asma123

iTrader: (2)

hey guys I've been having an issue mainly with accelerating. Today I turned on my car (it's been sitting since I upgraded vehicles.) I turned it on and reved it up a bit and I noticed there was this rattle everytime I rev it up. Any ideas?
I got the 2k2 maxima gxe model. heres what it sounds like.
http://www.mediafire.com/?ps3nod8pk95gpo2

asma123

iTrader: (2)

Bump

Anyone got any ideas?

Ghost_54

iTrader: (13)

perhaps check the front heat shield on the exhaust, they do have a habit of becoming loose and creating a slight rattle noise.

knight_yyz

iTrader: (40)

when was the last time you checked the oil level?

asma123

iTrader: (2)

I'll check it when I have time. I'm sure it should be ok
last oil change car was fine and I just recently changed the oil 3 weeks ago and car has been sitting for 2 weeks so the oil thats in it right now only has like a week of usage

.aNiMaL

i am having the same problem. it is such a small slight rattle. right at the end of the rev

asma123

iTrader: (2)

I was doing some research I know about the famous rattle lots of people get when their engine is stressed roughly 2k rpm perhaps it's the same thing thats making the sound?
From what I hear it could be either the heat shield or the precats more than likely the precats.

Gizm0

iTrader: (1)

If you ever find out where the noise is coming from, please let me know, bc I have the exact same noise on my max

Gizm0

iTrader: (1)

One detail, on my car, it only does that sound when the engine is warmed up. If it is cold, no noise for some reason...

Gizm0

iTrader: (1)

Well, I finally decided to get under the car while my friend was reving it up, and it's definately coming from inside the rear pre-cat. Nissan quoted me $785 just for parts...

I can get one on eBay for just over $200. Anyone has experience with ebay precat for their max?

Gizm0

iTrader: (1)

Since the inside of my precat is all blown up, I figured it probably partially threw all kind of **** up the third catalytic converter located downstream of the Y-pipe and most likely partially clogged it up so I will probably go ahead and replace this one too. Since I'm cheap, I was thinking of pulling it off, and removing the honeycomb thing inside the cat with a hammer and screwdriver, and put it back on the exhaust as is... Is it a good/bad idea?

It will probably throw me some codes but I don't care, but my question is: will it decrease the performance of the car since it will fool the 02 sensors?

Gizm0

iTrader: (1)

Alright, I had the exact same problem with my Max coming from the rear precat. I bought a precat on eBay for about $280 and paid a local exhaust shop $75. 2 hours later, the noise is gone

So now you know what to do!

asma123

iTrader: (2)

thanks. I'll check up on it hopefully my mechanic wont charge me an arm and a leg for the work