins? Is there a nut on the chassis thats broken/ do I have to put something on the other end of the bolt, where is it?

Cheers

J

unluck the captive nut has broken free    there is cutting and welding involved in fixing that

[lemski]

The wishbone attatches to the subframe? There's 2 bolts with nuts on the end

[apie2004]

Had a go at changing the wishbones today and I tried undoing the bolt furthest back on the wishbone and it just spins? Is there a nut on the chassis thats broken/ do I have to put something on the other end of the bolt, where is it?

Cheers

J

unluck the captive nut has broken free    there is cutting and welding involved in fixing that

Excellent