bkjmr Posted March 29, 2012 Share Posted March 29, 2012 Unsure what the problem is. Initially i thought it was the bottom end because that what the recovery man said. The day the noise began the car first stalled at the lights then when I pulled off and pulled over I heard the noise. I then took it to get fuel where it stalled again once i started it. It didn't stall when I pulled over prior to getting petrol. Them mid way through driving the car cut out and wouldn't start. I was only hearing a single clicking noise. I left it for about 20 minutes then it started but it was making the horrible rattle noise still. The engine seems to be fine with no loss of power or low oil pressure. There is no check engine light on. The noise gets louder as the rpm increases. I think it could be a loose flywheel but I'm not 100% sure (from similar sounding videos on youtube). I made a recording of it this morning to post to see if anybody can diagnose it or has had something similar before. There was a new clutch and flywheel installed about 2 months ago so it may be that the garaged has not torqued everything up properly. I have been searching but I thought I would make a post as I didn't find much. Youtube Video Under Car Youtube Video in Engine Bay Quote Link to comment Share on other sites More sharing options...
sasha@lazytrips Posted March 29, 2012 Share Posted March 29, 2012 Could well be something minor like an exhaust connection/bracket. What petrol do you run the car on? Quote Link to comment Share on other sites More sharing options...
bkjmr Posted March 29, 2012 Author Share Posted March 29, 2012 Tescos super unleaded or total normal if i cant get to Tesco. I live in a semi rural area so Tescos is 20 minutes away and shell is 35. I don't get shell because it's too far out of the way. Quote Link to comment Share on other sites More sharing options...
Bry Posted March 29, 2012 Share Posted March 29, 2012 sorry but that sounds like big end bearings to me Quote Link to comment Share on other sites More sharing options...
docwra Posted March 29, 2012 Share Posted March 29, 2012 Does the frequency increase with revs? Will it do it off load or only under load/when the car is moving stationary? Is there a certain rpm where its louder, or starts and stops? Have you had someone else rev the engine while you stand outside and listen to it? Edit: If its there on tickover its unlikely to be the bottom end, also if it still does it off load Quote Link to comment Share on other sites More sharing options...
mc Posted March 29, 2012 Share Posted March 29, 2012 could it be a worn timing chain? I'm thinking of the poor starting. Quote Link to comment Share on other sites More sharing options...
bkjmr Posted March 29, 2012 Author Share Posted March 29, 2012 Started it just now and went up and down the driveway. Sounds like a piston or something in the engine is rattling now, its more at the front of the engine now the noise. The rattle initially was at the rear bottom of the engine now there is a much louder one at the top. Quote Link to comment Share on other sites More sharing options...
Zugara Posted March 29, 2012 Share Posted March 29, 2012 That sounds expensive.... Quote Link to comment Share on other sites More sharing options...
bkjmr Posted March 29, 2012 Author Share Posted March 29, 2012 Any more ideas before i take it to a garage? Quote Link to comment Share on other sites More sharing options...
docwra Posted March 29, 2012 Share Posted March 29, 2012 I dunno, perhaps ........ Does the frequency increase with revs? Will it do it off load or only under load/when the car is moving stationary? Is there a certain rpm where its louder, or starts and stops? Have you had someone else rev the engine while you stand outside and listen to it? Edit: If its there on tickover its unlikely to be the bottom end, also if it still does it off load just an idea like. Quote Link to comment Share on other sites More sharing options...
bkjmr Posted March 29, 2012 Author Share Posted March 29, 2012 Does the frequency increase with revs? Will it do it off load or only under load/when the car is moving stationary? Is there a certain rpm where its louder, or starts and stops? Have you had someone else rev the engine while you stand outside and listen to it? Edit: If its there on tickover its unlikely to be the bottom end, also if it still does it off load The noise has changed now though, it is much louder knocking/rattling coming from inside the engine. It does it all the time stationary and when moving. The noise now beings from when i turn the engine on. As the rpm gets higher so does the noise level, although i haven't taken it past 3500rpm. At about 3000rpm its at its louder but it may be because i haven't taken it higher. Should I take it past this level? I'm not too sure if the frequency increases but i think it does. I have has someone in the car whilst I listen, it doesn't sound healthy. As I said earlier it now sounds as if it's coming form the front of the engine. Sorry for only replying now, I thought I replied earlier because I went out to double check your questions answers. Quote Link to comment Share on other sites More sharing options...
