Car shut down on me @ the track :(
#1
Car shut down on me @ the track :(
That knocking sound I encountered a couple of days ago might be more serious than I thought (sounds like metal to metal)
@ the track 2day after 3 runs (the last two taking it to 7000rpm), the car simply shut off on me, leaving me coasting in D after trying to park it. This happened when the car was @ low RPM.
Upon restarting it, the same knocking (again, sounds like metal to metal and fairly prominent/noticable) returns. Dave (black5spdmax) and Frank (max vq) think it may be something to do with the valvetrain. Or could it be the recently installed MEVI with a lacking EGR gasket is causing such a significant vacuum leak that the car runs too lean, hence shutting down, after being pushed WOT many times?
After taking it to 40km/h (just like after the first time I heard this sound a couple of days ago), the car runs normal and fine @ WOT on the hwy. Even took it to 160km/h no problem.
Any ideas to the causes/remedies of this problem? The car is running/sounding perfectly fine now.
@ the track 2day after 3 runs (the last two taking it to 7000rpm), the car simply shut off on me, leaving me coasting in D after trying to park it. This happened when the car was @ low RPM.
Upon restarting it, the same knocking (again, sounds like metal to metal and fairly prominent/noticable) returns. Dave (black5spdmax) and Frank (max vq) think it may be something to do with the valvetrain. Or could it be the recently installed MEVI with a lacking EGR gasket is causing such a significant vacuum leak that the car runs too lean, hence shutting down, after being pushed WOT many times?
After taking it to 40km/h (just like after the first time I heard this sound a couple of days ago), the car runs normal and fine @ WOT on the hwy. Even took it to 160km/h no problem.
Any ideas to the causes/remedies of this problem? The car is running/sounding perfectly fine now.
#2
Member who somehow became The President of The SE-L Club
iTrader: (19)
Join Date: Jun 2001
Posts: 16,033
I hope you didn't lose a butterfly valve and suck a few screws into your engine. There was a post on here not to long ago from somebody who had that happen. I can't remember his name. Search MEVI and see if you can find that post.
#3
Originally posted by njmaxseltd
I hope you didn't lose a butterfly valve and suck a few screws into your engine. There was a post on here not to long ago from somebody who had that happen. I can't remember his name. Search MEVI and see if you can find that post.
I hope you didn't lose a butterfly valve and suck a few screws into your engine. There was a post on here not to long ago from somebody who had that happen. I can't remember his name. Search MEVI and see if you can find that post.
But for the original poster, I'd be betting on the valvetrain too. I'd almost be betting on a sticking valve since it doesn't happen all the time, and you hear the metal to metal noise.
#5
Originally posted by Nealoc187
Drew... he's got MEVI hence he's got butterfly valves.
Is this the same noise as was in the video titled Justin.mov? If so, you're screwed. That motor is toast.
Drew... he's got MEVI hence he's got butterfly valves.
Is this the same noise as was in the video titled Justin.mov? If so, you're screwed. That motor is toast.
the thing is the sound happens very rarely
on his drive home, the car was fine.
also, his knock sensor is dead.
btw...about the hardest stopping maxima in your sig...hehe
we had a max owner in toronto with 8 pot WP brakes with 14" rotors...
#6
Originally posted by Dev
yeah that video is justins (shoooter_j's) car.
the thing is the sound happens very rarely
on his drive home, the car was fine.
also, his knock sensor is dead.
btw...about the hardest stopping maxima in your sig...hehe
we had a max owner in toronto with 8 pot WP brakes with 14" rotors...
yeah that video is justins (shoooter_j's) car.
the thing is the sound happens very rarely
on his drive home, the car was fine.
also, his knock sensor is dead.
btw...about the hardest stopping maxima in your sig...hehe
we had a max owner in toronto with 8 pot WP brakes with 14" rotors...
That's weird that the sound is intermittent. Still sounds like something major.
#7
Originally posted by Nealoc187
Dang. Aha but what pads did he have
That's weird that the sound is intermittent. Still sounds like something major.
Dang. Aha but what pads did he have
That's weird that the sound is intermittent. Still sounds like something major.
I'm gonna open up the VI either 2day or tomorrow and see if there are any butterfly valves loose.
#8
Originally posted by Nealoc187
Dang. Aha but what pads did he have
That's weird that the sound is intermittent. Still sounds like something major.
Dang. Aha but what pads did he have
That's weird that the sound is intermittent. Still sounds like something major.
Daniel: i hope you're not mad i posted this pic
he's selling them in the general forum...trust me, that thing stops on a dime with 5 ppl in the car
J: sorry to ***** up your thread
if you need any help im free after tuesday, just gimme a call.
#9
Originally posted by njmaxseltd
I hope you didn't lose a butterfly valve and suck a few screws into your engine. There was a post on here not to long ago from somebody who had that happen. I can't remember his name. Search MEVI and see if you can find that post.
I hope you didn't lose a butterfly valve and suck a few screws into your engine. There was a post on here not to long ago from somebody who had that happen. I can't remember his name. Search MEVI and see if you can find that post.
Before jumping to replace/rebuild the motor, would a full engine flush or oil change hopefully flush those screws out?
#11
Supporting Maxima.org Member
iTrader: (54)
Join Date: Feb 2001
Location: Northern Jersey
Posts: 10,166
How did the valves brake ?? its not like there under any stress...Maybe he didnt put the screws in tight enough, like a final tightening that your suppose to do, and when the ratteled loose, the VI opened and the screws went down in the engine...then the plate just sat in there gettin tossed around...because if i recall, the plates cant fit down that hole as long as the bars accross preventing it ??
-matt
-matt
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