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Infiniti G37

123 messages,  Last post on Nov 21, 2009 at 8:48 AM

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What is this discussion about? Infiniti G37, Coupe, Sedan

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#78 of 123 Re: All season tires & Ride [jakk100] by ingvar Aug 11, 2008 (11:11 am)
Replying to: jakk100 (Aug 10, 2008 11:10 am) The G37 is engineered to be a sports car not a winter driver. All you need is a good winter tires.
#79 of 123 Valve Train Noise by busman01 Sep 01, 2008 (5:09 am)
I noticed an unusual noise coming from the engine several weeks ago. I took the car to my retailor who researched the problem and found the 3.7 engine has a different technology from other Infiniti engines besides the obvious.   There is variable valve timing for intake and exhaust valves. The exhaust valves are adjusted by an electric motor. The intake valves are adjusted internally from oil pressure.   If you cycle the key(turn it off and restart), the noise goes away for a few seconds. then the engine goes back to its original state and somehow does not transmit the excessive noise.   The fix is something called ESTER oil. It comes as the OEM oil from Japan. This oil accommodates the intake valve lub specs. Internally, no one told Infiniti to use ONLY this oil for oil changes in the 3.7 engine.   I was assured by the territory (factory) rep no harm has been done to my engine, and my retailer has learned something as well. Replies to this message: anh3 (Nov 21, 2008 10:05 pm) busman01 (Nov 22, 2008 4:07 am)
#80 of 123 Rough Cold Idle by jakk100 Sep 03, 2008 (8:20 am)
Does your 2008 G37 idle rough for about the first 30 seconds after it has sat overnight? Mine does, then it settles down. Has done this since the day I picked it up. Replies to this message: busman01 (Sep 04, 2008 3:10 pm) steven48 (Sep 14, 2008 1:34 pm)
#81 of 123 Re: Rough Cold Idle [jakk100] by busman01 Sep 04, 2008 (3:10 pm)
Replying to: jakk100 (Sep 03, 2008 8:20 am) No. The cold idle is fine. A little fast but it does settle down after several minutes on the road. It was suggested cold idle, and other throttle issues would be affected by this ESTER oil issue.
#82 of 123 Re: Rough Cold Idle [jakk100] by steven48 Sep 14, 2008 (1:34 pm)
Replying to: jakk100 (Sep 03, 2008 8:20 am) When you first start the car, it has that heavy rumble. That is normal, my g37s does the same. The car is very cool... I just have to try not to get any tickets. Good luck with your car, you should'nt have any problems. -Steven
#83 of 123 back seat by robger99 Oct 14, 2008 (3:38 pm)
Considering g35 or g37. Like the lines of coupe better. Is the back seat in the coupe ok for kids 9 and 14 or is it too small and claustophobic? Replies to this message: busman01 (Oct 15, 2008 4:14 pm)
#84 of 123 Re: back seat [robger99] by busman01 Oct 15, 2008 (4:14 pm)
Replying to: robger99 (Oct 14, 2008 3:38 pm) The back seat of the coupe is very tight. Our granddaughters (all under 5 yrs) are cramped back there. As your kids will only grow larger, I highly recommend the sedan.   I get one as a loaner during service, and it carries everyone with room to spare.
#85 of 123 Help! wheels/rims and snow tires for G37S by anh3 Nov 17, 2008 (10:27 am)
does anyone have any experience with snow tires on a 2008 G37S ? What is the smallest (diameter) rims/wheels that could fit on that model? Replies to this message: joj2 (Nov 04, 2009 6:01 pm) 604doc (Nov 04, 2009 7:02 pm) srs_49 (Nov 05, 2009 3:43 am) and 1 more...
#86 of 123 Re: Valve Train Noise [busman01] by anh3 Nov 21, 2008 (10:05 pm)
Replying to: busman01 (Sep 01, 2008 5:09 am) I had the same problem at start-up when cold (lower than 50 degrees or so outside temp). The noise is almost like when you have just change the oil in your car, everything drained, and the car is filled with new oil. It had that clicking noise, valve-tap almost. I called the dealer and they also mention an oil change with Ester oil, for free (only the first time I supposed?!). Replies to this message: busman01 (Nov 22, 2008 4:07 am)
#87 of 123 Re: Valve Train Noise [anh3] by busman01 Nov 22, 2008 (4:07 am)
Replying to: anh3 (Nov 21, 2008 10:05 pm) The noise was definately from the valvetrain, and was at random. Ester oil corrected the problem immediately with no further occurance (1500+ miles). Yes, the first Ester oil change was free, but I own the rest of them.

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