wheel jolting when breaking mostly at lower speeds

[Dismissedtub]

so I noticed a bit of a clunk when braking at lower speeds only from the front left wheel and I'm wondering what could be causing this. just some information I put new struts in like 3 weeks ago. the lower control arm bushes are worn a bit and I have new ones on the way. so any idea on whats causing this is greatly appreciated

 

[markalan1two]

ball joint or control arms bushes

 

[Pollushon]

That would be your castors/zbar. Did you change over any bushes when you did the strut?

 

[Fu Manchu]

Do both sides regardless.

 

[Dismissedtub]

That would be your castors/zbar. Did you change over any bushes when you did the strut?

nah I just did the new struts with new king springs as the previous ones were to low.

 

[Dismissedtub]

View attachment 262477
Do both sides regardless.

yea i have some lower control arms coming had to get the other ball joint ones as mine is series 1 VT so no bolt for the top it's like a clamp. I'm also thinking of getting the mackay strut rod bushes from supercheap for $70 or would it be okay to get cheapos off eBay for like $40? thanks for the help.

https://www.supercheapauto.com.au/p...-pair---holden-commodore-vt-vz/SPO179537.html

 

[Pollushon]

I wouldn't skimp, commodores need all the help they can get. Just be sure to get both the subframe and control arm sides of the castor, with that much movement they are both likely cactus. The new control arms may come with rubber castor bushes but they will probably be junk

I'm bias to urethane, specifically Superpro as you don't want any give or your toe and alignment will feel it

 

[max101cfh]

I had the same problem a couple of weeks ago, it turned out my passenger side lower control arm bush was buggered (the one closer to the ball joint) but could also be radius rod bush as well. Jack up the car and have a look

 

[vc commodore]

As mentioned...It'll definately be the front Z-bar/radius rod bush.....(Known by both names)..If you lever this bush via the front washer, you should see the entire wheel move forward....Should confirm the diagnosis being provided

It is generally best to replace the lower control arm bush at the same time, but not absolutely necessary....Really depends if it is gone and how far you wish to go...

Also as shown, you can buy complete control arms, with new balljoints and bushings cheaply.....If going down that path, just mention what series VT you have to get the correct one...

The front radius rod bush/z-bar bush can be replaced without removing the lower control arm...

 

[Mario2024]

yea i have some lower control arms coming had to get the other ball joint ones as mine is series 1 VT so no bolt for the top it's like a clamp. I'm also thinking of getting the mackay strut rod bushes from supercheap for $70 or would it be okay to get cheapos off eBay for like $40? thanks for the help.

https://www.supercheapauto.com.au/p...-pair---holden-commodore-vt-vz/SPO179537.html

Be careful what you buy on eBay. Replaced every bush/ joint, on my vy with cheap parts off eBay and half of them needed replacing within 20,000 kms