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Write up: I finally had it with my SQUEAKY A/C!

Discussion in 'Technical Chat' started by BradleyScottETC, Apr 25, 2010.

  1. Apr 25, 2010 at 2:47 PM
    #1
    BradleyScottETC

    BradleyScottETC [OP] Class IV Category 8 Elite VIP Member (Only)

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    Bradley
    Lake County, FL
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    I was driving back from the beach today and was ready to rip my A/C controls out and throw them out the window. My Blower motor is RIDICULOUSLY obnoxious on the two lower speeds, so I when I got home I thought I'd do a write up on it. You can also use this information to replace a defective blower as well.

    Just a quick disclaimer: I am a commercial A/C technician by day, so I'm experienced but I don't necessarily work on vehicle equipment. On one hand, I worry that this advice might void your warranty on this equipment (and if you are too and you're not confident in your ability to do this, don't), but on the OTHER hand, this is a really easy fix that's well worth it to me. The dealer, and most any technician, would simply replace this part and charge you for it, the mark-up AND an inflated labor time. If you do this yourself, it's free.

    Sorry, the pictures are a bit blurry... taken with my phone they look pretty good to ME! :D

    All you need:
    1.) WD-40, spray lubricant or bearing oil
    2.) A 5.5mm (7/16") socket or nutdriver
    3.) A phillips screw driver.

    First, you must remove the blower assembly. It's located behind your glove box and held up by 3 of the 5.5 mm screws. Just unplug (gently) and remove these screws with your 5.5mm or 7/16" socket. You can remove the glove box to make it a little easier, but I didn't bother. All my crap would spill out everywhere. :D

    [​IMG]

    Then, once you've got it out, there are 4 phillips screws that hold the back cover on. Remove these to get to the actual blower motor.

    [​IMG]

    [​IMG]

    [​IMG]

    The end bell is now exposed. You can remove the two phillips screws holding this on and gently remove it, revealing the bearings and motor windings.

    [​IMG]

    [​IMG]

    Now, carefully oil the bearings. You can also clean the end-bell out if you'd like. Be CAREFUL not to get anything on the windings of the motor than could be conductive enough to short the windings. You'll go from a squeaky motor to one that just wont turn at all. I only oiled the bearings closest to me, in effort to avoid this. This was enough repair the problem, however.

    [​IMG]

    Now, replace the end-bell and cover and reinstall by repeating the steps in reverse. If everything went well, you shouldn't have any more SQUEAKING!
     
  2. May 1, 2010 at 5:33 PM
    #2
    Cortland

    Cortland THIS IS AMERICA!!!

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    I'm gonna have to try this in the next day or so.
     
  3. Aug 24, 2010 at 7:58 PM
    #3
    DevL

    DevL Well-Known Member

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    THANK YOU!!!! PLUS 1 TO REP THIS WAS DRIVING ME NUTS on the lowest 2 settings... usually when the temp got lower it would start. I pulled the filter and touched the fan and figured it must be the bearing to that fan but didnt know how to access it. Im still under warranty but even after I get it replaced I now know how to fix the most annoying squeak (chirp, chirp, chirp) since my leaf springs.
     
  4. Aug 24, 2010 at 8:01 PM
    #4
    SlurpeeBlueMetallic

    SlurpeeBlueMetallic FFFFFFUUUUUUUUUUUUUUU...

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    I'm waiting for it to cool off later this year to see if my A/C squeak returns. I'll check here but I also saved this thread for if I have to tackle it since it goes even a bit further.
     
  5. Oct 10, 2010 at 9:50 AM
    #5
    Beary

    Beary New Member

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    Thanks for the post and your pics get the point across. I used Liquid Wrench White Lithium Grease in a spray can...the straw (like WD40) helps direct the lubricant...just be careful to not go crazy with it. I just completed the procedure (as described here and in another post) and it's quietly purring at low fan speeds now...I just hope it lasts...other posts seem to indicate that lubrication might only work for a while, and that bearings might need to be replaced eventually...
    http://www.tacomaworld.com/forum/2nd-gen-tacomas/28355-blower-motor-squeek-chirp-low-fix-2.html
     
  6. Oct 25, 2010 at 6:48 PM
    #6
    larryde09

    larryde09 Well-Known Member

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    Thanks for the info. Using your post and another similar post, the job only took about a half our. Now I won't go nuts this winter. +1
     
  7. Dec 26, 2010 at 12:58 AM
    #7
    evil_umbrellacorp

    evil_umbrellacorp Noob

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    Hula girl on dash, that's it.
  8. Dec 26, 2010 at 1:23 AM
    #8
    lookylookitzadam

    lookylookitzadam Retrofit Club!

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    A Lot of my friends who got the TSB done have had the issue return. Just follow the write up and use some white lithum grease and you are golden. (at least I have had 3 months and counting ::fingers crossed;::)
     
  9. Dec 26, 2010 at 5:59 AM
    #9
    05RedTaco

    05RedTaco Nom Nom Nom

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    Thank you sir! I am doing this today!

    I will try some Lock lubricant. WD-40 wears off therefore there is a chance of the squeaking returning. Lock lubricant doesn't wear off :)
     
  10. Dec 26, 2010 at 7:18 AM
    #10
    Biff

    Biff What could go wrong?

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    Awesome....i will be trying this on my week off. Thank you.
     
  11. Nov 1, 2012 at 1:07 PM
    #11
    KTMTaco2011

    KTMTaco2011 Member

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    Great thread excellent write up.. Fixed that darn squeaking that's been going on since I bought the truck.
     
  12. Nov 19, 2012 at 1:20 PM
    #12
    fj40taz

    fj40taz Well-Known Member

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    very cool i have to do this to my 2010...
     
  13. Oct 2, 2013 at 5:30 PM
    #13
    cholzer

    cholzer Well-Known Member

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    Worked great thanks for the write up. I will only say its a 7/32" socket (5.5mm) rather than 7/16" not nit picking though as you saved from driving anymore aggressively :D:cool:
     
  14. Oct 4, 2013 at 1:48 PM
    #14
    tacoma guy

    tacoma guy Well-Known Member

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    Bilstein 5100's set @ 0 with OME 883x coils up front . Alcon leaf springs. Viper Alarm. Wet Okole seat covers. WeatherTech Floor liners front and back. Oem Toyota chrome exhaust tip.
    Great write up. I am going to do this after I am done healing from shoulder surgery. Thank you for the awesome info. Mine just started .
     
  15. Nov 28, 2013 at 6:11 AM
    #15
    OKJC

    OKJC Well-Known Member

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    Sounds like i've got a pissed off cricket in the heater of my 2010 with nearly 90k miles. I'll be doing this today! Happy Thanksgiving everyone!
     
  16. Feb 6, 2014 at 8:50 PM
    #16
    bowhunter1994

    bowhunter1994 Member

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    Good write up
     
  17. Feb 7, 2014 at 9:13 PM
    #17
    JT Class

    JT Class Can't spell class without...

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    Just what I was looking for!! Was about to torch the whole dash to kill that damn hamster! ... Always running on his little squeeky wheel...

    thx! +1
     
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