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Infiniti Q45 Maintenance and Repair

248 messages,  Last post on Nov 30, 2009 at 8:54 AM

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#224 of 248 JAW Sr by joesr Jan 14, 2009 (9:14 am)
I own a 2002 Q45 and previously owned a 1994 Q45t. Both were/are driven well over 140K by me with no major problems. - the 97-01 models have a 4.1 V8 vice the 4.5 V8 that the earlier and current models have. - I have a couple of friends who own the 1997-2001 models and they are extremely pleased and have experienced no major problems. - I would attempt to get the service records to review. - Obviously the most important service is the oil/filter change intervals.   I would be very surprised if you experience any major issues (especially if you can ascertain that routine maintenance has been performed. Replies to this message: JCL82 (Jan 14, 2009 9:59 am)
#225 of 248 Re: JAW Sr [joesr] by JCL82 Jan 14, 2009 (9:59 am)
Replying to: joesr (Jan 14, 2009 9:14 am) Thank you for your input. Besides that, I called that dealer and he said that there were no service records available. I just got a carfax also, and plan to take it to a mechanic for a once-over. Besides that, any other suggestions. Is 7,950 a fair price? The kbb retail value is about 9k.
#226 of 248 will not start by tinman11 Jan 17, 2009 (7:05 pm)
i have a q45, went out of town and returned. next morning turns over but will not start. any suggestions?
#227 of 248 by knowspinzone Jan 18, 2009 (6:06 pm)
Yea, don't go outta town!   Seriously though, assuming your plugs are OK, I would check the fuel system. Do you hear your fuel pump come on when you turn your key to the ON position?
#228 of 248 Anti-lock and break light on by jettb Feb 02, 2009 (9:35 am)
Hello,   My anti-lock light is on and my break light is on lightly. (dimmed) My anti-lock is not connected, but light is on. Then when I drive it, it sounds like it is reving higher, it does not sound like the normal engine sound.   Also, there is a humming in the back side of passenger, sounds like near the CD player which I think is off. I have not ever used it since I bought it. The other owner said she hit it accidently and it stopped working. I was told it was not my fuel pump. I have had the car for 5 years now and the humming for a few years. Can you help me? Thanks Jettb
#229 of 248 1990 Q-45 by newqowner May 06, 2009 (12:16 pm)
I am new to this vehicle. I needed a car and didn't have a lot of money. I ran great when I purchased it. My experience since getting it home for a few days are as follows: 1. Didn't want to start 2. Smoke from exhaust is thick upon start up and thins out after 5-6 mins. 3. A/C blows HOT air. I'm told all I need to do for that is to get a belt and add freon.   Can anyone help this unattached lady who really needs to make this car work. Can't afford to pay a mechanic. Need help from you experts. thanks.
#230 of 248 1998 Q45 by lasvegasq45 May 11, 2009 (2:24 pm)
Hi,   Great forum. This is really a great site.   I recently bought a 1998 Q45 with 96k miles. Interior and body are in great condition. The drive has very few shakes. However, I recently brought it in for an oil change and brake inspection. One of the issues were a small leak (undetermined yet so they are doing a dye check). Another was that the struts need changing.   My question is, besides these items that could be related to the age of the car, are there other issues that I should be checking for or saving for? I really want this one to last as it still really is an awesome car.   Thanks! Replies to this message: joesr (May 11, 2009 3:37 pm)
#231 of 248 Re: 1998 Q45 [lasvegasq45] by joesr May 11, 2009 (3:37 pm)
Replying to: lasvegasq45 (May 11, 2009 2:24 pm) I believe the maintenance schedule calls for spark plugs to be changed at 100K. - I am on my second Q45 (94 Q45t & 2002 Q45 w/Sport pkge) and changed plugs (platium) on both 100K. - I thought the engine ran more smoothly after the plug change. - Also check your belts and hoses. - I changed them on my 94 the nine year and 110K mark. - Belts showed noticeable wear, but hard to discern if hoses were getting weak. - In a hot climate it is probably smart to change out before a belt breaks or a hose burst and you end up with a hot engine (heat is the demise of an engine), - I was very pleased with my 94 (Son now has it and it has 224K on it) and love my 2002 even more (Navigation, voice recognition, etc.,.). Take care of your 98 and it will take care of you.
#232 of 248 Re: steering problem [jimt4] by q45crazy May 21, 2009 (2:40 pm)
Replying to: jimt4 (Jul 02, 2007 8:45 am) I am having some of the same problems that you did a few years ago: the speedometer failed, the power steering has gone out, and that TRANSMISSION MALFUNCTION indicator comes on for about 20 seconds when I first start the car. A mechanic said I may have a problem with the Instrument cluster. What did your problem turn out to be? How expensive was it to fix? Could I do it myself?
#233 of 248 Re: Do you have a question about Q45s? I can help you! [psi4757] by rposad Jun 02, 2009 (6:59 pm)
Replying to: psi4757 (Mar 02, 2008 6:14 pm) #12 of 13 suspension by rposad Jun 02, 2009 (9:54 am) Save | Reply anybody please!!! i own an 02 q45 that has 61k miles and everything works perfect,but the suspension.it has a very rough ride and it makes no difference whether its on sport mode or auto mode.it makes no difference whatsoever,i could be on the high way or around my neighborhood it has a rough ride and can really feel the road. last week i took it to the dealership and they said that all suspension components are in good shape and they can lift it or lower it with their own computer but my sport-auto button does not work.i dont know if its supposed to be that way,or if i'm supposed to feel the diff between the 2 modes.can anyone please help me?otherwise i'm putting a for sale sign on it. i thought it was going to have a very smooth ride because they brag a lot about having a very smart independent suspension all around.THANKS A BUNCH

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