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Car: Astra j 1.4sri
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Hey guys, I’ve recently noticed that driving over uneven/ rough roads that I’m getting a knocking noise, if I hit a pothole or large bump there’s nothing but any sort of slight bumps or similar and I’m getting lots of knocks like the anti roll bar bushes are shot, last weekend I got it on my mates 2 poster ramp and got the pry bar out checking everything and it’s all completely solid, but for how cheap they were I fitted a pair of new drop links thinking it could only be them but no joy, all my shockers are clean and bone dry and springs are perfect and I lowered the car so the tyres were about an inch off the ground and put a long pry bar under each wheel to check the top mounts and no play whatsoever, please help???? Oh also it’s a 1.4 Sri on a 65 plate with 40k miles thanks
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Car: Astra-J 2.0 CDTi
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Does it do it when the brakes are applied?
The knocking coming from mine turned out to be the brake pads rattling in the callipers. Drove me mad trying to find where the noise was coming from. A slight bend of the anti rattle shims was all it took to cure the noise.
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No mate it does it during normal driving, I’ve read somewhere before about there being a problem with the brake pad shims but I’ve had a good wiggle of each and there’s nothing ????
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Car: Astra-J 2.0CDTI S/S 165ps
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16:th-Mar-2019, 09:36:03
(This post was last modified: 16:th-Mar-2019, 09:36:58 by Rusty2009.)
Could be the top mount they can fail or start to come apart had it on mine and there was no play it was only when changing the shock we found it.
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I've found the sri quite noisy on suspension anyway, I've had 2 and both the same. The elite I had was far softer and quieter.
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It could be caliper rattle. The slider pins on the brake calipers aren't the tightest of fits on the astras. When you hear it rattling, if you gently apply the brakes, does it stop?
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I did put brand new (new off eBay) ones on a couple of months ago. I found even the new ones on the bottom of the calliper were loose once fitted. The bottom ones do not have the rubber shim but rather a slither cut off the side of the pin. I packed it with grease and put a shim from a coke can around it and was sure it made a difference after driving but could have been placebo.
I will have a play again this weekend, could be that the shim has come out - I Will try and put the old top pins in the bottom as they didn't appear to have anything wrong with the rubber band.
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Car: ASTRA J GTC 2.0 CDTI
Location: Liverpool, England
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I have new springs fitted to my GTC, after a few weeks a knocking noise started.
Bought new drop links and outer tie rod ends.
Didnt fix the problem. Springs were new.
It ended up being the bolt that is at the very bottom of the knuckle was loose.
Tightened it up about 2-3 turns and the noise stopped.