sasha@lazytrips Posted March 29, 2012 Share Posted March 29, 2012 Loud internal rattling could be any number of things from piston issues or a cracked spark plug to many other problems. Only way to know is to take the top off and begin looking at things one by one. Quote Link to comment Share on other sites More sharing options...
Bry Posted March 29, 2012 Share Posted March 29, 2012 Turn it off and don't run it again until a proffessional can take a look at it for you as you may be doing more damage to the engine by running it!!!!!!!!!!!!!!!!!! Are you with the AA etc ? Quote Link to comment Share on other sites More sharing options...
bkjmr Posted March 29, 2012 Author Share Posted March 29, 2012 I'm with the RAC. Will leave the car alone till Monday. Quote Link to comment Share on other sites More sharing options...
stubzie83 Posted March 29, 2012 Share Posted March 29, 2012 Could be a bad belt tensioner. This makes a similar noise (from experience on a another car) and might explain the cutting out if the alternator belt is not tight. Quote Link to comment Share on other sites More sharing options...
ZMANALEX Posted March 29, 2012 Share Posted March 29, 2012 Had a listen to the vids and it sounds like it may be a rod about to let loose, however it could be a number of other things. Get a pro to have a listen and an informed diagnoses should be forthcoming within a few minutes, without stripping. Where are you based? Alex Quote Link to comment Share on other sites More sharing options...
bkjmr Posted March 29, 2012 Author Share Posted March 29, 2012 I'm in South Wales. Getting an engine specialist to have a look tomorrow night. Quote Link to comment Share on other sites More sharing options...
ZMANALEX Posted March 29, 2012 Share Posted March 29, 2012 I'm in South Wales. Getting an engine degree guy to have a look tomorrow night. Good luck however I fear the worse. Alex Quote Link to comment Share on other sites More sharing options...
bkjmr Posted March 29, 2012 Author Share Posted March 29, 2012 I'm in South Wales. Getting an engine degree guy to have a look tomorrow night. Good luck however I fear the worse. Alex Me too. It's not all bad, I have really enjoyed the 3k miles i got from it so far . Do you know the price for a rebuild by any chance Alex? Going to ask the guy tomorrow but would like a rough estimate. Quote Link to comment Share on other sites More sharing options...
ZMANALEX Posted March 29, 2012 Share Posted March 29, 2012 I'm in South Wales. Getting an engine degree guy to have a look tomorrow night. Good luck however I fear the worse. Alex Me too. It's not all bad, I have really enjoyed the 3k miles i got from it so far . Do you know the price for a rebuild by any chance Alex? Going to ask the guy tomorrow but would like a rough estimate. Okay, let's be proactive Rebuilds are not usually cost effective and a low mileage engine form a known doner vehicle is the way forward What year and engine model is your car? VQ35DE VQ35DE Rev Up HR Alex Quote Link to comment Share on other sites More sharing options...
bkjmr Posted March 29, 2012 Author Share Posted March 29, 2012 VQ35DE 2004 Car Have had a look at engines. So far the best one is a 40k mile engine for £1200 delivered. With 3 month warranty. Quote Link to comment Share on other sites More sharing options...
docwra Posted March 30, 2012 Share Posted March 30, 2012 Hmmm. It definitely sounds like piston slap which would suggest a big end failure, the only thing Im not 100% on is that it doesnt sound like its constant if you hold it at constant revs - this could suggest something more top endy, I recently had a ring break up on my S13 and it was making similar noises. Either way theres something moving around there that shouldnt be, Id get it looked at ASAP, certainly avoid driving it. Quote Link to comment Share on other sites More sharing options...
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