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See part 58 in the diagram
Replacing your KitchenAid Mixer Worm Gear and Bracket play video
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Worm Gear and Bracket

★★★★★
★★★★★
4 Reviews
$30.34
Fix Number: FIX11740516
Manufacturer #: WP240309-2
Manufactured by: Whirlpool

Product Description

Used for Kitchenaid Mixers.

Videos For installing this part.

Replacing your Worm Gear and Bracket

Replacing your Worm Gear and Bracket play video
Questions and Answers

Questions and Answers

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Installation Instructions Provided by Fix customers like you.

Average Repair Rating: 2.6 / 5.0, 10 reviews.
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    Internal Worm Gear to Electric Motor Stripped
    After looking at your sites great exploded views I was able to disassemble the motor assembly. Replaced the brushes and damaged gear assembly . Reassembled Worked great.Wife's china made mixer had diecast internal parts that shattered after her attempt to mix cookie dough. Now with this USA made Kitchen Aid Mixer she can mix concrete with coke bottles and never work hard. Thank You for you great site and delivery ethic. Only wish my Hitachi ex50urg excavator had a parts exploded views as you do. Also Worm gear and bracket had improvements to redirect lube grease to keep improved gear material well lubricated.
    6 of 7 people found this instruction helpful.
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    • Customer:
      Eric from GAITHERSBURG, MD
    • Parts Used:
      WP240309-2
    • Difficulty Level:
      A Bit Difficult
    • Total Repair Time:
      1- 2 hours
    • Tools:
      Screw drivers, Wrench set
    Worm gear broken, mixer motor runs, no spin
    https://youtu.be/1QsgPIL9FpA

