How to replace pump on hotpoint dwf61 dishwasher

[Fixitnow]

The pump still works but the bearings make a wonderful noise when emptying. I have cleaned out the filter and removed the plate, secured by the screw,in the base of the sump and it still makes a noise.
So I have purchased a spare pump and turned the dishwasher over to take the bottom off and found its solid plastic! Anybody know how I get into the machine to replace the pump?
Thank you in advance.

 

[rocks1]

Total strip down the door wiring and tub has to come out , not a nice job to do.

 

[Fixitnow]

Where do you start with a total strip own?

 

[rocks1]

Remove the lid , side panels , door inner and outer then unscrew the. Salt pot spray arms and then tub comes out good luck.

 

[Fixitnow]

Thank you for that. How long is that likely to take? The machine is about 10 years old so I might think about a new one.

 

[rocks1]

I have only done 2 in 20 years and about 1 1/2 for me. I would say depending on your ability poss 4 to 6 hrs. Is it making a crunching noise in drain it might disappear after a few washes.