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See part 30 in the diagram
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Upper Spray Arm with Retainer

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$ 29.44   On Order

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PartSelect Number PS2003051
Manufacturer Part Number 12001446
Manufactured by Whirlpool
Product Description

Upper Spray Arm with Retainer Specifications

This upper spray arm helps distribute water from the top of the dishwasher tub.

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Troubleshooting
This part fixes the following symptoms:
Not cleaning dishes properly | Leaking
This part works with the following products:
Dishwasher.
This part works with the following products:
Maytag, Jenn-Air.
Part# 12001446 replaces these:
AP4009409, 1906, 12001446
Questions and Answers

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Customer Repair Stories
 Average Repair Rating: 3.7 / 5.0, 18 reviews. What's this?
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dishes weren't getting cleaned
1) Lower Spray Arm and Pump Housing Filter:
1a) Unscrewed lower spray arm cap. Removed lower spray arm. Removed metal radiant shields from lower spray arm, cleaned them, and snapped them onto the new lower spray arm.
1b) Removed Torx screws from pump cover, then removed pump cover.
1c) Curled new filter into circular shape, interlocking the tabs to connect the ends together, then replaced the old pump housing filter by removing the old filter and then pushing the new one into place in the pump cover. Old O-ring was fine, so didn't really need to replace it.
1d) Re-installed pump cover by aligning the water ports on the cover with those in the dishwasher, then pushing cover down into place, then installing and tightening the Torx screws. If I were to do this repair again, I would replace the pump cover with a new one.
1e) Installed the spray arm by placing the new lower spray arm into position over pump cover, then screwing in the lower spray arm cap.
2) Upper Spray Arm
2a) Removed upper spray arm by unscrewing the snap outlet nut, then removing the spray arm retainer. This way, the retainer is undamaged and can be re-used.
2b) Attached new upper spray arm to snap outlet nut by pushing old retainer through new upper spray arm and into snap outlet nut.
2c) Installed new upper spray arm by screwing snap outlet nut back into the dishwasher.
132 of 158 people found this instruction helpful.
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Water leaking out of bottom of door when running
Replacing bottom spray arm to fix leaky door:

To fix the leak in the door it is necessary to replace the bottom spray arm. This is because when the lower spary arm fails it gets small splits which, when spraying, send water up into the door vent and inside the door. It then leaks out the bottom of the door to drain.

1. Take out he bottom dish rack.

2. Locate plastic nut (lower spray arm cap) on lower spray arm (see parts diagram).

3. Remove plastic nut (lower spray arm cap) by hand - it twists counter clockwise to loosen.

4. There will be a small piece (jump-up nozzle) under the plastic nut (lower spary arm cap). Note how it was situated. Place it aside with the lower spary arm cap - you'll need them both during reassembly.

5. Pull off lower spary arm and filter guard (they are attached to each other).

6. Note how the lower spray arm was attached to the filter guard. The top and bottom of the lower spray arm are not the same.

7. Unsnap lower spray arm from filter guard by pulling up on one side and then the other to removed it from the plastic clips on the filter guard.

8. Install the new lower spray arm, by snaping it into the plastic retainers on the filter guard, one side at a time. Make sure you installed it with the correct side up.

9. Remove the two metal pieces (Radient Shield)from each end of the old lower spray arm and place the on the new lower spray arm. A small flat head screwdriver is useful to assist in removing them from the old arm.

9. Place the assembly (lower spray arm and filter guard) back onto the dishwasher and place the jump-up nozzle back into position.

8. Attach the palstic nut (lower spray arm cap) and tighten clockwise until secure. Don't over tighten.

9. Slide the bottom dish rack back into position.

This will fix the problem of the leaky door. I went ahead and replaced the upeer spray arm at the same time since it was a connvient time to do so.
If you wish to do so read on.

Replacing upper spray arm.

1. Remove the bottom dish rack.

2. You can remove the top dish rack, but you don't need to.

3. Examine where the upper spray arm is attached to the dishwasher. You will see three parts. The one on the spary arm center - toward the inside of the dishwasher is the SNAP SPRAY RETAINER. Next is the UPPER SPRAY ARM itself. Next, between the UPPERT SPRAY ARM and the body of the dishwasher is the SNAP OUTLET NUT.

4. Remove the SNAP OUTLET NUT by turing it counter clockwise (remember its upside down so you have to be looking up at it to determine which way is counter clockwise). I had to use a screwdriver blade and the palm of my hand to get it to loosen - I set the blade against one of the Knurls on the nut and gave it a tap with the palm of my hand).

