displaying posts 1 to 13 of 13

Author Subject: Top mount causing knocking / popping noise
demondriverdan

Seasoned Pro

Location: Londinium

Registered: 29 Nov 2010

Posts: 2,665

Status: Offline

Post #1
Hi all.

The Rallye has been making a popping / knocking noise from the passenger side suspension and I think it's the top mount? It's prevalent when turning the wheel while the car is stationary and has now become louder while driving normally.

A garage has suggested it's the top mount, does this sound likely?

________________________________________

Rallye Race Car
Posted 12th Aug 2012 at 20:51
JWP EFi

Turbo Legend!

Location: edinburgh

Registered: 07 Mar 2010

Posts: 2,163

Status: Offline

Post #2
when stationary and going from lock to lock, do you get a 'twanging' noise? if yes, then most

likely will be top mount or rather, the bearing which will have dried out/seized
Posted 12th Aug 2012 at 21:04
mik

Seasoned Pro

Location: Kent

Registered: 17 Feb 2011

Posts: 2,100

Status: Offline

Post #3
Are the three bolts that hold it in tight enough (not too tight though). Maybe been overtightened in past and threads stripped?

As it is doing it when stationary get someone to turn the wheel while you listen with bonnet open.

________________________________________

Cherry Rallye SOLD

Posted 12th Aug 2012 at 21:06
JWP EFi

Turbo Legend!

Location: edinburgh

Registered: 07 Mar 2010

Posts: 2,163

Status: Offline

Post #4
also check for broken coil spring, although you'd notice the car sitting lower on one side

worth a look all the same, jack front of car up, turn wheels through lock by hand, ie, actually grab road wheel

and move it through its full travel
Posted 12th Aug 2012 at 21:18
stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

Posts: 21,768

Status: Offline

Post #5
The symptoms do indeed describe a typical top mount on its way to failing. Yes

________________________________________

"Supercharged - 454.1bhp/317.5lb/ft"
Peugeot 306 GTi-6
2000 (X), Moonstone Love
Posted 13th Aug 2012 at 12:34
demondriverdan

Seasoned Pro

Location: Londinium

Registered: 29 Nov 2010

Posts: 2,665

Status: Offline

Post #6
Cheers guys Smile

Any recommendation on what to do? I'm not really looking at replacing the struts / springs as well but there are any recommended, cheap-ish kits then I could be interested.

________________________________________

Rallye Race Car
Posted 15th Aug 2012 at 10:45
stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

Posts: 21,768

Status: Offline

Post #7
Depends how much you want to spend really mate, Spax do a good kit, 40mm lowered comes with new rear shocks as well for around the £350 mark...I had this kit for years, really recommend it. Yes

The only thing is you will then need to lower the rear 40mm to match. Wink

________________________________________

"Supercharged - 454.1bhp/317.5lb/ft"
Peugeot 306 GTi-6
2000 (X), Moonstone Love
Posted 15th Aug 2012 at 11:28
demondriverdan

Seasoned Pro

Location: Londinium

Registered: 29 Nov 2010

Posts: 2,665

Status: Offline

Post #8
Always been a fan of Spax, hmmmm. Might just get a new set of top mounts onto the stock suspension.

________________________________________

Rallye Race Car
Posted 15th Aug 2012 at 11:41
stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

Posts: 21,768

Status: Offline

Post #9
If it turns out to be the top mount causing the issue, then you could just replace the mounts for now and think about upgrading to a different suspension package in the future. The only downside to that is that you have to do the job twice in effect if you pull it all apart now and then do the same later on down the line to install the new setup. Smile

________________________________________

"Supercharged - 454.1bhp/317.5lb/ft"
Peugeot 306 GTi-6
2000 (X), Moonstone Love
Posted 16th Aug 2012 at 08:13
demondriverdan

Seasoned Pro

Location: Londinium

Registered: 29 Nov 2010

Posts: 2,665

Status: Offline

Post #10
True but I'm trying to save money on the road car and thus don't want to modify it too much.

________________________________________

Rallye Race Car
Posted 16th Aug 2012 at 08:45
niw

Junior User

Location: Frederiksberg

Registered: 30 Jan 2012

Posts: 73

Status: Offline

Post #11
If its not the topmount, check the steering rack if it's tightned enough.

I had some knocking as well and it helped by tightening the steering rack.
Posted 15th Oct 2012 at 08:46
demondriverdan

Seasoned Pro

Location: Londinium

Registered: 29 Nov 2010

Posts: 2,665

Status: Offline

Post #12
Turned out to be the droplink.

________________________________________

Rallye Race Car
Posted 15th Oct 2012 at 11:10
stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

Posts: 21,768

Status: Offline

Post #13
Easier and cheaper than you thought then - result. Thumbs up

________________________________________

"Supercharged - 454.1bhp/317.5lb/ft"
Peugeot 306 GTi-6
2000 (X), Moonstone Love
Posted 20th Oct 2012 at 18:11

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