Why can't I find parts for a ge ptan9455mgg top load washer

It is likely linked to a faulty water inlet valve that is located behind the control panel.

Will look something like this

Water Inlet Valve WH13X10017

please the causes and remedies: God bless you
f your Top Load Washer Has No Water Entering Check The Following

Water Inlet Valve
First check the hoses that connect to the water inlet valve. Remove these completely there should be a screen in at least one end and maybe both ends. Clean these screens. Next check the back of the water inlet valve screens and remove and clean. If cleaning these out does not correct the problem you will need to check to make sure you have power going to the water inlet valve. Most top loaders will have 120 volts going to the valve. Check each solenoid on the valve. You will need to have the washer on and turned to a fill cycle when checking. If you have power and still no water replace the water inlet valve. No power replace the control.

Control / Timer
This is less likely the problem but can fail. If you have no power going to the water inlet valve when selecting a fill cycle the timer/ control has failed and you will need to replace the timer.

if you have to shut off the water supply valve of the residence (water keeps flowing after turning off the washing machine or unplugging the washer), the failed component is definitely a stuck open water inlet valve (fill valve) of the appliance. If the water stopped by pushing the timer or unplugging the machine, another internal electrical control related problem exists, such as a faulty timer assembly or controller board, or a pressure system failure (water level detection/monitoring system) - failed pressure switch (rare), clogged air hose or tub air dome (common in GE top-load washers), disconnected air hose (common in frigidaire top load washers & GE/Frigidaire/Kenmore stacked washer/dryer combo units).

While a simple repair can be done by yourself for a failed inlet valve, usually for $25-$50 in parts/shipping (go to searspartsdirect.com or appliancepartspros.com to look up a replacement fill-valve using your washing machine model number), the water damage potentially caused by the flooding is more important to address.

I recommend contacting your insurance company if there's a bunch of water that flooded your home - the water can cause delayed warping of flooring or cause mold to grow in/beneath your carpets and walls if the water was not immediately noticed and cleaned up (within first few minutes of flooding) - they send out water remediation specialists to dry (if possible), or to repair the damage to your home.

Sounds like the water inlet solenoid valve is stuck. if you have the model number I can look up the part number for you

The water level switch is working if the agitator starts. That must be a bad water valve.
Your basic GE top loader training manual



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Check the inlet valve hoses, even if inlet is at the back, the water may drip down and flow on the front part on the machine. There you also have the PUMP, a faulty pump may leak intermittently.
Here you get all diagrams and parts for your appliance.

If disconnecting power does not stop the water fill, replace the washer's inlet water valve. It is the part the fill hoses screw onto on the back of the machine.

IT'S EITHER THE TIMER OR THE WATER INLET VALVES NO LONGER ACTUATING OR THE WATER TEMPERATURE SWITCH. THE MOST OBVIOUS WOULD BE THE INLET VALVES.

You just have to replace the inlet valve, can do it yourself.

remove the top, the water lines from the house connect to the water inlet valve, you can see it near the top with the top off