5. The whole assembly will drop down. Remove it from the dishwasher. Note the way the UPPER SPRAY ARM is positioned; as the two sides are different.

6. With a pair of needle nose pliers compress the wings of the SNAP SPRAY RETAINER and remove it from the assembly. The assembly is now in three pieces.

7. Replace the old UPPER SPRAY ARM with the new one - again make sure it is in correctrly, as there is a top and bottom to the spary arm.

8. Insert the the SNAP SPRAY RETAINER into the new UPPER SPRAY ARM and into the SNAP OUTLET NUT. Place the assembly back into the dishwasher by tightening down the SNAP OUTLET NUT - turning it clockwise to tighten.

9. Replace the uppper dish rack if you removed it.

10. Repalce the lower dish rack.
  • Wayne from Moreno Valley, CA
  • Difficulty Level:
    Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Pliers, Screw drivers
19 of 23 people found this instruction helpful.
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No pressure in Spray Arms, no washing action
The hardes part was to remove the retaning nut (#34 on the diagram). There isn't enough grab on it and it is quite flimzy. Be prepared to butcher it if necessary. I resorted to wedging a screwdriver between the top flange of the nut and the spray arm and that gave me torque I needed to undo it. Luckily, the nut survived and could be reused.
Once the nut is off, everything else is pretty straightforward, just pay attention what goes after what and in what orientation (take notes if you must, however, I did not and got away with it). My machine has not been serviced in years and there was calcium deposits everywhere. If your machine is just as bad as mine, I strongly suggest to remove everything that can be removed and give it a nice vinegar bath or use other products designed for calcium removal (ask your wife what she is cleaning the bathroom with, it will most likely do). Bottom line, the cleaner the parts are, the better it will pump.
In my case, it was the calcium that eventually killed the impeller #14 and made it spin on the shaft (no pumping therefore).
Inspect all the parts for heat / wear damage so you put one order for everything you might need.
Secondly, the screw #12 that holds the impeller #14 on the shaft is a tiny screw and it is originally secured with a threadlocker. Make sure that the internal thread in the shaft and the screw are absolutely dry before applying loctite.
Thirdly, there is a plastic ball that sits in the cavity in one of the disk-like part (not shown on the diagram). Do not loose it and make sure it is put back.
That's pretty much it. Once properly cleaned and repaired, the machine washed like brand new. Pretty good for less than $50 investment in parts and a week downtime. . .
  • Yuriy from Skokie, IL
  • Difficulty Level:
    Difficult
  • Total Repair Time:
    More than 2 hours
  • Tools:
    Screw drivers, Wrench (Adjustable)
  • Parts Used:
    99001795, WP902461, 12001446
16 of 20 people found this instruction helpful.
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Spray arms were split in the seams & clogged
After I figured out how to remove the spray arms, and filter guard (that was the hardest part) it was a piece of cake. Just a matter of snapping the spray arm into the filter guard, and replacing it the dishwasher, and tightening it with the screw in retainer. Upper arm was also easy to replace after removing the top rack.
12 of 29 people found this instruction helpful.
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Our dishwasher was not working well at all
After realizing that both upper and lower sprayer arms had long thin cracks in them, I decided to try replacing the arms instead of the more expensive option of upgrading the dishwasher altogether. The top arm popped right out with no tools, new one popped right back in place. The lower arm is easily removed after unscrewing the large ring in the middle of the arm. New arm fit right in place and screwed the ring back on. Dishwasher working like new again!
  • William from Niskayuna, NY
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
  • Parts Used:
    WP99001788, 12001446
6 of 8 people found this instruction helpful.
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Dishwasher no longer cleaning dishes
I have no prior experience fixing any appliance but figured I might be able to save this old dishwasher. I read some where on this web site that I needed to replace the upper and lower spray arm, and someone suggested replacing the filter as well. I ordered the parts by looking at partselect.com's picture of the dishwasher and read someone's explanation that I needed to remove the filter housing to replace the filter.

The upper spray arm comes off by gently pulling down on the spray arm. I put the new one in its place.

The lower spray arm had a thin, large (about 2" diameter) round screw holding it and its housing in place. I removed the large, flat screw and the lower arm came off. Below that was the filter housing. I unscrewed the six screws, took off the housing, replaced the filter, and put the housing back on.

