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Infiniti M35/M45 Maintenance and Repair

1169 messages,  Last post on Nov 08, 2009 at 6:21 PM

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

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#1037 of 1169 Re: Infiniti M35 Floor mats [fiddler2500] by osbornkg Mar 19, 2009 (10:58 am)
Replying to: fiddler2500 (Mar 19, 2009 10:34 am) Check-out: http://www.infiniti-parts.com/catalog.php?id=228&model=mcar&cat=interior&name=Ca- rpeted%20Floormats%20(M35/45)   $99.00 OEM front and rear w/ colors + shipping Replies to this message: fiddler2500 (Mar 19, 2009 4:51 pm)
#1038 of 1169 2003 M45 Service Engine Light by hilley Mar 19, 2009 (10:59 am)
When my M45 reached about 60,000 miles the service engine light appeared. There is nothing wrong with the engine and I get about 20 MPG in mostly city driving. Is this simply a way to get you into the dealer? How can this light be turned off? How much danger is there with the original timing belt at 60,000 miles? Replies to this message: james27 (Mar 19, 2009 2:13 pm) shmang (Mar 20, 2009 7:31 am)
#1039 of 1169 Re: 2003 M45 Service Engine Light [hilley] by james27 Mar 19, 2009 (2:13 pm)
Replying to: hilley (Mar 19, 2009 10:59 am) In most places you can't get a passing state safety inspection with an engine error code. If, in fact, it is for the timing belt, while it could last a long time, you could be on borrowed time depending on how many miles are actually on the car and the use pattern. I'm pretty sure that the Infiniti engines are what are referred to as interference engines...this means that if a valve stopped as a result of a broken belt, it could interfere, or hit the piston. This can pretty much destroy an engine - breaking pistons, throwing bits out the side of the block, etc.. Is it worth the risk? No warranty, extended or factory will cover damages caused if this happens if you've exceeded the miles on the belt. When they fail, they fail catastrophically....working fine one second, in piece(s) the next with you stranded. Replies to this message: shmang (Mar 20, 2009 7:31 am)
#1040 of 1169 Re: Infiniti M35 Floor mats [osbornkg] by fiddler2500 Mar 19, 2009 (4:51 pm)
Replying to: osbornkg (Mar 19, 2009 10:58 am) Thanks. I will check it out.
#1041 of 1169 Re: 2003 M45 Service Engine Light [james27] by shmang Mar 20, 2009 (7:31 am)
Replying to: james27 (Mar 19, 2009 2:13 pm) I believe all the V8 engine in M45 use timing chain and do not need to be replaced periodically. Maybe you are talking about the V6, which I am not sure if it uses timing belt.   For the check engine light, it most probably is a failed sensor related to emission - either the O2 sensor or the MAP sensor. It will not affect how the car drives, but will definitely fail you on inspection. Also, if your gas cap is loose (not closed tight enough or the cap itself is failing), it can also turn on the CEL.
#1042 of 1169 by ghstudio Mar 20, 2009 (5:43 pm)
There are many reasons the Check Engine Light comes on....and your dealer can find the reason very quickly by reading the error codes. It's wise to get this checked and it may be something that's not all that expensive. It may be as simple as a hose pulled off it's fitting or a bad gas cap gasket. If it's the o2 sensor, then you want to change it anyway because it effects your performance and fuel economy.   I don't believe the Check Engine Light has anything to do with the Timing Chain .....that chain is either working or broken...no light to warn you of imminent disaster. You DO want to change the timing change when it's scheduled, even though it's expensive. The replacement chain is far less costly than the replacement engine.
#1043 of 1169 Engine oil loss by BMW540 Mar 29, 2009 (6:57 am)
Once in a while when I start my M45 it will blow out blue smoke and possibly run rough like it has a stuck lifter. The roughness doesn't happen very often, and it probably only blows smoke once every month or two. However, the car does seem to be using a lot of oil. Yesterday when I checked it before going on a 300 mile trip I was shocked to see it down approx. 3 quarts! It is time to change the oil, but where is all the oil going in a car that has only 40,000 miles on it? Bmw Replies to this message: Mr_Shiftright (Mar 29, 2009 7:19 am)
#1044 of 1169 Re: Engine oil loss [BMW540] by Mr_Shiftright HOST Mar 29, 2009 (7:19 am)
Replying to: BMW540 (Mar 29, 2009 6:57 am) It sounds like a rather textbook case of bad valve stem seals or valve guides, but the miles seem too low for that, so I'm going to first suggest that the PCV system be checked for malfunction (positive crankcase ventilation) and also that the vehicle be carefully inspected for engine sludge.
#1045 of 1169 Re: "They all do that" [southbay1] by hsmolin Mar 29, 2009 (5:15 pm)
Replying to: southbay1 (Jan 05, 2009 1:20 pm) I came to this forum to search out the steering problem that I was experiencing on my 2008 M35x. Took it to the dealer a couple months ago for the 3000 mile service and dealer said they drove it and found nothing wrong. I thought I was nuts until someone else drove my car and mentioned that the car was very difficult to control on the highway. The problem still exists and is very dangerous. Can't take your eye off the road for a second for fear that your car will be in a different lane. Replies to this message: art234 (Mar 30, 2009 8:37 am) barryend (Mar 30, 2009 9:06 am) ghstudio (Mar 30, 2009 10:11 am) and 4 more... barryend (Mar 30, 2009 9:04 am)
#1046 of 1169 Re: "They all do that" [hsmolin] by art234 Mar 30, 2009 (8:37 am)
Replying to: hsmolin (Mar 29, 2009 5:15 pm) You might be referring to tramlining, where the car wants to go in its own direction. I would ask to have the tires replaced with non Goodyear tires...in fact it's a known issue and I would insist on tire change.   My saga continues--in dealing with an interior rattle the dealer heard, his response was "play the radio".......never another Infiniti for me. Replies to this message: barryend (Mar 30, 2009 9:06 am) ghstudio (Mar 30, 2009 10:11 am) barryend (Mar 30, 2009 1:23 pm) and 2 more... barryend (Mar 30, 2009 1:59 pm)

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