is this my big ends knocking??
12 April 2006, 08:20 AM
#1
is this my big ends knocking??
ive got a deep knock coming from the middle of my engine on my my00, its only there when its hot and its only on tickover, it goes away when i rev it or drive it. its been there for a while now but it hasnt got any worse. the knocking isnt a constant knocking it seems to change rythem
Last edited by rentonone; 12 April 2006 at 08:22 AM.
12 April 2006, 08:23 AM
#2
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how long is "a while"??
if its big ends then you would expect them to give up very quickly and be conclusive that they have failed, certainly within a few days of driving and noticing the noise
alyn
if its big ends then you would expect them to give up very quickly and be conclusive that they have failed, certainly within a few days of driving and noticing the noise
alyn
12 April 2006, 08:28 AM
#4
Originally Posted by stockcar
how long is "a while"??
if its big ends then you would expect them to give up very quickly and be conclusive that they have failed, certainly within a few days of driving and noticing the noise
alyn
if its big ends then you would expect them to give up very quickly and be conclusive that they have failed, certainly within a few days of driving and noticing the noise
alyn
12 April 2006, 09:44 AM
#6
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Thats not big ends. you will hear them get worse as the revs increase - on my own car it was hardly discernable at tickover but at 2K RPM sounded like a tractor.
12 April 2006, 10:30 AM
#7
Originally Posted by p1mark
Thats not big ends. you will hear them get worse as the revs increase - on my own car it was hardly discernable at tickover but at 2K RPM sounded like a tractor.
i wonder what it could be tho
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12 April 2006, 10:41 AM
#8
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Could be one of the manifolds (sorry headers ) Blowing. That will sound like a thuding noise at idle and you wont really notice it when the revs increase.
If you've got a heat shield on your turbo whip it off and look for signs of exhaust gasses (black dust residue) on the inside, this will identify a leak at the join with the turbo.. Otherwise get under neath and have a good listen.
) Blowing. That will sound like a thuding noise at idle and you wont really notice it when the revs increase.If you've got a heat shield on your turbo whip it off and look for signs of exhaust gasses (black dust residue) on the inside, this will identify a leak at the join with the turbo.. Otherwise get under neath and have a good listen.
12 April 2006, 11:17 AM
#10
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Water pump on its way out?
When mine went I noticed it knocking at idle and the knocking got lost with other noise as revs increased. when diagnosed I was advised not to drive the car in case it failed and threw the cambelt.
Its not a 'deep' knock but a knock nonetheless - not a tappety or injector tick anyway.
HTH
When mine went I noticed it knocking at idle and the knocking got lost with other noise as revs increased. when diagnosed I was advised not to drive the car in case it failed and threw the cambelt.
Its not a 'deep' knock but a knock nonetheless - not a tappety or injector tick anyway.
HTH
12 April 2006, 04:37 PM
#11
cheerz for your replies. its definatly not the exhaust blowing or anythin like that and i dont think its the cambelt tensioner or water pump knocking. there is a couple of subaru specialists by me i,ll take it down and see what they say. thanks again
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