Lexus GX 2004-09 :: 2005 GX470 - AC Hot Air / Antifreeze All Over Engine


Jul 1, 2015

I have a 2005 GX 470, I noticed a sound, like that of a belt being loose, the sound came from the front of the truck. A few minutes later the AC stopped cooling, it was blowing really hot air and then the temperature of the engine went really high. I stopped on the side of the road, when we opened the hood, the belt was not broken but there was antifreeze everywhere.

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Lexus GX 2004-09 :: 2005 GX470 - Surge In Engine As Transmission Engages

I just purchased a used a Lexus GX470. The transmission seems to do something fairly consistently that seemed unusual to us, but we are new to this car so I'm not sure if it is normal, abnormal, or a sign of something big to come.

When starting from a complete stop, upon removing your foot from the brake, there is a noticeable mini-surge in the engine as the transmission engages, and the sensation seems to repeat when the transmission is disengaging as you brake to stop.

Does this sound normal? From searching on google, I have read that there are issues with "hard shifting" but this does not seem to happen with shifting...just when the transmission engages or disengages, and it isn't a big 'bump' as much as a mini-surge. I have also read where it could be related to something electrical such as the air conditioner.

The car is under warranty, but the service department notes no error codes when they scanned the engine.

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Lexus GX 2004-09 :: 2005 GX470 Suspension - No Compressor Activity

I have a 05 gx470 and I was having trouble with the rear staying bottomed out and not pumping up. I replaced both ride height sensors. Nothing changed until about 1 hour of driving the compressor kicked on. it road better but still bottomed out some. So I raised the sensors about 5mm. it road great for about 10 miles then went back to riding on the axles. No compressor activity. Also when the compressor is not engaging the push buttons do nothing with changing the dash from H-N-L no matter when you push it. If you hear the compressor running all the buttons will work just fine. I have a useless car because it is not safe to drive when its riding on the axle bump stops.

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Lexus GX 2004-09 :: 2005 GX470 - Nozzle Cuts Off When Pumping Gas

2005 GX470 ... My Issue is that when I pump Gas ONLY in Calif it keeps stopping. I have tried all angles of the pump. I have tried holding back rubber on pump, but that will not work. This is something else. I have been to other states such as TX AZ NM & NV and this problem does not exist.

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Lexus GX 2004-09 :: 2005 GX470 Shaking While Driving When Accelerating Above 20 - 25 MPH

I have a 2005 GX470 with about 50K miles. Over the last few weeks it started exhibiting a weird problem. When accelerating above 20-25 MPH it starts shaking. Not the steering wheel. The entire car is shaking as if driving over rocks. It is pretty annoying, and I am now concerned as it seems to have gotten somewhat worse than before.

Tires are rebalanced and rotated, so i dont thing it is that. My wife is freaking out, as she is driving it with 2 small kids.

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Lexus GX 2004-09 :: 2005 GX470 TPMS Light Is Flashing

2005 GX470... Long time Toyota owner, first time Lexus with tpms. Light is flashing meaning a bad sensor from what I've read. Lexus wants $ to check and repair one wheel. Discount tire had a hand held checker and it found two bad sensors.

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Lexus GX 2004-09 :: 2005 GX470 - AC Takes A Few Minutes Of Driving To Get Cold

I love my 2005 GX 470, but the A/C takes a few minutes of driving to get cold. It eventually performs like it should, but it shouldn't take 5+ minutes for the output to be cold I wouldn't think ...

IS THIS NORMAL for this vehicle or is there an issue? what is YOUR experience? My MDX will freeze you out after about 20 seconds of operation ...

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Lexus GX 2004-09 :: 2005 GX470 - Front Wheel Well Inner Shield Or Liner

What the front wheel well liner shields that are held in by plastic clips are called there are made out of rubber cardboard fiberish material they keep water and debrie from getting in through the wheel wells. Need to know the part number.

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Lexus GX 2004-09 :: 2005 GX470 Stuck In Neutral Or Limp Mode

My wife started up my 2005 GX470 this morning to go to work and drove maybe a half mile before she noticed a problem. So she turned around and drove it back home in limp mode. She put it in park and got out.

Most of the Warning Lights are on ( VSC OFF, VSC TRAC, Anti Skid, Check Engine etc). I tried moving the shift lever but there was some resistance and some grinding noises. And it now seems to be stuck in neutral.

How to diagnose this myself? We only drive this vehicle in the winter, and it was fine the last time we used it.

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Lexus GX 2004-09 :: 2005 GX470 Front Axle Boots Leaking

A Lexus dealer in NJ told me my 2005 GX470 front axle boots leaking, they gave me a quote to re-build both side.

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Lexus GX 2004-09 :: 2005 GX470 Stalls At Highway Speed But Restarts?

