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Infiniti Q45 Maintenance and Repair

246 messages,  Last post on Nov 24, 2009 at 11:15 AM

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#194 of 246 by rearwheeldrive Aug 07, 2008 (9:38 am)
So does mine .   Im going to replace the speakers someday. Mine will go away if I shut off the powwer and turn it back on.
#195 of 246 Re: BOSE Buzz [92qpilot] by walis Aug 07, 2008 (12:21 pm)
Replying to: 92qpilot (Aug 07, 2008 8:52 am) if you're still using the factory speakers, this is what happens when the amps go bad. It's likely the amps. If you look at the rear speakers, you'd see a black plastic housing. Inside this housing are the amps for each speaker. You'd need to replace the amps. You can change the speakers to aftermarket, but be prepared not to get the same sound quality/clarity unless you're willing to change the head unit to an aftermarket as well. All four speakers have individual amp built in. They go bad after time. Good luck! Replies to this message: rearwheeldrive (Aug 07, 2008 5:02 pm) 92qpilot (Aug 16, 2008 9:50 am)
#196 of 246 Re: BOSE Buzz [walis] by rearwheeldrive Aug 07, 2008 (5:02 pm)
Replying to: walis (Aug 07, 2008 12:21 pm) Thanks. 'llI look at it when I get in their next time.
#197 of 246 Re: BOSE Buzz [walis] by 92qpilot Aug 16, 2008 (9:50 am)
Replying to: walis (Aug 07, 2008 12:21 pm) Thanks for the advice. I don't want to go aftermarket, so the amps will be replaced and we'll see what happens. I appreciate the responses.
#198 of 246 2005 Q45 30,000 MILE MAINTENANCE by njoyn1 Aug 27, 2008 (11:22 pm)
I PURCHASED MY Q45 IN 2005 AND NOW HAVE A LITTLE MORE THAN 33,000 MILES. TODAY I NOTICED THAT I HAVE GONE 3,000 MILES PAST THE SCHEDULED MAINTENACE THAT WAS DUE AT 30,000. THE MAINT MANAGER INFORMED ME THAT THIS NEXT VISIT WILL COST FROM $900 TO $1,000. MY Q IS GARAGED MOST OF THE TIME BECAUSE I DRIVE MY 2nd AUTO. I TRY TO AVOID ANY UNNECESSARY COST, SO I HAVE TIRES ROTATED & BALANCED AND OIL/FILTER CHANGES AT A LOCAL FACILITY. I WOULD LIKE TO KNOW IF IT IS NECESSARY TO REMOVE AND REPLACE ALL OF THE PARTS (WIPER BLADES, BELTS AND ETC.) THAT THE DEALER RECOMMENDS Replies to this message: joesr (Aug 28, 2008 6:03 am) rearwheeldrive (Aug 28, 2008 12:48 pm)
#199 of 246 by njoyn1 Aug 27, 2008 (11:30 pm)
#200 of 246 Re: 2005 Q45 30,000 MILE MAINTENANCE [njoyn1] by joesr Aug 28, 2008 (6:03 am)
Replying to: njoyn1 (Aug 27, 2008 11:22 pm) I would review the recommended maintenance items before I let the dealer perform the items. - I have a 2002 Q45 and do virtually all the routine maintenance. - I follow the recommended intervals for the fluids/filters, tire rotation, etc.,.and make judgement calls on items such as the serpentine belts (I believe there are three) hoses, wiper blades, etc.,.-   My first Q45 (94 Q45t) is still in the family and has 213,000 miles. - I changed the serpentine belts and radiator hoses 100K and 200K, but inspected both along the way. - My 2002 Q has 136,000 and I have followed the same approach.   It is my observation that the dealer follows the "one size fits all" approach and if replaces items that don't necessarily need replacing. - I also notice that many of the items are "check" vice actual maintenace/replacement.   The only items I had performed at the dealer was the 100k platinum spark pluy replacement. Replies to this message: rearwheeldrive (Aug 28, 2008 12:48 pm)
#201 of 246 Re: 2005 Q45 30,000 MILE MAINTENANCE [joesr] by rearwheeldrive Aug 28, 2008 (12:48 pm)
Replying to: joesr (Aug 28, 2008 6:03 am) Sounds like you got a good maintenance record. My Q-45 is a 1990. Its similar to the 1994 then the rear wheel drive was dropped.   Like the last post I regularly change the oil and oil filter every other change according to the Q-45 service manual. 30K maintenance consist of one extra item the coolant, then every two years or 30K. Also change the air filter at 30K.     I want to get under mine and change the rear differential fluid transmission fluid this year it has 125K on it.The platinum plugs should be changed at 60Kin my manual.   My 1990 is on a blog at my Carspace.com/rearwheeldrive
#202 of 246 Re: I love my infiniti.....but [caligirl3] by mr_oohwee Sep 18, 2008 (4:57 pm)
Replying to: caligirl3 (Aug 02, 2007 3:27 pm) SAME THING HAPPENED TO ME... I NEEDED SPARK PLUGS AND TWO EXHAUST PIPES. IM CRUISING NOW!
#203 of 246 Re: I love my infiniti.....but [elwesso] by rearwheeldrive Sep 18, 2008 (8:49 pm)
Replying to: elwesso (Aug 02, 2007 4:08 pm) I dont get forum notices when someone ask a question.I I thought I did, and missed a months or so worth of old Q-45 questions.   Your problem sounds like air induction. The engine is revving could be a leak somewhere in the vacuum lines . One thing I noticed when I tear mine down is all the ventilation hoses and clamps. the design is not like a traditional PCV system. The PCV is on the left rocker at the back and maybe one on the right too.   Another area to check is the two hoses going into the duct that's going from the air filter to the Intake manifold. Squeeze this duct too to see if engine starts to run wild. It could be old and have a crack or leak This is critical to the MAF like in the last post If the MAF is bad it will run in default mode. You can disconnect the electrical connector to this part, it is right at the air filter where the part of the duct is square, as it leaves the air filter.   I know its late but I hope you got the problem fixed if not I hope this helps.

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