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HBL5751UC (01) Bosch Microwave - Overview
Diagrams for HBL5751UC
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$6.40
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Front Rack Support
Part #00631439
This front rack support helps stabilize and securely position a rack within the appliance. Its sturdy design ensures proper alignment and safe support during loading and unloading.
$14.09
In Stock
DRIVE COUPLING
Part #00628013
This microwave turntable motor coupler connects the motor to the glass tray, ensuring smooth and even rotation for consistent cooking results. Designed for durability and precision, it replaces worn or damaged couplers that can cause the tray to wobble or stop turning. This part is essential for maintaining proper microwave performance an...Read mored even heating. Installation is quick and straightforward, requiring only basic tools.
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$6.40
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$13.43
In Stock
Microwave Switch
Part #00631512
This microwave microswitch functions as a door interlock safety component, preventing the appliance from operating when the door is open. It ensures safe and efficient performance by interrupting power to the microwave when the door is not securely closed. Built for durability, this part is essential for maintaining proper safety standard...Read mores. If your microwave fails to start or operates incorrectly, a faulty door switch may be the cause. Installation requires disconnecting the appliance from power before replacing the switch.
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$6.41
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Microwave Fuse
Part #00631510
This microwave line fuse is a genuine replacement part designed to protect your appliance from power surges and overheating. It helps restore power when a blown fuse prevents the microwave from turning on and is built to meet the original safety and performance standards. This small metal fuse is easy to replace and is commonly used when ...Read morea microwave suddenly stops working. Be sure to check your model number to ensure it’s the correct fit for your unit.
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$120.61
In Stock
Cooking Tray - Black
Part #00795449
This microwave turntable tray is a genuine replacement part designed to ensure consistent and even heating during cooking cycles. Made of durable black metal, it rotates smoothly on built-in rollers and sits securely on the coupler inside the microwave cavity. Its rotation helps distribute heat evenly across food surfaces, improving cooki...Read moreng performance. Compatible with select Bosch, Thermador, and Gaggenau microwave models, this OEM tray replaces previous versions and is engineered for a precise fit. For proper installation, refer to the microwave’s owner’s manual to ensure correct placement and alignment with the coupler and roller system.
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$7.20
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COVER
Part #00617090
This waveguide cover protects the interior of the microwave by shielding key components from food splatter and moisture. Made from durable mica material, it helps prevent sparking and keeps the appliance operating safely and efficiently. Designed to match the original fit on select models, it replaces a worn or damaged cover and installs easily once the microwave is disconnected from power.
$8.97
In Stock
SUPPORT
Part #00648813
This support is a replacement structural component designed to hold or stabilize internal assemblies during operation. It helps maintain alignment and durability and is commonly replaced when bent, cracked, or no longer providing adequate support.
$8.97
In Stock
SUPPORT
Part #00648812
The left door interlock support keeps the microwave’s door switch properly aligned so the appliance can detect when the door is fully closed and operate safely. If the switch becomes loose or misaligned, the microwave may fail to start or stop unexpectedly. This sturdy bracket is designed for select models and provides a reliable replacem...Read moreent when the original support is damaged or worn, restoring safe and consistent door-switch operation.
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$67.82
In Stock
SHELF
Part #00798845
This wire oven rack provides a stable, flat surface for baking, roasting, and cooking, ensuring even heat distribution throughout the process. Designed for durability and a precise fit, it helps organize cookware inside the oven and supports consistent performance for both standard and convection cooking. Perfect for replacing a worn or missing rack to keep your appliance functional and efficient.
$92.19
In Stock
Door Hinge - Right Side
Part #00631518
This right-hand microwave door hinge is engineered to support smooth door operation and maintain a secure seal, contributing to the safe and efficient performance of the appliance. It serves as the pivot point for the microwave door, allowing it to open and close reliably while ensuring the unit does not operate when the door is ajar. Pro...Read moreper hinge function is essential for maintaining microwave shielding and preventing radiation leaks. Installation should be performed by a qualified service technician to ensure safety standards are met and internal shielding is correctly tested. This genuine replacement part restores original functionality and helps maintain the integrity of the microwave’s safety mechanisms.
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$6.41
In Stock
LAMP
Part #00623710
Common Symptoms of the HBL5751UC
How this model fails, and the parts that fix it.
Won’t turn on
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Tray won’t turn
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Door not closing properly
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Sparking
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Little to no heat when baking
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Noisy
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Element will not heat
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No heat
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See how others fixed this model. Time, tools, difficulty, and steps that lead to victory!
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Search repair tips from other customers using simple keywords like "replace", "fit", "remove", "inspect". DIY doesn't mean you have to do it alone!
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Right hinge failed - return spring broken
20 of 22 people
found this instruction helpful.
I installed a new right hinge (PartSelect part number PS10060784), since the integrated return spring failed.
To remove the door, I made two of the special tools required in the Bosch repair manual. I fabricated two square pieces of aluminum, about 30mm on a side and ¼” thick. With the door open (it is horizontal) you place one squ ... Read more are in each of the cavities that the hinges close into and close the door far enough that the squares take up the force of the springs and allow you to lift the door out. Of course, if one spring is broken, you will not need a square on that side to remove the door but will need it later to install the door with the new hinge. In fact, I installed the square in the replacement hinge before I installed the hinge in the door.
Next remove the ventilation duct (Part number PS8770410). There are three screws. When re-installing the duct later, do not overtighten the screws, because they can pull through the duct. This will require longer screws and small flat washers to repair (‘don’t ask me how I know’).
