Maintenance, Engine & Driveline Tech This forum is brought to you by The Speed Syndicate (TSS) in Burnaby.
Discussion of maintaining your engine, transmission, differentails, rear ends, and mods associated with "driveline" parts..
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04-24-2011, 03:46 PM
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#1
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I bringith the lowerballerith
Join Date: Apr 2008
Location: vancouver
Posts: 1,149
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Engine KNOCK? what is this.
today: 2008 g35x
went to church (15min drive), 1hr later went to eat(5min drv), headed for home and about 15min in, suddenly the car is pulsating. it felt like it was "thumping" in revolutions so ithought it was tires so i pulled over, tires are fine. i start driving agian and it starts right away. i could feel it through the pedals(its not brake judder) so i pull over once more.
opened the hood, and reved it a little and i can hear it coming from the engine thump thump thumpthumpthump WTF. i was like 1min away from home so i came home.
in the garage i gave it gas and i could feel it ever so slightly when reving it but when i let the pedal go, as the rev drops and touchs 1.3k rpm ish it suddenly lags once while producing a little "bass" like thump and continues to go to idle rpm which the car doesnt produce any problem.
the whole experience felt like brake judder but with a very noticable sound.
whats wrong????? fuck dealership is probably closed tmrw too -.-
always run 91 + 6000km oil changes.
Last edited by geeknerd; 04-24-2011 at 03:52 PM.
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04-24-2011, 04:15 PM
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#2
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MonoPod 1 of 3
Join Date: Jul 2001
Location: Internet
Posts: 7,260
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I suggest a flatbed and not to drive the vehicle to a mechanic or the dealership. Autowest Infiniti is open tomorrow.
just a precautionary measure incase it's something serious and could be potentially harmless to the longevity of your engine.
Without a thorough diagnostic it is hard to say what it is from your description.
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04-24-2011, 04:22 PM
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#3
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I bringith the lowerballerith
Join Date: Apr 2008
Location: vancouver
Posts: 1,149
Thanked 457 Times in 190 Posts
Failed 397 Times in 91 Posts
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any engine work would be covered under warranty right? can i use autowest evne though i bought it at morrey infiniti coquitlam??
i dont really care about longevity of the engine cuz car is lease and i was planning to do a early contract cancellation next week. they gave me a fair price cuz car was in good condition + clean but this might change what they offered??? FUCK WHY 1 week before i get rid of the car -.-
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04-24-2011, 04:30 PM
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#4
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MonoPod 1 of 3
Join Date: Jul 2001
Location: Internet
Posts: 7,260
Thanked 1,024 Times in 444 Posts
Failed 89 Times in 17 Posts
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manufacturer warranty.
good at all dealers as long as they can fault it to a manufacturing process defect
with that said, they will probably tell you what they will charge for diagnostic time, and if indeed it is related to a manufacturing defect Infiniti will pick up all the charges under warranty. If not, you will have to pay for the diag time, and authorize any additional work that will hit your wallet.
as for it affecting the condition and pricing of your lease, won't do much don't fret it. Mechanical items will break whenever, I wouldn't lose sleep over it, just how it is.
the key now is to find out what caused it and how to fix it, and go from there.
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04-25-2011, 09:21 PM
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#5
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I Will not Admit my Addiction to RS
Join Date: Feb 2010
Location: my car
Posts: 583
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u said u can feel pulsation . i think ur car is misfiring. my guess spark plugs. if u bring it to any shop or the dealer they will put it in a scan tool and know for sure
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04-29-2011, 09:45 AM
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#6
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I bringith the lowerballerith
Join Date: Apr 2008
Location: vancouver
Posts: 1,149
Thanked 457 Times in 190 Posts
Failed 397 Times in 91 Posts
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it disappeared by itself and dealer said come back when it happens again.
so far its been fine.... hmm
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04-29-2011, 09:52 AM
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#7
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I contribute to threads in the offtopic forum
Join Date: Oct 2009
Location: richmond
Posts: 2,836
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it could have been a miss fire
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