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Sedans Infiniti M35/M45 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
The steering problem may be a faulty rack which would be covered under warranty. Your service manager has to see/feel the problem driving the car and sometimes that's the tough part.
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Replying to: southbay1 (Dec 19, 2008 9:14 pm)
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Replying to: ghstudio (Dec 19, 2008 9:35 pm) The M still does not track that well but the roads in my Westchester, NY area are horrible. Otherwise the car is great. My theory is the design of the steering lacks caster in the alignment. It is incurable. More caster would increase the steering's tendency to go straight. Gas mileage is not very good. Killed me last summer. It is a heavy car with 4-wheel drive and the top gearing is low. No 7-speed on the M35X even for 2009. No real cure. Go light on the pedal and easy on the a/c. Keep the air cleaner clean. Sluggish on regular gas use mid grade or premium. My lease is over soon. Thinking of Audi an A4 (a bit small not cheap but wonderful), Caddy CTS 4 wheel drive (beautiful, aggressive prices, no backup camera, great warranty, On Star, but who knows about GM service and quality?) Infiniti G-37 sedan (a bit small and rear seats do not fold down), Good but uglies: Acura TL and Infiniti FX. (don't know if I can look at those for years).
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Replying to: tmartin63 (Dec 20, 2008 5:19 am) 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. |
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Replying to: southbay1 (Dec 22, 2008 3:13 pm)
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Replying to: barryend (Dec 20, 2008 5:46 am) |
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Replying to: barryend (Dec 22, 2008 3:42 pm) 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).
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Replying to: southbay1 (Dec 31, 2008 3:00 pm) 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. |
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Replying to: southbay1 (Dec 31, 2008 3:00 pm) You got the exactly same answer I got. It looks infiniti is trying to avoid this issue. |
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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 |
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