Having problems with your Bosch 24 in. SHX46A02 / SHX46A06 Built-in Dishwasher ?
The upper rack side rail is loose where it attaches to the side wall of the dishwasher. It allows the upper rack to wobble. When the dishwasher is turned on, the force of the water pushes the rack forward so it detaches from the water supply and the arm does not rotate.
The arm and connection are all clear and the arm is able to rotate, so those problems are not a factor. The wheels are in good condition.
The left rail is a little loose; the right one is very loose. There must be a way t
\015\012which shows your model and exactly how these rails fit into the machine. If your rack is wobbly it could be a loose screw or two or a worn side rail. If it is worn, the replacement part is about ten dollars and you can order from this same link. Find the screws that attach these rails to the sides and tighten the screws. That may be all it takes. Notice that you have to have the rail slid out inorder to see the screws. Joe
Welcome to FixYa.
The problem you're describing is a very unique and unusual one In my experience with Bosch...which spans quite some time.
Based on your description, ( provided the model is indeed a SHX46A02 ) is it possible the entire dishwasher may be leaning forward thus when the top rack is loaded and heavy it is moving forward slightly ?
As unlikely as that sounds it's worth a look because the rack rails/guides do not have any adjustments on them. I could send you a complete Bosch service manual for your machine if you provide an email address and you can see for yourself if you like.
You can remove the assembly to to where it attaches to the side wall by doing the following...
To remove the rail, disengage the end cap by applying outward pressure to the cap's top tab, unclipping it from the rail. Then slide the rail out from the guide rollers.
**The Upper Rack Guide Rollers are permanently attached to the Tank and cannot be removed or repaired.**
\015\012Let me know what you find and I'll try and help in any manner I can. I'll watch for your reply.
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