#1: knocking noise when pull away / accelerate Author: vanmanpaul83, Location: Nuneaton, WarickshirePosted: Fri Oct 02, 2015 1:45 pm ---- Need some help please
When I pull away in first gear I get a slight knock and also when I come off the gas and then accelerate in low gears I get a knock also when I change first to second momentarily after I get that knock again.
I've done a lot of work recently and will list to rule out worn components:
Bottom arms
Top suspension mounts
Engine and gear box mount (not rear mount bush)
Drop links / anti-roll bar bushes
Offside driveshaft (long one as bearing went in driveshaft mount)
As you can see all the usual suspects have been replaced and I've checked my driveshafts both physically and with full locks on to rule out CV joint knocks.
#3: Re: knocking noise when pull away / accelerate Author: McGuiverNL, Location: AmsterdamPosted: Tue Oct 06, 2015 4:20 pm ---- Is it just a knocking noise? Or do you feel it too (through the steering)?
Could even be something lying loose otherwise?
#5: Re: knocking noise when pull away / accelerate Author: vanmanpaul83, Location: Nuneaton, WarickshirePosted: Fri Oct 09, 2015 11:24 am ---- **Update**
I remember for my last MOT (November) I had to have a new bottom arm on the drivers side as ball joint had slight play and so I had it changed. I know they supposed to be changed in pairs but only the faulty side was done. Also required track rod end as the dust cover had perished.
Now I'm actually thinking its possible the passenger side bottom arm bushes could be knackered however I had two new arms the year before. Actually fed up of cheap s**te Chinese parts the garages keep using.
Would a worn arm bush knock when you pull away on bite and when changing gear? I know they rattle over rough road surface and eventually the car starts pulling to one side. In the early stages they can be tricky to diagnose. Any help would be appreciated thanks.
#6: Re: knocking noise when pull away / accelerate Author: george_57, Posted: Sat Oct 10, 2015 5:12 am ---- just a guess, but could it be a bit of clutch judder, because i had the same symptoms on a punto i had and had to have a new clutch.
just thinking aloud.
#7: Re: knocking noise when pull away / accelerate Author: minky2106, Posted: Sat Oct 10, 2015 10:11 am ---- Could it possibly be rear axle beam mountings. I went to the trouble of changing the whole beam when I removed it I found that I could have just changed the mountings.
#8: Re: knocking noise when pull away / accelerate Author: bart84, Location: lancashirePosted: Thu Nov 12, 2015 3:06 pm ---- Have you managed to find the culprit yet?
I have an similar fault. If i accelerate and back off in a sraight line I get a knock and the steering twitches to the right!
Have also checked the obvious, replaced parts and have no sign of play
I'm contemplating steering rack but genuine ones are over £500 but no longer available and im not a fan of Euro's chinese cheap parts
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