I have a 2005 GX470 with 96,000 miles. Yesterday, while going on a 500 mile road trip the car stalled suddenly while traveling about 75mph on the interstate. It would start surging and then just stall completely. I pulled over.. Let the car sit for a minute and then it started right back up with no trouble. It did this to me 4 times on the trip about 80-100 miles between issues. The last time it was while accelerating hard up hill. All other electrical functions.. Radio, lights, etc... continued to work fine. I don't recall the cel ever coming on and even if it did it wasn't on when it restarts. It was 100 degrees out.

I'm on vacation so wanted to get it checked put before we head home but curious on thoughts of what it might be? I was thinking clogged fuel filter or MAS but the fact that it restarts right up after stalling makes me ink it might be more of an electrical issue.

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Lexus GX 2004-09 :: 2005 GX470 - Clunk Shortly After Coming To A Stop?

I have been reading some mixed reviews here in regards to the "CLUNK". I am referring to that feeling as if hit from behind shortly after coming to a stop. Some are saying it still exists in the 2005 while others are implying that it has been resolved.

Just to be perfectly clear.... Has experienced this "Clunk" in a 2005 GX?

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Lexus GX 2004-09 :: 2005 GX470 - Loud Popping / Crackling From Back Speakers

This just started happening two weeks ago but it occurred 4 times already. When i first turn the car on sometimes the back speakers pop/crackle loudly and one time it occurred that the radio was not operational for about five minutes after the loud popping occurred. I have a full platinum lexus coverage on the vehicle but the issue is the dealership cannot replicate the problem with the car. On most of the post ive seen that the issue is most likely the amp. I was wondering if there is a way to replicate the issue at hand or am i going to have to records this and show it to the dealer.

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Lexus GX 2004-09 :: 2005 GX470 Stiff Ride - Rear Suspension Woes

I've had the stiff ride issue with my 2005 gx470. Took it to three lexus dealers and finally the vehicle is fixed. Hats off to Lexus of Maplewood, St Paul, MN. Their shop foreman persisted and found after several days troubleshooting; a speed sensor was the culprit. My ride is much smoother over speed bumps without the need to cycle through the height adjustment.

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Lexus GX 2004-09 :: Converting 2005 GX470 To Push Button Start Ignition?

I'd like to convert my 2005 GX to a push button start ignition.

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Lexus GX 2004-09 :: 2005 GX470 - Rear Air Suspension Dropping Down To Bump Stops

How to fix rear air suspension from dropping down to bump stops ...if I reset it every night it is fine but if not it will be down on bump stops by morning.

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Lexus GX 2004-09 :: 2005 GX470 - Left Rear Suspension Leak Down To Bump Stops

My left rear suspension will leak down to bump stops unless I turn off auto suspension leveler. I can set suspension at high level turn off and it will stay that way i had set that way for 2 weeks and no leak but if I turn on leveler it may stay or it may leak down usually just left side somebody had said that my air bags were leaking so I tested it out all last month and find it hard to believe the bags are leaking if it will stay inflated a week or 2.

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Lexus GX 2004-09 :: 2006 GX470 Excessive Engine And Fan Noise

Having bought my 06 GX 470 only a few months ago, we're encountering 90-degree-plus days for the first time. There is an unusually loud noise from the engine that I'm almost sure is cooling fan noise. It occurs after running in the heat of the day. It's not mechanical noise, but a loud roar like that of a large truck engine. Is this typical for these models in the heat?

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Lexus GX 2004-09 :: 2006 GX470 SRS Light On When Engine Hot / Off When Cold

I have a 2006 GX 470 with 130,000 miles on it. Recently, when driving on long trips I have noticed that the SRS bag light will come on after we stop after driving for a while. To be a little clearer, the car will start normally when cold, all dash lights will go through their sequencing and turn off. We will drive for a distance which will be long enough to heat everything up, say to the mall or a restaurant.

When we return to the car and I start it all lights go thru their sequencing and the SRS light stays on. Next morning, after the car has cooled, everything is normal again. Lexus says it is the 89170-60241 sensor assembly that is $489.26 plus $310.95 in labor to replace. While I have owned the car I have successfully replaced the air suspension rear sensors and all the O2 sensors and recently did an engine swap with my son on his Toyota Supra so I think I can handle the repair. Where is the sensor located and how is it accessed??

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Lexus GX 2004-09 :: GX470 Engine Noise When Decelerating - RPM Drops

How to diagnose the engine issue I am having. The gx currently has 96k miles and I am planning on doing a timing belt and water pump replacement as I plan on keeping it as long as possible.

One new issue that crept up is that when going down the hill the car engine sounds like it's actually accelerating and the RPM drops to as if it was idling.

Normally when going down the hill it usually stays around 1 or 2 on the rpm, it's noticeably different and just started happening recently. What might be the cause of this?

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Lexus GX 2004-09 :: 2006 GX470 Engine Hissing Noise Never Stops

06 GX470 muffler exhaling white smoke for a while, now the smoke disappeared, however, a new hissing engine noise is evident. The noise increases with the revolutions of the engine and it never stops.

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