Then I removed the lower arm from the plastic thing that was holding it, removed the stainless steel heat plates and put them on the new washer arm. Put the washer arm back on the thing that held it, and screwed the washer arm assembly in place with the large plastic screw.
  • Susan from Flagstaff, AZ
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
6 of 9 people found this instruction helpful.
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Dishwasher upper spray arm broken from spray head.
Just snap the new spray arm into place. One minute or less.
  • Richard from Warren, OH
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
  • Parts Used:
    12001446
3 of 3 people found this instruction helpful.
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dishes were left covered with soap and not completely clean at end of cycle
The top and bottem spray arms plus the secondary filter located on the bottom of the dishwasher were 80% blocked with dishwasher soap which would not allow water to rinse the dishes completely.
The upper spray arm had fallen off, so I was able to quickely replace it with the new arm and clip by simply inserting the clip into the spray arm and pushing it into place.
The lower arm came off easily by turning the large knob on top off it and pulling it off. After removing the arm I was able to access the three screws that release the secondary filter cover. The screws required a set of star sockets to turn them.
I then put the filter cover on and replaced the screws. I placed the lower arm assembly back on and ran the dishwasher. It worked like new again.
The photos and descriptions in the parts catagories made it very easy to find the correct parts that I needed. I highly recommend Partselect to anyone who is a do-it your-selfer!
Jim
Three Rivers MI
  • Jim from Three Rivers, MI
  • Difficulty Level:
    Easy
  • Total Repair Time:
    1- 2 hours
  • Tools:
    Pliers, Screw drivers, Socket set
  • Parts Used:
    99001789, 12001446
3 of 3 people found this instruction helpful.
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Sprayer arm broken off
Since the sprayer arm had so graciously landed on my clean glasses, there was little prep involved. After cutting the power at the box, I took a towel and cleaned some crystallized 'gunk' from around the area. Following the diagram from PartSelect for the model, I inserted the plastic clip and 'popped' the arm into place in the top of the dishwasher. It was embarassingly simple, and I'm so glad I was able to fix the beast for $20 or less.
  • Tracy from jacksonville, FL
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
  • Parts Used:
    12001446
3 of 4 people found this instruction helpful.
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upper arm fell off, dishes were not getting clean, dishwasher leaked
My husband offered a new dishwasher, (portable $500-$600), but I thought that was unecessary. So he handed me the job. I figured out the parts, easy since the arm fell off, and the notes on your website recommended doing also the lower arm and filter. (Great notes and recommendations by the way)
I ordered the parts at noon one day and they arrived at 11.00 a.m. the next day!! Incredible!!
My son looked at the instructions and had it done in less than an hour, for LESS than $50!
It works better than ever and does not leak any more(can't figure out why!)
  • Marsha from Pasadena, CA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
2 of 3 people found this instruction helpful.
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      Model Cross Reference
      This part works with the following models:
      PartSelect Number: PS2003051
      Manufacturer Part Number: 12001446
      Brand
      Model Number
      Description
      Jenn-Air
      JDB4950AWF
      Dishwasher
      Jenn-Air
      JDB4950AWG
      Dishwasher
      Jenn-Air
      JDB4950AWK
      Dishwasher
      Jenn-Air
      JDB4950AWP
      Dishwasher
      Jenn-Air
      JDB4950AWR
      Dishwasher
      Jenn-Air
      JDB4950AWU
      Dishwasher
      Jenn-Air
      JDB5900AWA
      Dishwasher
      Jenn-Air
      JDB5900AWB
      Dishwasher
      Jenn-Air
      JDB5900AWW
      Dishwasher
      Jenn-Air
      JDB6900AWA
      Dishwasher
      Jenn-Air
      JDB6900AWB
      Dishwasher
      Jenn-Air
      JDB6900AWW
      Dishwasher
      Maytag
      MDB3000AWX
      Dishwasher
      Maytag
      MDB4000AWA
      Dishwasher
      Maytag
      MDB4000AWB
      Dishwasher
      Maytag
      MDB4000AWW
      Dishwasher
      Maytag
      MDB4000AWX
      Dishwasher
      Maytag
      MDB4010AWA
      Dishwasher
      Maytag
      MDB4010AWB
      Dishwasher
      Maytag
      MDB4010AWW
      Dishwasher
      Maytag
      MDB4030AWA
      Dishwasher
      Maytag
      MDB4030AWB
      Dishwasher
      Maytag
      MDB4030AWW
      Dishwasher
      Maytag
      MDB4040AWA
      Dishwasher
      Maytag
      MDB4040AWB
      Dishwasher
      Maytag
      MDB4040AWW
      Dishwasher
      Maytag
      MDB4040AWX
      Dishwasher
      Maytag
      MDB4050AWA
      Dishwasher
      Maytag
      MDB4050AWB
      Dishwasher
      Maytag
      MDB4050AWW
      Dishwasher

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