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Infiniti M35/M45 Maintenance and Repair

1177 messages,  Last post on Nov 25, 2009 at 4:51 PM

You are in the Infiniti M35/M45 Forum. Your Hosts are pat & karens

What is this discussion about? Infiniti M35, Infiniti M45, Sedan


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#6 of 1177
Re: My two sound problems - #2 [drtravel] by alexr9
Jun 14, 2005 (8:19 am)
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Replying to: drtravel (Jun 08, 2005 10:58 am)

I'm having the same problem with my car. Yesterday I took my M35 to the Infiniti in Valencia and they gave me the same song and dance that the noise is "Normal". The dealer said that they are going to order a new exhaust and hopefully this will fix the noise.
 
I agree that the noise is very annoying and extremely loud. I'm hoping that by replacing the exhaust the noise will be fixed.
#7 of 1177
Re: My two sound problems - #1 [drtravel] by prophet
Jun 14, 2005 (12:51 pm)
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Replying to: drtravel (Jun 08, 2005 10:41 am)

I have an (infrequent) overhead clicking sound which was traced to the moonroof rails by two tech's from the dealership. They are on order for replacement. With 4,600 miles on my M35, its a much better vehicle than my BMW 5 series was & the electronics are first class.
#8 of 1177
Sound Problem by tom43
Jun 15, 2005 (9:45 am)
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I have owned my M35 for 4 weeks now, with 1400 miles on it. I have a very annoying rattle noise coming from the rear passenger side (I can't seem to isolate the exact location). Is anyone else hearing that noise? Other than that by far the greatest car I have ever had and driven. Look forward to any feedback.
#9 of 1177
Re: Sound Problem [tom43] by prophet
Jun 15, 2005 (10:35 am)
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Replying to: tom43 (Jun 15, 2005 9:45 am)

Have them check the moonroof assy. (it was hard to pin down but that's where mine was).
However, it sure beats my previous 2003 BMW which had a drivers door/window creak which wasn't fixed until the month before I traded it in for my M.
#10 of 1177
Only problem by m45sportowner
Jun 16, 2005 (9:00 am)
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The only problem I've had, and it's more of an annoyance/poor design than a real problem, is that the car doesn't clear a standard concrete parking block. Any stall I pull into I have to be careful because the front undercarriage scrapes against any concrete parking block.
 
Otherwise the car has been an absolute joy.
#11 of 1177
Resolution of my two sound problems by drtravel
Jun 17, 2005 (6:30 am)
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Spoke with the owner and service manager - both of whom said my noise was definitely not normal. The called the Infiniti engineer from Japan who brought along a few other factory engineers with him who did all the repair work.
 
They replaced the entire sunroof assembly which took care of that problem.
 
They also replaced the Y-Pipe for the exhaust system - this might have been a newly updated design but am not sure. They all seemed very interested in this problem. Anyhow the noise is no longer present.
 
Dropped the car off Monday AM - it was ready Tuesday PM. Suprisingly quick considering they had to remove and replace the headliner plus get the parts. I'm guessing that the factory engineers had some pull.
 
So now I give Infiniti two thumbs up!!
 
PS. As far as the engineers knew I was the only owner who had these two problems, which makes the new M a very reliable car.
#12 of 1177
Re: My two sound problems - #1 [drtravel] by infinity2
Jun 20, 2005 (12:34 am)
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Replying to: drtravel (Jun 08, 2005 10:41 am)

I have the same problem. The rattle in the moonroof drives me crazy. I went to the dealer and he said I was the first person to complai about it. They tried using some insulation tape but it did not work. I am not sure I want them to ttake the roof assembly apart and repalce the sun roof. I will play it by ear and see if the rattle continues to annoy me.
#13 of 1177
Re: My two sound problems - #2 [drtravel] by infinity2
Jun 20, 2005 (12:36 am)
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Replying to: drtravel (Jun 08, 2005 10:58 am)

I get the same loud bang about 5 minutes after I turn off the engine. Happens about 50% of the time. I hae not spoke to the dealer about it yet. I will watch and see if it gets worse
#14 of 1177
Loud engine noise by infinity2
Jun 20, 2005 (12:39 am)
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I have an m35 and really like the car. However, the engine seems really loud at times and I am wondering if it is normal. Anyone else have that problem?
 
Also, A moon roof rattle and loud banging noise coming from under the car after the engine is off for about 5 minutes are problems as well.
 
Anyone else have suggestions of the same problems?
#15 of 1177
Re: Loud engine noise [infinity2] by prophet
Jun 20, 2005 (9:34 am)
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Replying to: infinity2 (Jun 20, 2005 12:39 am)

Engine sound under acceleration is normal given the gearing on the M35. Its higher pitched than my BMW 530i was but otherwise the same. The Moonroof clicking I had went away by itself. Ironically, the exhaust system heat expansion/cooling noise on shutdown is still there although not as loud. If it continues I'll have the dealer look at it during my next oil change.
 
With more than 5,000 miles behind me the car runs great. The electronics are first class and beat anything I've ever owned.

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