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MC8991XT0 Whirlpool Microwave - Overview

Sections of the MC8991XT0

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Light Bulb - 120V 25W – Part Number: WPA3073101
Light Bulb - 120V 25W
★★★★★
★★★★★
(10)
PartSelect #: PS11747806
Manufacturer #: WPA3073101
This light bulb is a 120 volt, 25 watt incandescent appliance light bulb with a small base screw-in that fits in a variety of appliances such as microwaves, refrigerators, freezers, cooktops, or stove...
$5.69
  In Stock
Order now and your part arrives by May 16
Door Interlock Switch Kit – Part Number: 4392027
Door Interlock Switch Kit
★★★★★
★★★★★
(3)
PartSelect #: PS373050
Manufacturer #: 4392027
This part is a genuine manufacturer door interlock switch kit, also known as primary micro switch or microwave switch kit, for a microwave. The function of this part is to sense when the door of the m...
$89.70
  In Stock
Order now and your part arrives by May 16
Range Thermal Fuse – Part Number: WP3188286
Range Thermal Fuse
★★★★★
★★★★★
(1)
PartSelect #: PS11740879
Manufacturer #: WP3188286
When the fuse trips due to a malfunction in the oven this part will trip and shut down your oven controller. It is usually located behind your control panel.
$53.20
  Special Order
Capacitor – Part Number: 59001160
Capacitor
PartSelect #: PS2055682
Manufacturer #: 59001160
  No Longer Available
Magnetron – Part Number: WP4392009
Magnetron
PartSelect #: PS11742509
Manufacturer #: WP4392009
This part is used to generate microwave energy/heat.
  No Longer Available
Paint Touchcup – Part Number: WP261869
Paint Touchcup
PartSelect #: PS11740572
Manufacturer #: WP261869
$22.52
  Special Order
Range Touch-Up Paint – Part Number: 261900
Range Touch-Up Paint
PartSelect #: PS334005
Manufacturer #: 261900
$57.38
  Special Order
Sealer – Part Number: WP482338
Sealer
PartSelect #: PS11742688
Manufacturer #: WP482338
This 3 oz. silicone sealant is designed to form a strong, watertight bond between appliance components. It's commonly used to repair or reinforce seals that have begun to fail due to age, heat, or wea...
$47.40
  In Stock
Order now and your part arrives by May 16
LATCH-DOOR – Part Number: 4312901
LATCH-DOOR
PartSelect #: PS357931
Manufacturer #: 4312901
  No Longer Available
WIRE – Part Number: 242827
WIRE
PartSelect #: PS333506
Manufacturer #: 242827
  No Longer Available
SWITCH – Part Number: 4312819
SWITCH
PartSelect #: PS357886
Manufacturer #: 4312819
  No Longer Available
LEVER-SWTH – Part Number: 4312878
LEVER-SWTH
PartSelect #: PS357917
Manufacturer #: 4312878
  No Longer Available

Manuals & Care Guides for MC8991XT0

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Questions And Answers for MC8991XT0

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Common Symptoms of the MC8991XT0

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Won’t turn on
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Element will not heat
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Doesn’t shut off
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No heat
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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
Microwave worked intermittently depending on how door was closed
Remove top grille (2 screws), undo control panel (1 screw). Tilt down control panel, switches are on the left. There are actually three switches that are involved with the door, two horizontally mounted, one vertically mounted. This would be an EASY REPAIR, but it took me a while to figure out which of the three switches was bad, and also took a while to figure out that there is a plastic rod that inserts through the hole in the switch body. Once i figured this out went like a breeze. Lower horizontal switch was the bad one, but since the kit came with two switches i went ahead and replaced the upper horizontal one as well. IT appears that the horizontal switches are probably more likely to fail than the vertical switch based on the position of the switch and force angles. Works great now!
Parts Used:
Door Interlock Switch Kit
  • Robert from Bainbridge Island, WA
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Pliers, Screw drivers
67 of 85 people found this instruction helpful.
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Close the door on the microwave, punch in the # nothing happened
I removed the unit from the wall. Took the cover off. Set the unit on its side. It revealed the working parts. Removed the old micro switches. Put in the new oness. Presto, it worked. Very easy for me.
The parts was delivered almost before my notice they were shipped.
Parts Used:
Door Interlock Switch Kit
  • Robert S. from Stafford, TX
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
15 of 23 people found this instruction helpful.
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burnt out bulb
took cover off, installed bulb.
lost the owners manual,
part select's schematics were very helpful
thanks
Parts Used:
Light Bulb - 120V 25W
  • THOMAS from STOW, OH
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
27 of 63 people found this instruction helpful.
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