GreenSheener Posted December 23, 2011 Share Posted December 23, 2011 Hi guys, hoping someone can offer some advice, i have a 2003 350z, with a few simple mods, pleum spacer, panel filter, y-pipe, apexi exhaust and ecu unlocked at abbey motorsport, the car is serviced regularly and has been flawless, until this week. driving to work i noticed a slight rattle at 3000rpm as i entered the works car park, i assumed it was just a rattly heat sheild. but whe i took it to my local exhaust garage, they said my big end bearings have gone! the rattle has become very loud at 3000rpm now. i ended up calling a\recovery vehicle an got towed home i was that worried. thing is, my oil level and pressure is fine, and this is the first time its ever made this kind of noise. anyone have any ideas what else it could be? injector mis timed? knocking? its going toan engine specialist today, i hope i dont need a rebuild two days before xmas Quote Link to comment Share on other sites More sharing options...
Dom187 Posted December 23, 2011 Share Posted December 23, 2011 How many miles you got? FSH? Have you used 95 ron or 99 ron fuels? Has the oil gone low in the last? Quote Link to comment Share on other sites More sharing options...
GreenSheener Posted December 23, 2011 Author Share Posted December 23, 2011 car has just got to 70000 miles, serviced regularly, only ever use super unleaded, engine oil looks used but good, and no metallic bits in it, oil level and pressure are fine. its so odd, been fine till this week it does sound v poorly tho recovery vehilce is coming at 10am, taking it to a local engine specialist, fingers crossed Quote Link to comment Share on other sites More sharing options...
Dom187 Posted December 23, 2011 Share Posted December 23, 2011 Well I wish you all the best with it fella, sounds like you looked after her ok so will just have to see what the specialist says...Keep us posted. Quote Link to comment Share on other sites More sharing options...
Southernspeed Posted December 23, 2011 Share Posted December 23, 2011 Don't start an engine strip on the word of an exhaust fitter! get someone who know's Zs to listen/look. Good luck with it, let's hope it's something simple. Who are you taking it to? Main dealer or indi? Quote Link to comment Share on other sites More sharing options...
Dom187 Posted December 27, 2011 Share Posted December 27, 2011 what happened? Quote Link to comment Share on other sites More sharing options...
MFM Posted December 27, 2011 Share Posted December 27, 2011 Hi guys, hoping someone can offer some advice, i have a 2003 350z, with a few simple mods, pleum spacer, panel filter, y-pipe, apexi exhaust and ecu unlocked at abbey motorsport, the car is serviced regularly and has been flawless, until this week.driving to work i noticed a slight rattle at 3000rpm as i entered the works car park, i assumed it was just a rattly heat sheild. but whe i took it to my local exhaust garage, they said my big end bearings have gone! the rattle has become very loud at 3000rpm now. i ended up calling a\recovery vehicle an got towed home i was that worried. thing is, my oil level and pressure is fine, and this is the first time its ever made this kind of noise. anyone have any ideas what else it could be? injector mis timed? knocking? its going toan engine specialist today, i hope i dont need a rebuild two days before xmas What was the fault, problem? Quote Link to comment Share on other sites More sharing options...
Dicky Posted December 27, 2011 Share Posted December 27, 2011 Doesn’t sound like big ends to me, especially if your oil pressure’s ok. Have you tried running the engine on tick over and listening with a sounding stick (a long screwdriver/other placed on the engine casting with the handle against your ear. You can listen to internal engine sounds that way and would hear anything going wrong internally. I noticed a rattle on mine recently after a journey. Noticed it when I got to open the garage door. Switched off straight away and called the RAC next morning but when they arrived and we started it up the noise had gone! Best of luck with it, and as others have said don’t listen to a exhaust mechanic, bloody hell I don’t know much about cars but could hold down a job fitting exhausts, no prob’s Quote Link to comment Share on other sites More sharing options...
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