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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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What is this discussion about? Infiniti Q45, Sedan

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#214 of 248 Re: 91 Q45 Electrical Issue [q45az] by rearwheeldrive Oct 24, 2008 (9:44 am)
Replying to: q45az (Oct 14, 2008 1:53 pm) Sorry for no response I didnt get an email that usually notifies me of a new message. Sounds like the battery is dead. What is the voltage?. If you dont have a meter Radio Shack sells one for $4.00 dollars.   I think your car has something draining it. To immediately fix this, disconnect the ground cable at the battery every time you park the car. Mine is 13mm size nut on the negative (ground) side of the battery.. Its the correct cable to disconnect when you want to take electric battery power off the whole car, not the positive or red cable, its the hot one Since the NEG. cable is wired to the car body at the other end of the cable, the battery won't short out or spark if your wrench accidentally touches the car metal too when loosening it.   Its the positive cable that goes to all the switches and fuses that is hot, and is never touching the car body. If you accidentally touch the wrench to the car body when your removing it first instead, you would cause a direct short in the electric system bypassing all the switches and fuses and electric parts, and cause sparks too.
#215 of 248 Re: '96 Q45 valve cover gasket replacement [rearwheeldrive] by rearwheeldrive Oct 25, 2008 (5:24 pm)
Replying to: rearwheeldrive (Oct 24, 2008 9:18 am) I finished the Q-45 intake removal on my blog. Check it out before you start yours.
#216 of 248 My FX was Stolen from Frontier Infiniti lot (San Jose, CA) by frontierinfini Oct 28, 2008 (2:16 pm)
I just wanted to warn everyone that is in the San Jose, CA area never to take their Infiniti for service at Frontier Infiniti on Stevens Creek. I brought my FX in for it's 30K maintenance. They told me it was done so I picked it up after work. I paid for the service and they said wait a couple minutes while they bring the car out to the front. However, they can't find my keys. They said this apparently happens often and they might have just left the keys in another car. They "tried" to look for the keys for about 20 or so minutes and said it might turn up tomorrow. They made it a big deal that they provided me a loaner car.   The dealership said they were going to give me a call the next day. I get a call 11:30AM the next day informing me that my car was no longer in the lot. I was even asked if I had come back to the dealership that same night to pick up my car with my spare (So I'm the victim here and I get accused of taking my car). They "discovered" the car missing AM and it took them 4 hours to contact me. I immediately head over to the dealership to file a police report. They have no clue as to what happened. No internal investigation was done. No camera footage was available. Basically considered the whole matter as between me and my insurance. They were very passive and had poor customer service. I love Infiniti and if you car about your's, I highly suggest don't bring it in to Frontier Infiniti on Stevens Creek (San Jose, CA).
#217 of 248 Re: 02 Q45 Headlamp Ballast Replacement [tkarl2002] by dyess5 Nov 16, 2008 (5:42 pm)
Replying to: tkarl2002 (Oct 11, 2008 3:28 pm) The ballast replacement is not a major deal but it will take some time. I had to replace my headlight after a pole met up with it. It took about 3 hours. The ballast is mounted under the headlight. The ballast will come out with a little help, you will understand when you get to it. I downloaded a tech manual from q45.org, but it seems it is no longer there. I do remember that I had to remove the inner fender well and a few bolts were hidden. I will try post the manual tonight on www.makeahybrid.com/q45 , it is the manual for the 2002+ cars.
#218 of 248 Q45 warning light(s) by sidwell Dec 12, 2008 (9:20 am)
When I accelerate or step on it to pass, my 'Brake' and sometimes 'Airbag' light(s) come on. They go off whenm I let off the throttle. Can anyone help? Thank you kindly, James S.
#220 of 248 Q45 by sidwell Dec 13, 2008 (4:28 pm)
I wrote the msg about the Q45 whose 'Brake" light would come on upon acceleration (and sometimes the 'Airbag' light, too). Last night coming down I-75 home, the Brake, Battery lights came on steady, and the Airbag light blinked on and off regularly. I have some familiarity with Japanese cars and this said "Alternator" to me. I hadn't thought of that, as the alternator in the car is NAPA's liftetime guaranteed model, three months old. But that's what it is, the alternator. Gotta swap it out again. Thanks for the help! James
#221 of 248 Re: my '92 Q misfires occasionally on take off [walis] by sidwell Dec 13, 2008 (4:33 pm)
Replying to: walis (Dec 19, 2006 3:21 pm) I had the same problem recently on my 2000 Q45. It was one of the coils, if you have a coil-per-plug. Examine the wire(s) closely on each coil-to-plug wire. You might find some very small holes where the spark is shorting out on the metal tube it fits down in. Causes it to miss, eventually completely killed one cylinder, until it was replaced. On mine the dealer had the cheapest part, as you have to buy coil and wire together. Hope this makes sense. Good luck, Bil
#222 of 248 infititi 1990 air condition problems by suburban100 Dec 18, 2008 (5:48 pm)
I think I have a good one for you. I have a 1990 q45. the air condition has been ginving problem. I have had it charged but for some reason the air blows out hot when I am driving but when I am sitting in one spot the air is so cold it runs you outta of there. what can cause that
#223 of 248 2001 Q45 base by JCL82 Jan 14, 2009 (8:21 am)
Hello everyone. This is my first time posting a message, but I'm desperate for some good feedback. I recently came across a 2001 Q45 with 80.5k for around 8,000. I really don't know much about these cars but my previous car was a Lexus LS430. Supposedly, they are in the same class. That car was awesome, but I need to know if it's a good deal. It's not quite immaculate because it has a few paint dings, but I'm not a expert mechanic. If purchased what kinds of problems should I expect?

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