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Last 10 Posts (In reverse order)
smartmahabub Posted: Wednesday, December 25, 2019 11:54:42 PM(UTC)
Your two springs should be fastened together with a tie wrap because when they break, they almost always break the outer door's assy glass, which is more than $200 dollars to replace. I followed your instructions and successfully replaced both of my visitation springs. I would like to identify a serious safety issue with the door.
smartmahabub Posted: Tuesday, December 24, 2019 3:53:55 AM(UTC)
They said that they send me free because I have had a lot of problems with them and I was not able to slide the microwave to clear the vent. The left side was about an inch out but the right side didn't give much. I ended up forcing my screwdriver into the vent and turning it over a bit.
Enlight73 Posted: Thursday, January 12, 2017 11:30:22 AM(UTC)
Thanks for explaining steps and the pictures.
Mine is Kitchenaid Superba microwave on top and oven on the bottom.
Model number KEMS378GSS2.
The torsion springs are 4452398 for both left and right ones.

One suggestion for others: while you replace the springs, which is the most challenging, I removed the microwave glass window so that I can use 2 pliers without the fear of breaking the glass. Just remove the top aluminum tape, and the glass will slide upwards easily. Posted: Sunday, April 3, 2016 11:17:11 AM(UTC)
We followed the directions to the "t" - had to purchase a new plastic door frame. We found when we got the door apart it was cracked in two places. Everything went back together easily but when we got the door skin back on the right side is higher by a few centimeters. The screw holes that hold the door skin on are set and we are unable to adjust it at all. Anyone run into this?
ekraus Posted: Monday, May 25, 2015 9:54:28 AM(UTC)
I should have taken a video of this.
This is the second time the spring broke. It lasted about 3 years.
I replaced the right spring (number 4452396 RH SS models)
Th unit is a Kitchen Aid kbmc140hss03 free standing SS Microwave Convection combination oven.
Very simple Took me 20 Minutes to do.
Here are the steps to replace either spring.

1. Open the door. On the right and left side of the oven there are side trim pieces with retaining screws located 3/4 of the way down exposed when the door is open. Remove them push the trim down and pull out from the bottom.

2. Keep the door open and undo, 2 screws that hold the front door. [top portion of the door from inside.] Hold on to the door by the handle and pull it up and out. Caution if you don't hold it will fall to the floor.[pic 1 from evo]

3. Now remove the Vent from the bottom by removing the mounting screws on either side.

4. Once the skin and side trims are removed, it will expose a plastic shell. Raise the reaming door shell, but don't latch it. On the bottom of the door there are 2 U shaped clips, do not remove them. Locate the 2 screws that hold the plastic shell and remove them. Look up from below. [pic 7 from evo).

5. With the plastic shell removed, the torsion spring(s) are exposed can be replaced. If it is the right spring start threading it in on the right side first. Look at the left spring to see how it is installed The Left spring would be done oppositely.
I added the aluminum tape for safety shown in evo's last picture.

6. Reverse steps 50 to 1.
Your Done.

The Kitchen Aid Factory service tech said it would be $345 to replace the Right and Left springs. Only the right one was broken. He said they only came in a pair.
I told my wife to throw him out of the house. He then came back and said he could knock $50 off. I told her again to throw him out of the house.
Of course he wanted $95 to tell us that the spring was broken, And of course we told them that the right spring was broken when we made the service call. Long story short he got $0.
Got the spring on amazon and had it in 2 days.

Whirlpool 4452396 Microwave Door Torsion Spring

$27.53 + Tax Delivered

mp5marley Posted: Monday, December 15, 2014 8:25:40 PM(UTC)
I don't want to open it until I get the parts.. I can't tell which spring is broken. a small piece of the spring fell out and it has a red marker tip. Also, when I stick my fingers in the crevices, the right side spring jiggles and left does not. I am thinking it is the right spring? ALso, the right side is next to a wall, will i have any issues?
jyoder1 Posted: Tuesday, September 23, 2014 4:58:28 PM(UTC)
Successfully removed the micro door, ordered and recieved the RH spring and now I'm stuck. Micro / Oven is installed next to a wall and I cannot feed the RH spring into the hinge on the right side because the wall is in the way. Can I slide the microwave out to get a better angle at threading the spring into place?
hdt1234 Posted: Monday, March 17, 2014 6:25:54 PM(UTC)
how do i access the picture to assemble the torsion springs on my microwave
mercedesman1981 Posted: Sunday, March 2, 2014 12:42:42 PM(UTC)
A couple of points, first - to the one that wanted to use a mallet to install the spring, mallet not needed. The spring has to be torqued a bit to get it to fit. This can be done by hand.

The other point is there should be tension on the spring when installed, and you'll find more force holding the door in or up. There will also be a lot of resistance to opening the door without the Stainless cover in place - as one would expect.
mercedesman1981 Posted: Sunday, March 2, 2014 12:39:07 PM(UTC)
Evo, thanks for the pictures and your instructions. Just replaced my broken right hand torsion spring without issues. The only difficulty I ran into was pushing the microwave back into its space, the oven is heavy and there is a brace in the back, had to support the back of the oven to get it over the brace so it would slide back. I accomplished this was a long 1/2" breaker bar wedged onto the slider for the microwave on the right hand side.

The manufacturer was a little heavy handed with the sheet metal screws, my right side plastic bezel screw (the one underneath the door) was stripped and wouldn't tighten the plastic bezel. I replaced it with a coarse threaded sheet metal screw of about the same diameter and didn't overly tighten it.