Jack Carter Posted January 7, 2016 Posted January 7, 2016 (edited) Hi, I've had my 370z auto for nearly two years now and it has been flawless and trouble free throughout. Fully serviced at Nissan main dealer. This evening, I took her out for a run - about 10 miles. I didn't push it at all until the oil temp was up and even then I didn't floor it. When I arrived back home, parked on the drive and still running, I could hear a bit of a knocking noise which appeared to be coming from the engine. I've never heard his before. I reversed off the drive and drove around the block, back onto the drive, and couldn't hear it. So, I drove the car into the garage, put it in "park" and I heard it again. A slight blip on the throttle and I couldn't hear it again. Any ideas ? Has anyone else had this. It is concerning to say the least. It has only done 25000 miles. Cheers. Edited January 8, 2016 by Jack Carter Quote
nissanman312 Posted January 7, 2016 Posted January 7, 2016 Could be anything However small or large get it checked by a professional before you panic Make sure your levels are all good But sounds like your doing that anyway Good luck Quote
Jack Carter Posted January 7, 2016 Author Posted January 7, 2016 Cheers nissanman. It is due its next service at Westway Wolverhampton in March but I think I need to get it looked at before then. I just wondered if any members on here had come across anything that sounded like my issue. Thanks again. Quote
nissanman312 Posted January 7, 2016 Posted January 7, 2016 Cheers nissanman. It is due its next service at Westway Wolverhampton in March but I think I need to get it looked at before then. I just wondered if any members on here had come across anything that sounded like my issue. Thanks again. Try and get a decent video of the noise up mate see if anyone has any ideas Mine makes some funny noises at times I think there a little agricultural But like I say get a video up hard to tell without hearing it 1 Quote
Jack Carter Posted January 7, 2016 Author Posted January 7, 2016 I'll do that tomorrow for sure. Cant do it tonight as the Mrs would lock me out if I start faffing about at this time of night It's a strange issue. It sounds beautiful when being driven. It only crops up at tickover Quote
nissanman312 Posted January 7, 2016 Posted January 7, 2016 They do sound a little course at time Mine makes a kind of clutch flywheel sort of noise on tick over I've learnt to take no notice lol Good luck Quote
flyboy Posted January 7, 2016 Posted January 7, 2016 +1 Sound great at full chat On tick over with the bonnet open your looking round for the tractor. Quote
ZMANALEX Posted January 8, 2016 Posted January 8, 2016 Next time the noise is apparent, try switching on the air con to take the revs up slightly, just to see if the noise diminishes. Failing that, take the revs up to 1000rpm to check if the noise disappears. 1 Quote
Jack Carter Posted January 8, 2016 Author Posted January 8, 2016 2010. Daft question, but is it a timing chain or belt in these. Could the noise be the chain ? I'll be posting up video as soon as I get home from work. Thanks all. Quote
Jack Carter Posted January 8, 2016 Author Posted January 8, 2016 Next time the noise is apparent, try switching on the air con to take the revs up slightly, just to see if the noise diminishes. Failing that, take the revs up to 1000rpm to check if the noise disappears. Will do and will report back. Cheers. Quote
Jack Carter Posted January 8, 2016 Author Posted January 8, 2016 Video compiling as I type this. I think I may have sussed the issue. I think it is the exhaust. The video I'm posting shows Idling from a cold start, Idling when warm, Switching on Air Con, Gentle revving and idle - all of which sound perfect with no noise issues. The final part of the clip is after a short run in the car. The noise can then be heard clearly. While I was looking I dropped my keys on the floor. When I bent down to pick them up I could hear the noise more clearly from under the car so I got underneath and it was much louder there, which leads me to think it is the exhaust. Any thoughts ? Can't see how to embed youtube clips so, Video Link - https://www.youtube.com/watch?v=Pr91JcRREJ0&feature=youtu.be Thanks everyone. Quote
Richf Posted January 8, 2016 Posted January 8, 2016 Its so hard to tell on these videos but I would be checking it into a specialist (Not Nissan) if it were me, my worry would be oil gallery gaskets so the noise would be worse when hot at idle Quote
Mark@Abbey m/s Posted January 8, 2016 Posted January 8, 2016 Its so hard to tell on these videos but I would be checking it into a specialist (Not Nissan) if it were me, my worry would be oil gallery gaskets so the noise would be worse when hot at idle the 370Z comes with the updated oil gallery gaskets Quote
Richf Posted January 8, 2016 Posted January 8, 2016 Its so hard to tell on these videos but I would be checking it into a specialist (Not Nissan) if it were me, my worry would be oil gallery gaskets so the noise would be worse when hot at idle the 370Z comes with the updated oil gallery gaskets http://www.350z-uk.com/topic/99607-zed-owners-must-read-p0011-p0021-caused-by-oil-gallery-gaskets/ So this thread is not accurate then ? Quote
Mark@Abbey m/s Posted January 8, 2016 Posted January 8, 2016 Its so hard to tell on these videos but I would be checking it into a specialist (Not Nissan) if it were me, my worry would be oil gallery gaskets so the noise would be worse when hot at idle the 370Z comes with the updated oil gallery gaskets http://www.350z-uk.c...allery-gaskets/ So this thread is not accurate then ? Seems I might be wrong early 370Z are listed with 350Z gaskets on our parts list. Quote
Jack Carter Posted January 8, 2016 Author Posted January 8, 2016 If it were oil gallery gaskets, would there be a loss of oil (which I'd see on the garage floor ?) Quote
nissanman312 Posted January 8, 2016 Posted January 8, 2016 I think theveryone gaskets changed on 2011 annoyingly which is worrying for us early owners Quote
nissanman312 Posted January 8, 2016 Posted January 8, 2016 If it were oil gallery gaskets, would there be a loss of oil (which I'd see on the garage floor ?) No because it goes round the timing case and drops back into sump I think Quote
Jack Carter Posted January 8, 2016 Author Posted January 8, 2016 Yep. Just read through the thread that richf linked. Anyone any experience on having this done at an Indy ? What cost etc ? Quote
Richf Posted January 8, 2016 Posted January 8, 2016 Its too early to panic mate I would suggest getting the oil pressure checked when hot first , a decent place should charge no more than 1 hours labour , once you have that data you can work out your next step As I said earlier its really hard to diagnose a fault like this online but bearing in mind the oil gallery gasket issue it could well be increased valve train noise due to reduced oil pressure at idle , but its just a thought The 350HR guys might be able to give you an idea of what they paid as a ballpark 1 Quote
Jack Carter Posted January 8, 2016 Author Posted January 8, 2016 Must admit, I am panicking a bit. It is due for a P2 service in March. Wondering whether I should wait till then. What is the consensus... Min dealer or Indy to have the Gallery gaskets checked while in for a service. I've had no loss in power / limp mode and the oil temp reaches the same level as its always done (though I appreciate that this is not the same as oil pressure.) Thanks for the help everyone. Quote
Richf Posted January 8, 2016 Posted January 8, 2016 I personally prefer a specialist to do stuff like this, most Nissan dealers wouldnt have a clue , you could get the p2 done at the ssme time which would make sense. I wouldnt leave it myself Quote
nissanman312 Posted January 8, 2016 Posted January 8, 2016 Yeah as rich says sack Nissan off especially Wolverhampton there not even a hpc Go and see mitz and Andy at cougar store Or someone like abbey or Horsham if you don't mind travelling Nissan don't care they just know what there told 1 Quote
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