annoying knocking noise coming from engine bay
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annoying knocking noise coming from engine bay
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27-12-2011, 07:17 PM
Recently my car has decided it likes to knock whenever i either speed up or slow down and it will knock quite loudly if i come off the throttle.
Originally thought it could be engine mount? Any ideas would be a help 
![[Image: 306ocsig_edited-1-1.jpg]](http://i1204.photobucket.com/albums/bb416/declantg/306ocsig_edited-1-1.jpg) 306 HDI, soon to be XUD
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Threads: 581 Joined: Dec 2011 Reputation: 195 Location: Bournemouth Car Model/Spec: Supercharged 306 GTi6 
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27-12-2011, 07:22 PM
Have a ganders at your engine mounts. Normally bottom one to knock. If they all look fine, get the wheels in the air and see if you can find any play.
Team Eaton
1999 China Blue 306 GTi6 - Eaton Supercharged - 214.5bhp 181lbft
27-12-2011, 07:23 PM
NiallHarper Wrote:Have a ganders at your engine mounts. Normally bottom one to knock. If they all look fine, get the wheels in the air and see if you can find any play. Yeah i will have a gander tomorrow, they a pig to change? 306 HDI, soon to be XUD
Posts: 19,854
Threads: 581 Joined: Dec 2011 Reputation: 195 Location: Bournemouth Car Model/Spec: Supercharged 306 GTi6
Thanks: 36
Given 82 thank(s) in 78 post(s)
27-12-2011, 07:26 PM
Bottom ones arnt the nicest because the o/s driveshaft has to come out. If its either of the top ones, there quite easy.
Just don't do what I did and drop the gearbox mount without anything under the gearbox lol
Team Eaton
1999 China Blue 306 GTi6 - Eaton Supercharged - 214.5bhp 181lbft 
Posts: 19,854
Threads: 581 Joined: Dec 2011 Reputation: 195 Location: Bournemouth Car Model/Spec: Supercharged 306 GTi6
Thanks: 36
Given 82 thank(s) in 78 post(s)
27-12-2011, 07:40 PM
Gbox mount was 8 quid, top was 12 and I haven't done the bottom but it should be cheap. Needs pressing though.
Team Eaton
1999 China Blue 306 GTi6 - Eaton Supercharged - 214.5bhp 181lbft 
27-12-2011, 07:41 PM
Sounds like bottom mount or a cracked chassis around the top mounting point.
Grab the top of the engine and rock it and see where it moves
Posts: 19,854
Threads: 581 Joined: Dec 2011 Reputation: 195 Location: Bournemouth Car Model/Spec: Supercharged 306 GTi6
Thanks: 36
Given 82 thank(s) in 78 post(s)
27-12-2011, 07:45 PM
declantg Wrote:a cracked chassis doesnt sound so great! Not as bad as you would think. Will only take a couple of minutes for someone to weld up.
Team Eaton
1999 China Blue 306 GTi6 - Eaton Supercharged - 214.5bhp 181lbft
27-12-2011, 07:47 PM
Just checked it and rocked it forwards and back, right hand side has more play
306 HDI, soon to be XUD
Posts: 1,213
Threads: 92 Joined: Dec 2011 Reputation: 5 Location: Birmingham Car Model/Spec: Subaru 20.d, GTi 6, 205 xs
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27-12-2011, 07:48 PM
Thats what iv got. Gonna weld it tomorrow
Vehicle repair and servicing in the midlands pm for details
Current cars Subaru Impreza 2.0d - Daily 306 1.8 - track whore soon to be GTI6
28-12-2011, 06:37 PM
can you feel the knock through the gearstick and steering wheel? could be subframe bolts coming loose.. mine came loose during an autotest once, thought it was a snapped engine mount until i lifted off on the way home and the steering wheel started moving back and forth..
28-12-2011, 06:43 PM
lh_4827 Wrote:can you feel the knock through the gearstick and steering wheel? could be subframe bolts coming loose.. mine came loose during an autotest once, thought it was a snapped engine mount until i lifted off on the way home and the steering wheel started moving back and forth.. Will have to have a look tomorrow but cheers man 
306 HDI, soon to be XUD
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