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Lexus GX 470 Maintenance and Repair

118 messages,  Last post on Aug 05, 2009 at 6:54 AM

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What is this discussion about? Lexus GX 470


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#25 of 118
GX470 Gas Mileage? by mnshea
Mar 18, 2006 (7:38 am)
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I would appreciate any comments on what kind of gas mileage you are getting in the GX with premium or regular gas. The salesman told me you can use regular instead of premium gas but the mileage would not be as good. He claims the 15 mpg city driving on the sticker is very realistic using premium. What's happening in the real world?
#26 of 118
Re: GX470 Gas Mileage? [mnshea] by lopz
Mar 18, 2006 (12:44 pm)
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Replying to: mnshea (Mar 18, 2006 7:38 am)

After 52,000 miles, ave. with LOTS of highway 16.4mpg. City 14.0mpg, highway 18.5mpg. Also for those with vibration problems like me (it was VERY bad and nothing would fix it)), I just had new balancing done with a new more advanced machine where they balance wheels at different speeds while the wheels remain on the car (Ihad it done at Lexus of Kendall, Miami). Even though I still have the dunlops on (I hear Michelins better), the vibration is almost (not quite) gone, to a point that it is not a real problem anymore.
Does anyone know if telescoping steering wheel can be made to come out further--I cannot seem to find a comfortable driving position otherwise and I drive 40,000 miles a year. Thanks for any useful info on this one way or another.
#27 of 118
mpg by cdfwife
Mar 19, 2006 (8:46 pm)
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After 1200 miles, I am at a steady average of 15.9. I always use regular gas, as I did with my MDX. Call me a sceptic, but I would really doubt if using premium gas increased mileage. (Performance, yes, mileage-no.) I would say that my travels are split evenly between highway and city. I drive 42 miles round trip each day. Hoping for better mileage but not holding my breath. Has anyone else been able to increase mileage with premium gas?
#28 of 118
GX cruise control by shepali
May 09, 2006 (6:19 pm)
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Does anyone have issues with the cruise control on a 2006 GX470 gear hunting at highway speeds? It consistently downshift and then upshifts at just the slightest uphill incline - much more pronounced than any other vehicle I've driven. Its definitely something I can live with - but wondered if there was some adjustment that could be done?
 
The one thing I've found that does help is to drive in 4th vs. overdrive - but that dropped the average MPG by more than 2 miles...which isn't really worth it to me.
 
I'm thinking its because the engine is more sensitive/responsive than other SUVs, and so it is actually a positive benefit in disguise. But just curious if anyone else experiences this and if there is any other option to minimize it...
#29 of 118
Re: Lexus GX 470 Problems & Solutions [roni] by shepali
May 09, 2006 (6:22 pm)
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Replying to: roni (Jan 20, 2006 2:13 pm)

Regarding the garage door opener...if you have a 'rolling code' garage door, there is a sequence you have to go through to 'teach' the car. I don't have my manual in front of me...but if I recall, you have to prep the car to receive the codes (i think that is holding down the button you want to program until it blinks fast), then go to your garage door opener assembly hanging from the ceiling and press the button, then go back to the car and press the button in the car you want to program. You may have to do this twice...but it should work. I do refer you to the manual to be sure I described it right though..
#30 of 118
What's the best gas to use. by mybenz
May 10, 2006 (11:33 am)
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I have an 04' GX470 and used reg. gas for the 1st 10K miles. Then I changed over to 93 octane. I really don't notice too much difference in gas mileage but feel the car rides smoother and responds better with the higher octane. However, with the price of gas being so high I wonder if I went back to reg. gas would I harm the engine. Does any one have any suggestions?
#31 of 118
Re: GX cruise control [shepali] by stocktrader
May 11, 2006 (9:15 pm)
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Replying to: shepali (May 09, 2006 6:19 pm)

I have a 2005 GX and have the same experience when setting cruise. It is bothersome when it downshifts so abruptly on a slight incline; but I have not asked the service guys about it yet.
#32 of 118
vibration by jimbo28
May 23, 2006 (3:03 pm)
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Anyone experience this one? My break pedal vibrates when depressed. The vibration lasts for a second or two and can happen when I am slowing down or have been sitting at a traffic signal for awhile. It just suddenly vibrates, enough for me and other drivers of the car to notice. It is very noticeable. Lexus claimed they could not duplicate the problem. I also experience the "clunk" when stopped at a light or stop sign. I have horror stories with this problem in my previous vehicle, the LX470.
#33 of 118
Re: vibration [jimbo28] by nedzel
May 24, 2006 (5:58 am)
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Replying to: jimbo28 (May 23, 2006 3:03 pm)

The vibration is normal. You'll find in on the GX470 and its stablemate, the Toyota 4Runner. The accumulator pump turns on every few times that you press the brake pedal.
 
As for the clunk, it's probably the slip yokes that need greasing. It's no surprise that you experienced on the LX470 -- the drivetrain and suspension of the LX and GX are very, very similar.
#34 of 118
Re: GX cruise control [shepali] by ironman87
May 30, 2006 (7:19 pm)
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Replying to: shepali (May 09, 2006 6:19 pm)

My wife has a 06 GX470.I only drive it once a month own the way to the beach.The first 75 miles of the 180 mile trip is rolling interstate.The cruise drives me crazy because as you stated,only a slight incline causes the car to lurch into passing gear as if it must keep me dead on the 75mph mark I usually select.I have found that shifting from drive to 4th just before the beginning of a hill makes for a smoother transition.
 I am always playing with the gear lever anyway to help decelerate when braking I guess because one of our cars is a 6 speed manual.
 Let me know if you find out that this shifting behavior is not normal.Thanks.

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