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Infiniti M35/M45 Maintenance and Repair

1169 messages,  Last post on Nov 08, 2009 at 6:21 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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#1007 of 1169
Re: 2006 M35 sport steering issue [tmartin63] by southbay1
Dec 22, 2008 (3:13 pm)
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Replying to: tmartin63 (Dec 20, 2008 5:19 am)

My driving is almost always local and I'm actually driving fairly easy to get the 14 MPG -- driving it hard brings it down closer to 12. Based on consumption history in the computer the best the previous driver did was about 18 mpg (assume that was more highway miles). With gas below $2/gal it's just an annoyance but I'd sure love the additional gear.
 
As for the steering rack - I'll make an appointment with my service rep and hope that they notice the same thing I do (somehow I suspect that Murphy's Law will temporarily disappear...). The car has OEM Bridgestone Potenza RE050As that have a fair amount of mileage left on them and none of the boards have pointed to these tires as a culprit. Will keep you all posted.
#1008 of 1169
Re: 2006 M35 sport steering issue [southbay1] by barryend
Dec 22, 2008 (3:42 pm)
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Replying to: southbay1 (Dec 22, 2008 3:13 pm)

The 4 wheel drive should use more gas than the rear wheel drive. I cannot understand your low mileage. Maybe it is allot of hills and heavy traffic.
#1009 of 1169
Re: [barryend] by tmartin63
Dec 23, 2008 (9:01 pm)
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Replying to: barryend (Dec 20, 2008 5:46 am)

Have a '06 Caddy CTS 3.6 (wife's car). 58k trouble free miles. My '02 Olds Intrigue .. 100k trouble free before I sold it to my neice 3 yrs ago - still driving it. My point is GM builds some very good/reliable/affordable cars. Don't shy away from the '09 CTS. It's prob what I'll buy next yr when the '06 comes off smartbuy.
#1010 of 1169
Re: 2006 M35 sport steering issue [barryend] by southbay1
Dec 31, 2008 (3:00 pm)
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Replying to: barryend (Dec 22, 2008 3:42 pm)

So I went to the dealer this morning (Infiniti of South Bay) and took the technician for a drive. They had never heard of any other M35/45 having the issues I was experiencing which is no surprise - they don't want to admit there is a problem). During the test drive the car tramlined (as expected) but they said that that is normal driving characteristic of the M35.
 
Dutifully, they checked the alignment and found nothing out of the ordinary and said that the grabby/wandering steering is typical of a "sport" model with 19" wheels and low profile tires, particularly on bumpy/uneven road surfaces. Unless Infiniti issues a technical bulletin they are not going to be doing any steering rack work. I also asked the service manager about gas mileage and he said that 14-15 MPG is typical of what they're seeing until the car is sufficiently broken in and after which it should get closer to 18 MPG (apparently 27K miles is not broken in enough).
#1011 of 1169
Re: 2006 M35 sport steering issue [southbay1] by ghstudio
Dec 31, 2008 (3:28 pm)
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Replying to: southbay1 (Dec 31, 2008 3:00 pm)

Your technician may not have heard of it, but your service manager should have been in the car with you. I suggest you drive a 2008 sport to see if it does the same thing. With stock tires and 19" wheels, it is, unfortunately, a common complaint.
 
Ask to meet with the Infiniti service representive the next time he visits the dealer. Tell them that it is a safety concern...your wife drives the car and at times it jerks and is uncontrollable. Make them write that on the service ticket from today's visit...or make them write up a new ticket saying "customer concerned about safety. At times the car is uncontrollable when it catches a tar strip of similar in the road". Make sure that the infiniti rep sees that those words are on file.
 
(note: at some point Infiniti is going to wind up in court on this issue due to an accident. With documentation such as I am suggesting, they will have a great deal of difficulty saying they were unaware of the issue).
 
The tires really are the bulk of the problem and changing them seems to be a significant part of the solution. Not all the cars need a new steering rack, but you want to be on record, just in case you have a problem down the road.....and need an extended warranty repair.
 
As far as gas mileage...your car is broken in. I got 16-17 on my 06 M35 and I only rarely floor it. Most of my driving is in a spralled out city with a fair number of lights. If I were in NY with lights at every corner, I would expect significantly less MPG. I always burn regular fuel. I now get about 19 on my 08 M35 (5000 miles) using regular with no ethanol which is available at a few local stations.
#1012 of 1169
Re: 2006 M35 sport steering issue [southbay1] by jian2003
Jan 01, 2009 (6:17 pm)
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Replying to: southbay1 (Dec 31, 2008 3:00 pm)

hi, barryend,
 
You got the exactly same answer I got. It looks infiniti is trying to avoid this issue.
#1013 of 1169
M45 Transmission or driveline whine by BMW540
Jan 04, 2009 (1:53 pm)
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I have a 06 M45 sport that has noticeable driveline whine at 40mph and 80 mph. The dealer states that this is a normal characteristic of the car. Anybody else notice this in their car?
Bmw
#1014 of 1169
by ghstudio
Jan 04, 2009 (2:21 pm)
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As always, when the service manager says "they all do that" or "that's normal", you say ok...let's find one in your used car lot and drive it just to verify that "they all do it" ....make him come with you. If he refuses, then ask to see the infiniti regional rep on his next pass thru the dealership and then take the infiniti service rep out driving with you.
#1015 of 1169
Steering wheel adjustment noise by shmang
Jan 05, 2009 (1:03 pm)
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I have a 06 M45 and when ever I adjust the steering wheel (up, down or telescope), it makes squeaking noises. Has anyone had this kind of issue? If anyone does, what is the fix?
 
TIA
#1016 of 1169
Re: "They all do that" [ghstudio] by southbay1
Jan 05, 2009 (1:20 pm)
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Replying to: ghstudio (Jan 04, 2009 2:21 pm)

I forgot to add that when I saw the service manager last week they took me out in another '06 M35 Sport that was in for service (for some other issue I was told). It too showed the same grabby/wandering steering but all that really tells me is that the problem is pervasive to the '06s. Is anyone driving '07-'09s experiencing the same steering problem/defect or has Infiniti quietly fixed the issue in the newer models?

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