#1: 206 gti 180 front end knock Author: mjrimmer, Location: davenportPosted: Thu Aug 11, 2011 5:50 pm ---- Hi Chaps new to this forum normally over on landyzone.
Ive got a 205 180 gti that has a knocking issue. Front left engine mount changed bottom mount inspected and new trail arm attatched. The bottom mount looks fine and tests ok....can it still be faulty? there's no visible play in drop links and anti roll bars bushes.
The car will make a clunk between 1st and 2nd gear if driven hard and then with low revs rough surface i.e. cobbles will knock like a good thing.
The wishbones seem to be ok as there is no majr movement even using a pry bar, car has just passed its mot and nothing picked up.
there's no torque steer so i would assume wishbone are ok and the drop links seem to be a ok aswell........is the only way to check theses properly by removing them?
#2: Re: 206 gti 180 front end knock Author: shell-vt, Location: durhamPosted: Fri Aug 12, 2011 12:49 am ---- when our 180 developed a knocking we changed almost everything...
then found out it was steering rack ends
#3: Re: 206 gti 180 front end knock Author: Sheepsteeth, Location: BerkshirePosted: Fri Aug 12, 2011 2:39 pm ---- The type of knocking you describe does point towards the drop links. They're a classic for that kind of noise. fine or rare on the flats but clonk a treat on the rougher stuff.
If you're sure they are in good nick though, could it be the exhaust knocking on the underside/chassis. Check for broken exhaust mounts or if the exhaust itself is running unusually close to the body anywhere. Remember though, even if it isn't touching, with the forces of the car clattering over bumps etc, the engine and exhaust will move around considerably.
Good luck in finding it
#4: Re: 206 gti 180 front end knock Author: Sheepsteeth, Location: BerkshirePosted: Fri Aug 12, 2011 2:41 pm ---- Forgot to mention, if it is the track rod ends as suggested, a swift left/right wiggle of the steering wheel whilst stationary should highlight any problems there.
#5: Re: 206 gti 180 front end knock Author: mjrimmer, Location: davenportPosted: Sat Aug 13, 2011 3:13 am ---- Hi, thanks for your replys.
As the drop links are a cheap repair for good quality ones i'll give them a go anyway.
The exhuast is ok i've crawled all over it and given it a good shake.
One thing, the guy we bought the car off says he changed the dogbone engine mount, which as far as i know is the torsional damper at the bottom of the engine (this was on an mot advisory).....but the one he actually changed was the gearbox mount. The bottom one looks ok with no splits etc.......could it still be goosed?. When the engine is first started there is a fair bit of movement left to right and then it settles down fine, and when reving it doesn't move that much.
#6: Re: 206 gti 180 front end knock Author: Nizmo, Location: Selston NottinghamshirePosted: Sat Aug 13, 2011 4:22 am ---- My mate has a 180 gti and had a knocking when changing gear. He changed loads. Drop links, Engine mount etc. Found out in the end it was his cat. It had come lose inside some how. Might be worth alook. We jacked the front end up and rotated the wheel as hard as we could.
#7: Re: 206 gti 180 front end knock Author: mjrimmer, Location: davenportPosted: Sat Aug 13, 2011 5:32 am ---- Hi,
just been under it again..........cat is ok.
I've just tightened up one of the nuts on the manifold sheild there was a tiny amount of play on one side, and the other flimsy heat sheild was touching the body so i've slightly altered that to give it good clearance.
I'm off to get the drop links, i'll see if there is any improvement.
The noise when accelerating hard between 1st and 2nd is a right thud unless you do a smooth change and it's fine in all other gears, my drive shafts are in great condition with no play at all, so that counts them out.
The faster you drive on the rough stuff the less the knocking noise occurs?
#8: Re: 206 gti 180 front end knock Author: Sheepsteeth, Location: BerkshirePosted: Sat Aug 13, 2011 12:19 pm ---- Sounds more like the lower engine mount in that case. Rough ground would make the noise worse if it was the drop links.
#9: Re: 206 gti 180 front end knock Author: mjrimmer, Location: davenportPosted: Sat Aug 13, 2011 2:56 pm ---- Yep not the drop links, I changed them earlier and it's just the same.
The lower mount looks ok, no splits or anything.....do these go weak with time?
#10: Re: 206 gti 180 front end knock Author: mjrimmer, Location: davenportPosted: Sun Aug 14, 2011 4:29 pm ---- Has anyone managed to change the lower engine mount bush without having to remove the drive shaft and take the housing off the car?
#11: Re: 206 gti 180 front end knock Author: Sheepsteeth, Location: BerkshirePosted: Tue Aug 16, 2011 11:37 pm ---- In answer to your question, no. Id say it's probably too awkward to get any type of tooling on the mount to change the bush whilst in situ. I take it all other mounts are good though? Gearbox mount usually gets forgotten as it's tucked away under the battery box.
#12: Re: 206 gti 180 front end knock Author: Edward, Location: In the garagePosted: Wed Aug 17, 2011 1:27 am ----
mjrimmer wrote:
Has anyone managed to change the lower engine mount bush without having to remove the drive shaft and take the housing off the car?
No...it needs pressing out.
#13: Re: 206 gti 180 front end knock Author: mjrimmer, Location: davenportPosted: Wed Aug 17, 2011 1:59 am ----
Sheepsteeth wrote:
In answer to your question, no. Id say it's probably too awkward to get any type of tooling on the mount to change the bush whilst in situ. I take it all other mounts are good though? Gearbox mount usually gets forgotten as it's tucked away under the battery box.
Hi, Yep it has a new gearbox mount on it.
As for pressing it out in situ, I was hoping i could be lazy and save myself some time but as said it would be quicker to remove instead of wasting time stuggling with it in place.
On the top mount how much space should there be between the for and aft rubber bumpers?
#14: Re: 206 gti 180 front end knock Author: mjrimmer, Location: davenportPosted: Tue Aug 23, 2011 12:05 pm ---- Just had it on the ramp at my local garage, it's the near side wishbone front bush thats shot. I'll pick one up in the morning and get it changed over on saturday morning.
#15: Re: 206 gti 180 front end knock Author: mjrimmer, Location: davenportPosted: Sun Sep 04, 2011 12:51 pm ---- I finally got round to changing the wishbone today...Pleased to report it's quiet as a mouse now.
Happy days until the next fault.
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