2001 Lexus RX 300 fixing noisy air conditioning grinding, clicking, rattling sounds
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- เผยแพร่เมื่อ 27 ก.ค. 2024
- AC started making a loud grinding, rattling, clicking sound and air wouldn't blow from the front facing vents in auto mode unless I turned off the air and turned it on again in the front vent mode.
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From what I can find on the internet, this thing has a couple of names: the air mode servo, or the air flap actuator. The actual fix for the clicking/grinding is at around 19 minutes on this video. Basically the worm gear is too loose on the little motor. I wached this video and fixed my air vent issues. Thanks a lot YJ!
Thank you for taking the time to put up the video, i was able to fix my moms cars thanks to it. For everyone out there who will be doing this themselves, here are a few tips to keep an eye out for.
1- Watch the video from 9:31 to 9:38 in .25 slow motion. It'll show you the position of the white piece in the back of the motor and the arm that drops down.
2. Make sure the silver arm is in the up position (i think thats closed)
3. Be careful with the tabs when opening the box, they break easily. I broke two but there were 4 more so it's holding fine.
4. Remember the motor direction, use a marker to notate which side goes where.
5. Be sure to have a magnetic screwdriver.
This is very helpful advice! I’m doing mine soon thanks!
This video was extremely helpful. My girlfriends Lexus RX300 had the same issue with the mode mix servo. The little worm gear had a bunch of play in it. I adjusted the shim up a tiny bit on the shaft, put it back together and it worked perfectly. Saved myself 200 bucks!
Things to add to this video, put the mode setting in a place the actuator makes no noise and leave it there! then when you remove the actuator make note of where it is on this setting. Remove the actuator then mark on the actuator its position this is THIS IS VERY IMPORTANT. I used a scratch-all do the mark on the case, Then repair the gear but before you do make note of the motor which side is up or it will spin the wrong way "Backwards" mine had printing on one side so please make note before you remove it! I would also go to Harbor Freight and get a small assortment of wood screws in case you do loose a screw. I found out about the motor by putting it in backwards! Good luck this repair will save you lots of $$$$$$
Loved the way yo gave the viewer a chance to study the components to aid in getting together properly. Video is worth a thousand words
great demo, no verbally need
Can't thank you enough- mode servo has been stuck for 3 years and I fixed this morning using your video. Thanks so much!
Christopher Bailey I worked on it, the sound disappeared but now the air conditioning does not work at all, any help?
Thank you so much, I fixed my AC's problem less than 45 minutes with your help instead of spend more than $200 : )
I did this on my 2006 4runner and it has fixed the noise. Saved me a ton according to a dealership quote. Thanks for posting.
Thx a lot. Just fixed mine, hopefully it will last. Be careful when opening the case, the plastic clips can be easily broken. I broke two, but four clips still work
Good troubleshooting! I'm glad it worked.
On my 04 es330 I only needed to clean off the metal prongs and old grease. I regreased, reinstalled and I was good to go. No loose gears to be found.
Thanks for posting this. Really helpful to watch how to remove everything. I had issues with the other servo myself.
great that it worked for you too! It just takes time.
Yader Jurado how long did it take?
It worked. Thank you Yader!!!
Thanks a lot, fixed mine today and it's working perfectly.
Thanks for the fix video! Much appreciated. My RX 400h has started doing this so I’ll be using your video guide when repairing it. 👍👍
Worked like a charm
you are amazing that was perfectly done
worked well, thanks for the video
worked like a charm
The same with Corolla E12 - work like a charm.
Wish he had played an example of the clicking sound in the beginning of the video.
This Mexican mechanics are awesome! they might not speak english but the videos are very helpful. Thanks!!
Thank you....Worked for me Too!
Ty for your video.
Thanks for the video. It helped me fixing my bad mode servo on my 2002 Lexus RX 300. Curious to see how long my fix will last.
So, wasn't there two of them ? Did you have to repair both ? Excellent video by the way !! Thanks for taking the time.
One controls the warm/cold mix, other controls the mode damper, floor, face, defrost
Worked for me. Thanks for the how to.
Good job
Thank you so much! Best video on this
Good video
It's help me to understand my rx300 MCU15 1998. Thanks.
Thanks for the info work great
Thank you
Nice video. Thank you
Please, could someone tell me the exact Toyota part number of those screws that keep in the correct place the actuator motor?
Great!
Como limpiar la pantalla de la estufa de cristal que se le derritió un teflon
my lexus RX330 also has clicking noise around gear box, when set up the temp over 24 C .
What is the blue thing that he added? Is it some sort of glue?
Afghan Viral blue loctite. Available at any Home Depot/auto parts store. He applied it so the copper shim wouldn’t slide back down.
Colin M thank you for the reply. I did actually get to and did everything in the video. The sound completely disappeared but sometimes it reappears for a certain amount of time and then disappears, any suggestions?
非常感谢您的分享，非常棒的工作！
Thanks for sharing, very useful!
use your voice, friend. don’t be shy. that, or learn how to add text to your videos. i’m 8 minutes into a 24 minute video and wonder why you haven’t said anything.
This is for the hot/cold actuator, NOT the mode actuator (bottom one)
Thank you!
Would have been more entertaining with profanity
Can you take longer?! Don't quit your day job.
worked like a charm