The next step is to remove the plastic cover (PartSelect part number PS11705124). It will be impossible to save the plastic cover (‘don’t ask me how I know’). Purchase a new one ahead of time. It will be easier to not scratch the door if you recognize that you are going to destroy the cover.
When removing the plastic cover, pieces of some of the tabs that hold the cover in place will break off. The broken-off pieces of the tabs that fit into cavities at the top of the door may remain in the cavities. IF YOU DO NOT PICK OUT THOSE PIECES, THE NEW COVER WILL NOT SNAP HOME DUE TO THE PRESENCE OF THE BROKEN PIECES. You will break the new cover in removing it to figure out why it wouldn’t snap home and will have the pleasure of purchasing a second new cover (‘don’t ask me now I know’).
Also, when removing the cover try not to bend the metal fingers of the frame (part number PS8770415), particularly along the top of the door. It is important that the gap between the metal fingers and the frame holding the glass be correct, since that is where the seal (part number PS10061106) must fit when replacing the cover. On the other hand, if the metal fingers are bent too far away from the frame holding the glass, the cover will not line up with the cavities along the top where the tabs go home. It will be easier to protect the metal fingers if you recognize that you will be destroying the cover when you remove it.
I did pinch and damage the seal when trying to force the first new cover in place (it didn’t go home, as described above), and had the pleasure of purchasing another seal (currently unavailable). You only get one chance per cover.
Once the cover is removed the frame can be removed from the outer door by removing the screws holding the two parts together.
Next, replace the spring.
Next re-attach the frame to the outer door.
Next, be sure the seal is positioned correctly on the cover. The seal has a flap that holds it in place on the cover, such that the seal will be pulled into place when installing the cover. This is essential, since you will not be able to reposition the seal once the cover snaps home (particularly along the top of the door).
Now, carefully position the cover so that it is going to remain parallel with the door when you push it home. You do not want the cover to be cocked, since the seal may not install correctly. Be sure all the tabs are falling into place as you install the cover. Hopefully, the tabs will all snap into place and the seal will stay in place.
Replace the door by feeding the hinges into place with the squares still installed. Open the door fully and remove the squares. The door will close correctly if the hinges are placed correctly. This may take several tries.
Finally, microwave yourself a fresh cup of coffee or other beverage.
This door is not meant to be repaired, in my opinion. I believe Bosch offers only the option of buying a new door. A DIY repair is not risk free.
To remove the door, I made two of the special tools required in the Bosch repair manual. I fabricated two square pieces of aluminum, about 30mm on a side and ¼” thick. With the door open (it is horizontal) you place one squ ... Read more are in each of the cavities that the hinges close into and close the door far enough that the squares take up the force of the springs and allow you to lift the door out. Of course, if one spring is broken, you will not need a square on that side to remove the door but will need it later to install the door with the new hinge. In fact, I installed the square in the replacement hinge before I installed the hinge in the door.
Next remove the ventilation duct (Part number PS8770410). There are three screws. When re-installing the duct later, do not overtighten the screws, because they can pull through the duct. This will require longer screws and small flat washers to repair (‘don’t ask me how I know’).
The next step is to remove the plastic cover (PartSelect part number PS11705124). It will be impossible to save the plastic cover (‘don’t ask me how I know’). Purchase a new one ahead of time. It will be easier to not scratch the door if you recognize that you are going to destroy the cover.
When removing the plastic cover, pieces of some of the tabs that hold the cover in place will break off. The broken-off pieces of the tabs that fit into cavities at the top of the door may remain in the cavities. IF YOU DO NOT PICK OUT THOSE PIECES, THE NEW COVER WILL NOT SNAP HOME DUE TO THE PRESENCE OF THE BROKEN PIECES. You will break the new cover in removing it to figure out why it wouldn’t snap home and will have the pleasure of purchasing a second new cover (‘don’t ask me now I know’).
Also, when removing the cover try not to bend the metal fingers of the frame (part number PS8770415), particularly along the top of the door. It is important that the gap between the metal fingers and the frame holding the glass be correct, since that is where the seal (part number PS10061106) must fit when replacing the cover. On the other hand, if the metal fingers are bent too far away from the frame holding the glass, the cover will not line up with the cavities along the top where the tabs go home. It will be easier to protect the metal fingers if you recognize that you will be destroying the cover when you remove it.
I did pinch and damage the seal when trying to force the first new cover in place (it didn’t go home, as described above), and had the pleasure of purchasing another seal (currently unavailable). You only get one chance per cover.
Once the cover is removed the frame can be removed from the outer door by removing the screws holding the two parts together.
Next, replace the spring.
Next re-attach the frame to the outer door.
Next, be sure the seal is positioned correctly on the cover. The seal has a flap that holds it in place on the cover, such that the seal will be pulled into place when installing the cover. This is essential, since you will not be able to reposition the seal once the cover snaps home (particularly along the top of the door).
Now, carefully position the cover so that it is going to remain parallel with the door when you push it home. You do not want the cover to be cocked, since the seal may not install correctly. Be sure all the tabs are falling into place as you install the cover. Hopefully, the tabs will all snap into place and the seal will stay in place.
Replace the door by feeding the hinges into place with the squares still installed. Open the door fully and remove the squares. The door will close correctly if the hinges are placed correctly. This may take several tries.
Finally, microwave yourself a fresh cup of coffee or other beverage.
This door is not meant to be repaired, in my opinion. I believe Bosch offers only the option of buying a new door. A DIY repair is not risk free.
Read less
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