displaying posts 1 to 9 of 9

Author Subject: Bottom End Knocking
shakey

Regular

Location: Buckley

Registered: 23 Sep 2008

Posts: 492

Status: Offline

Post #1
After each outing in the track car I return to the pits and leave the car running with the bonnet up. There's a slight knocking which stops after a few minutes. Is it shagged ?

If so what's my best course of action ?

Cheers , Steve
Posted 7th Sep 2009 at 01:58
lotek

Seasoned Pro

Location: Berkshire

Registered: 04 Dec 2007

Posts: 6,107

Status: Offline

Post #2
thats a bit bizzare? it just stops? checked your oil level? also look at coilpacks and sparkplugs, willy had something simular happen iirc
Posted 7th Sep 2009 at 02:05
shakey

Regular

Location: Buckley

Registered: 23 Sep 2008

Posts: 492

Status: Offline

Post #3
2 or 3 minutes and it stops. Oil is spot on, plugs are less than 12 months old, not checked coilpacks though.
Posted 7th Sep 2009 at 02:36
lotek

Seasoned Pro

Location: Berkshire

Registered: 04 Dec 2007

Posts: 6,107

Status: Offline

Post #4
re torque the plugs and coilpacks. eliminate all the little things first.
although it doesent sound too good
Posted 7th Sep 2009 at 02:40
roland rat

Yeeeah Rat fans!

Location: Swansea

Registered: 29 Nov 2006

Posts: 22,284

Status: Offline

Post #5
Is it little little taps and knocks?

if so its just the engine bits like exhaust cooling down and contracting that makes the noises Wink
Posted 7th Sep 2009 at 02:42
shakey

Regular

Location: Buckley

Registered: 23 Sep 2008

Posts: 492

Status: Offline

Post #6
No it's deffo a mechanical knocking from down below
Posted 7th Sep 2009 at 13:38
bobdylan_55

Seasoned Pro

Location: derby

Registered: 28 Mar 2009

Posts: 1,466

Status: Offline

Post #7
how new is the engine?

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309 GTi6-T
Posted 7th Sep 2009 at 13:45
shakey

Regular

Location: Buckley

Registered: 23 Sep 2008

Posts: 492

Status: Offline

Post #8
82K on the clock which I was told as being correct by the previous owner. If it goes bang then so be it, I'll just have to sort it as and when. I was just enquiring if there was any way other than an engine out to fix a bottom end knock.
Posted 7th Sep 2009 at 19:05
daveyboy

aka Jim Davey

Location: Southampton

Registered: 01 Oct 2007

Posts: 8,648

Status: Offline

Post #9
shakey wrote:
82K on the clock which I was told as being correct by the previous owner. If it goes bang then so be it, I'll just have to sort it as and when. I was just enquiring if there was any way other than an engine out to fix a bottom end knock.


Bearings and such can be replaced from below, it's just a bit of a pain doing all that overhead. Than again so is removing the whole engine, but as Lotek suggested, eliminate the small tests first before you start pulling her apart.

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Posted 7th Sep 2009 at 19:08

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