    I followed these video instructions. Note: you will need the roll punch as a substitute will not work. Also, use the punch before removing the stand base as this will make it easier to keep it stable.
    3 of 3 people found this instruction helpful.
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    • Customer:
      Kenneth from Huntley, IL
    • Parts Used:
      WP240309-2
    • Difficulty Level:
      Really Easy
    • Total Repair Time:
      30 - 60 mins
    • Tools:
      Screw drivers
    Our 33 year old mixer was making a grinding/screeching noise.
    I disassembled the mixer as shown in the online video & replaced the part which was attached with 3 screws. The noise is gone & my wife is happy! And, I am happy that we did not need to spend hundreds for a new mixer. I would recommend that if you think that this part will fix your problem, that you replace the entire worm gear & bracket unit rather trying to replace only the plastic worm gear because that would involve a greasy mess of more work for a savings of just a few dollars.
    3 of 3 people found this instruction helpful.
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    • Customer:
      Lisa from OXNARD, CA
    • Parts Used:
      WP240309-2
    • Difficulty Level:
      A Bit Difficult
    • Total Repair Time:
      More than 2 hours
    • Tools:
      Screw drivers
    My mixer stopped turning
    I watched a 3 part U-tube video. Part 1 take it apart. Part 2 grease it and replace the worm gear. Part 3 put it back together
    1 person found this instruction helpful.
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    • Customer:
      Donald from Stuarts Draft, VA
    • Parts Used:
      WP240309-2
    • Difficulty Level:
      A Bit Difficult
    • Total Repair Time:
      1- 2 hours
    • Tools:
      Screw drivers
    Paddle would not turn but motor was running fine.
    Found plastic worm gear stripped. Ordered part from excellent parts breakdown sheet provided by this site . Looked up above model mixer on U Tube and watched video on "How to repair KitchenAid Mixers. Thanks to this site for prompt shipping.
    1 person found this instruction helpful.
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    • Customer:
      Kathy from Estes Park, CO
    • Parts Used:
      WP240309-2
    • Difficulty Level:
      Easy
    • Total Repair Time:
      1- 2 hours
    • Tools:
      Nutdriver, Screw drivers
    Stipped the worm gear (wouldn't turn anymore)
    My mixer was a heavy-duty, so the stand is stationary (doesn't flip up like the video's all show). After trying for about 30 minutes to figure out how to get the top off to expose the gear (about step 5), I finally took out the large screws that connected the base to the top (just under the top section, and found that underneath that plate there were four additional screws that were holding the two halves of the top together. Very easy to install the new gear. After putting the two halves back together, BE SURE TO TURN THE GEAR UNTIL THE HALVES SETTLE ALL THE WAY BACK INTO PLACE. Mine nested in, but was off about 1/16 - 1/8" so I couldn't get the pin back in. I finally put the hole punch in the hole and jiggled it a little bit and it settled in the last 1/8" so that I could put the pin back in. Easy, peasy from there! :)
    1 person found this instruction helpful.
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    • Customer:
      Michael from Kent, WA
    • Parts Used:
      WP4162324, WP240309-2
    • Difficulty Level:
      Really Easy
    • Total Repair Time:
      1- 2 hours
    • Tools:
      Pliers, Screw drivers, Wrench (Adjustable)
    stripped out the worm gear
    This is a relatively easy repair. There are a number of steps to getting access to the gear and bracket but easy to figure out. Once the assembly is opened up the gear bracket is exposed and three screws removes it and reinstalls the new piece. Once it is exposed I recommend cleaning the inside of all the old grease and putting fresh in. I also recommend replacing the Transmission Case Gasket. Both can be purchased from this site. Then reassemble. Prior to putting the back housing piece on, which is the one of the last pieces take a few minutes to look on uTube for instructions on how adjust the speeds of the mixer. This is also very simple and frankly shouldn't be overlooked. Many mixers seem to loose "speeds" over time. A tune up repairs all the presets so the mixer is running at the appropriate speeds and all the speeds. Mine seemed to not have two of the speeds, and initially I thought I had lost some gears. But a tune up restored them.
    0 of 1 people found this instruction helpful.
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    • Customer:
      John from Bismarck, ND
    • Parts Used:
      WP240309-2
    • Difficulty Level:
      A Bit Difficult
    • Total Repair Time:
      30 - 60 mins
    • Tools:
      Screw drivers
    Worm gear was broken and mixer would not work
    followed the instructions and video on web site and it went very well. Repaired two in the last 10 days and both went as planned with no issues. Great site, service, and instructions. Will use them again.
    0 of 1 people found this instruction helpful.
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    • Customer:
      charles from wichita, KS
    • Parts Used:
      WP240309-2
    • Difficulty Level:
      Easy
    • Total Repair Time:
      More than 2 hours
    • Tools:
      Screw drivers
    Stripped nylon worm gear
    Down loaded repair manual off line followed instructions.
    0 of 1 people found this instruction helpful.
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    • Customer:
      ERNEST from West Bend, WI
    • Parts Used:
      WP240309-2
    • Difficulty Level:
      A Bit Difficult
    • Total Repair Time:
      30 - 60 mins
    • Tools:
      Screw drivers
    Auger would not spin
    Remove two screws on trim band, drive pin from auger shaft. remove screws on underside of motor head, separate lower from upper halfs. lay upper half aside, remove three screws securing worm gear and bracket to unit, lift off and replace with new part. reverse procedure to assemble.
    0 of 1 people found this instruction helpful.
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      Customer Reviews
      Average Rating: (4 Reviews)
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      ★★★★★
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          Model Compatibility
          This part works with the following models:
          Fix Number: FIX11740516
          Manufacturer Part Number: WP240309-2
          Brand
          Model Number
          Description
          KitchenAid
          3K45SS
          Mixer
          KitchenAid
          3K5SS
          Mixer
          Whirlpool
          3KSM150PSTAQ0
          Mixer
          Whirlpool
          3KSM150PSTBM0
          Mixer - Stand Mixer
          KitchenAid
          3KSM150PSTBW0
          Mixer - MIXER
          KitchenAid
          3KSM150PSTCB0
          Mixer - MIXER
          KitchenAid
          3KSM150PSTCL0
          Mixer - MIXER
          KitchenAid
          3KSM150PSTCU0
          Mixer - MIXER
          Whirlpool
          3KSM150PSTDR0
          Mixer
          KitchenAid
          3KSM150PSTER0
          Mixer - MIXER
          KitchenAid
          3KSM150PSTGA0
          Mixer - MIXER
          Whirlpool
          3KSM150PSTIC0
          Whirlpool
          3KSM150PSTLR0
          Mixer
          Whirlpool
          3KSM150PSTMH0
          Mixer - Stand Mixer
          KitchenAid
          3KSM150PSTMY0
          Mixer - MIXER
          KitchenAid
          3KSM150PSTOB0
          Mixer - MIXER
          Whirlpool
          3KSM150PSTPA0
          Mixer - Stand Mixer
          Whirlpool
          3KSM150PSTPK0
          KitchenAid
          3KSM150PSTTG0
          Mixer - MIXER
          Whirlpool
          3KSM150PSTVB0
          Mixer - Stand Mixer
          KitchenAid
          3KSM150PSTWH0
          Mixer - MIXER
          Whirlpool
          3KSM150PSTWM0
          Mixer
          KitchenAid
          3KSM5CBTER0
          Mixer - MIXER
          KitchenAid
          3KSM5CBTWH0
          Mixer - MIXER
          Whirlpool
          3KSM95TCZ0
          Mixer
          Whirlpool
          3KSM95TWH0
          Kenmore
          4154636928
          Grill - Outdoor Grill
          KitchenAid
          4K45SS
          Mixer
          KitchenAid
          4K45SS7OB0
          Mixer
          KitchenAid
          4K45SS7WH0
          Mixer