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Grinding sound rear left

antsv6

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Hi Guys, im new here and also to Holdens, I used to be a Toyota driver.
I have a question, i had all my rotors machined and 120k service by a holden dealer, now i have this grinding sound from rear left wheel, noticeable when going slow and driving past parked cars or a wall. Took it back and the said the handbreak shoe was rubbing and re adjusted the hand break and all was good. 1 week later that sound has come back. Bearings apparently are fine also. The car rides on stock wheels and suspension.
Thanks
Ant
 

franklinfrog

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G'day mate!
Pretty good chance it's the same problem again, bring it back again, they're obviously not adjusting the hand brake properly. Older commodores also have a stone guard behind the rear disc, not sure if it's on the vz but if so, it could have been bumped and be rubbing on the disc. It's just a plate of steel behind the disc, could try pushing it away from the disc a bit.
 

antsv6

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Thanks Fraklinfrog, I was thinking that might be the case, but its just a pain that it happened again. I thought it might be the machined rotor and i might just have to replace them with new ones
 

richardpalinkas

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Does it make a whoosh whoosh whoosh noise? I would prob say its just the handbrake again, mine did it as well so I know the frustration
 

zersys

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Sounds like the same problem as my VY. You can adjust the shoe all you want but the noise will come back on mine. Apparently a common fault for the VY, and Holden released something called a "biased spring kit" to fix it. Maybe the VZ suffers the same issue?

It's a kit that levels the shoe properly using the tension of a small spring that you install with the kit, I think it's about 50 bucks from Holden. I haven't got around to buying and installing it yet though.
 

antsv6

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Yeah its a whoosh, whoosh sound gets faster with gas then goes away comes back with coasting with no gas at low speed.
 
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