Maytag refrigerator Model MZD2766GEW

Maytag MZD2766GEW is a 2000 model that was manufactured until 2005. The serial put its manufacturing date around the middle of 2001 (the first 2 digits represent the month since the unit was first launched).
Yes. it's about time to cut your losses and accept that this fridge has had it's days , and now is time for a new one. Actually in the user manual they clearly state that the expected service life of your fridge is 8 years so it has worked beyond that.

Hi!!

Check
Temp. control knobs,

Small fan in freezer, it should start working after opening the freezer door for a couple of minutes. If it does not start, use a pen or pencil to turn the blades, if it kick in, replace motor.

Remove freezer back panel (where the little fan is) and check for iced evaporator coil, if so, unplug unit and use a heat gun or hair dryer to melt ice, make sure the air duct going to the fridge is clear.
Once this is done, restart unit

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you have a defrost problem, could be bad adaptive defrost board,t-stat heater,when you open freezer door listen for fan if fan is blowing check the t-stat,look at it and see if it has a buldge on it,sometime you can see this and tell it's bad,you'll need a meter to read out the heater and other parts to see whats bad,might be a good idea to call a tech to do this,when you find problem you have to melt everything out again

the gas maybe gone,check with you're supplier

freezer not defrosting. probably adaptive defrost board in fridge.
take panel off freezer (inside, back panel). if all frozen, can defrost with blow dryer. best to remove fridge control panel (inside, top of fidge). access adaptive defrost board, jump test to f1 (i think) next to test. this should initialize defrost mode. buy new board.

Mine is a different model, and less than three years old, but the vibrating noise was really annoying. I would shift the unit or the door slightly, and it would stop for a while, as you reported. I took a few minutes, applied pressure to different areas, up and down, inside and out. The noise was louder near the floor. I removed the plastic grill and applied upward pressure on the wires covering the coils - it was loose. I noticed an accumulation of dust, and vacuumed as far as I could reach around the underneath area; also pulled fridge out and vacuumed a dust-covered vent on the back near the floor. Was planning to insert some kind of wedge under the loose part, but when I put everything back in place, the vibration stopped - now I only hear a gentle hum. Seems I did something right in this process.

Check to see if you have frost on the back panel of your freezer in your fridge. If you do your coil is frozen over and you'll have to defrost your freezer. I just did mine cause mine wasn't cooling properly on my fridge side.

For odors in the refrigerator/freezer try baking soda or, for tougher odors, try Fridge Aid deodorizer, also available in the accessories section of our website. on  www.repairclinic.com

WE JUST HAD THAT SAME PROBLEM AND IT WAS THE DEFROST BOARD. $50.00 REPAIR...

Same issue with my 6 yr old Maytag side-by-side model #MSD2756GEW. Turned out it was caused by a faulty circuit board. This circuit board is located in the upper right fridge section. Apparently these boards are sensitive to power surges (which we have here in central Texas from time to time.) When the circuit board is fried, it makes a noise like a fan blade malfunctioning and it stops the auto defrost feature in the freezer from working. So the freezer ices up at the back, and the ice prevents the cold air from reaching the fridge section.

Our circuit board (which we thought was a fan) made ominous noises for a few months. (The noise would last only a minute or so and stop shortly after we opened a door). Eventually we noticed that the fridge wasn't as cold and the freezer had snow in it. Finally the board stopped making noise and about a week or so afterward we noticed that the milk had spoiled and the fridge wasn't very cold. The food in the freezer side pretty solidly frozen, thankfully.

In addition to replacing the circuit board, the fridge had to be de-iced or it would not work properly. I put it all frozen into a large camping cooler where it stayed for several hours. I opened the freezer doors and put table fan and pointed a hobby light which gets quite hot, at the back of the freezer. Within 3 hours, the ice had melted significantly so I could see through the grate at the back of the freezer. This really great technician named Tracy, made a special trip to the parts store to get the circuit board and came back within a couple hours, bringing with him a steamer. He removed the back panel inside the freezer section (the coils are behind there) and used the steamer to melt the rest of the ice before he left.

Tracey, who works for a local appliance repair company, told me that about 4 years ago, Maytag started making their fridges with built-in surge protection, so the circuit boards apparently don't get fried on the newer models as they do on my 6 yr old model. He recommended that we put plug the fridge into a heavy-duty surge protector - which we are definitely going to do.

TR