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Old 09-28-2009, 04:48 AM   #1
C-grunt
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Member#: 152713
Join Date: Jun 2007
Chapter/Region: SWIC
Location: North Peoria
Vehicle:
2013 Tundra 4x4 TRD
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Default Help diagnosing sound from Altima 3.5 engine

Hey guys, my partners engine is making some weird sounds. Any time she has a cold engine it makes a rattle sound when she takes off. It sounds almost like ball bearings in a can and can be easily heard from the outside of the car. It only happens though before the engine is warmed up and under a decent amount of throttle. It wont do it puttin around the parkinglot at work but when she gets onto the road it makes the sound.

Thanks.

Oh and the car is an 07 with about 40k miles.
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Old 09-28-2009, 10:24 AM   #2
SpankySuby
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Member#: 122305
Join Date: Aug 2006
Chapter/Region: SWIC
Location: Gilbert, Az
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2002 wrx half breed
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I would think possible rod knock why not take it in thats a perty new car...warranty...
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Old 09-28-2009, 01:43 PM   #3
brocksdad
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Heat shield?
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Old 09-28-2009, 01:58 PM   #4
KP
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Quote:
Originally Posted by brocksdad View Post
Heat shield?
My car does that, and honestly it goes away when it heats up lol. But it sounds nothing like det. and it's random when it happens.
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Old 09-28-2009, 03:17 PM   #5
bobturismo
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Location: cruizin' down the street in my
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es and slappin the hoes.

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exhaust

see dealer

http://www.mylifedump.com/2008/01/16...007-08-models/

Quote:
I recently bought a brand new Nissan Altima 2007 2.5S. Soon after I bought it, I started to hear engine rattle at low speeds and during startup. I took the car in and I was told by the Nissan service department that it is a very common issue with Altima ‘07 and ‘08. They told me that they would fix it and allegedly did fix it but did they really???

Few days back, I started hearing the rattle again, the engine was too loud in the mornings during startup and I don’t think this is normal for a brand new car. I was thinking about taking the car back to the dealership but then thought I would wait until the oil change is due. But this morning, things changed, I received a mail from Nissan.

It talked about the same exact issue that I am having with my car. The stupid thing was, it said that we already did inform you about this before. No Sir! I was never informed, your service specialist said it was fixed the first time I took my car in and it wasn’t really fixed.

If you have a Nissan Altmia 2007-08 2.5SL, contact your dealer and find out when you can go to get the noise fixed. They obviously mention in the mail that only some drivers experienced it, yeah right. There won’t be this kind of an effort if only handful experienced this problem.

Nissan will install an exhaust stay bracket in your vehicle free of charge which would fix the rattle noise around the exhaust manifold heat shield. This noise supposedly doesn’t affect the engine….


PS, is partner hot and or single?

Last edited by bobturismo; 09-28-2009 at 03:22 PM.
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Old 09-28-2009, 08:23 PM   #6
racingfish
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she haas a liquor license 1st of all.... lol

and i agree... Take it to the dealership. I use to love when people would want me to diag their car over the phone... But diag over the internetz is FTW!!!
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Old 09-28-2009, 10:17 PM   #7
ArronStump
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Chapter/Region: SWIC
Location: Flagstaff az
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07 sti
DGM

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i worked on one of these the other day. its the gear that works the active valve system. it comes loose in the timing assembly. check for oil leaks first cause its activated by pressure. then take it to a shop and have it fixed. i think it calls for like 7 hours.
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Old 09-29-2009, 07:14 AM   #8
WRXtra
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Quote:
Originally Posted by KP View Post
My DAD'S car does that, and honestly it goes away when it heats up lol. But it sounds nothing like det. and it's random when it happens.

Fixed
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Old 09-29-2009, 03:09 PM   #9
sje323
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I was honestly gonna do that when i first saw him post that but I didn't want to drive the thread OT
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Old 09-29-2009, 03:13 PM   #10
KP
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You guys and your shenanagins are getting ollllllllllllddddddddddddddd
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Old 09-29-2009, 05:34 PM   #11
5.0Ranger
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maybee a bad cat. it would be rare being so new but it can happen. somtimes the "brick" in the cat brakes loose and rattles around. it the car down on power when fully warmed up?
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