Need a replacement compressor for MSR-49MN refrigerator. What models will work?
Old compressor was removed prior to me getting the refrigerator. Don't know what to replace it with. Specs call for 1/3 h.p. Who makes a good economical compressor that will work in this unit?
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Well it is important to know if the compressor is good or not. Take the access panel off the lower rear and see if the compressor is running. U can feel it vibrate. If it is running, then you can have it serviced if you like the unit. A compressor is expensive and not practicle on an older unit.
It would be advantageous to have both sets of information at your disposal when purchasing another compressor....however.....what are you going to do after you purchase it ? You have to posess the tools and have the ability to properly contain the refrigerant prior to compressor removal, properly remove and replace the compressor, evacuate the system of all contaminents and reinstall or replace the refrigerant.
So I assume your question was in reference to what information to have on hand when asking a qualified HVAC service tech (contractor) for a replacement cost.
have dealership discharge airconditioning system.you need to disconnect refrigerant lines going to the AC compressor you probably need refrigerant lines disconnect tools to remove disconnect refrigerant lines.you need to remove drive belt.and safely raise support vechicle remove tire or wheel work from under vechicle you have to loosen AC COMPRESSOR bolts then remove AC COMPRESSOR.be sure pour old refrigerant in a measuring cup so you can pour same amount new oil in the new compressor.add couple ounces if old AC COMPRESSOR dry.
Shut off the fridge for few hours and check the starter in the compressor which is having a fault. If your compressor is not running well then you will have to see if the starter is heating. If so replace the starter so that the compressor gets better current. You will need help to check the pressure of the gas and the pumping pressure of the compressor. The starter will click and start immediately to run the compressor. If the fridge does not cool the fault will be with the gas pressure or compressor. If not check your defrosting circuit, the timer and the thermostat. SO check this out. Good day
1. Make sure the vehicle is off with key removed.
2. You need to evacuate the refrigerant with a refrigerant recovery system.
3. Remove the ribbed belt.
4. Remove the noise insulation beneath the engine.
5. Remove the bolts (1) from A/C compressor and disconnect refrigerant lines.
6. Remove hex screws (2) and remove the compressor.
Reinstall in reverse order making sure the bushings (3) are seated. Make sure your new compressor is filled with regrigerant oil prior to install and you do not start the car prior to filling it back up with regrigerant. Turn the ribbed belt pulley of A/C compressor 10 rotations by hand before starting the engine.
I had the same problem with my msd2756ae. We had been using the blow dryer, removing the rear panel in the freezer section, etc.
We replaced the adaptive defrost control board. Solved our problem. It's an easy replacement, located in the refrigerator section, top right---behind the temp. control slide. The hardest part is removing the top panel that holds the temperature slide. Then it's "pull and replace".
Did you clean the condenser? Is the unit FULLY defrosted? Defrost fully!!!!!!
Did he check the amount of gas in the unit? If your unit has low gas...it is in need of more. R12 is expensive.
Check gas level: Shut unit for at least one hour. View compressor. Several pipes...we're looking at the largest. Start the unit. This pipe will begin to frost. If it does not clear to dry, ice or wet...stays frosted...it is low. Get the repair guy back ... but ask how much he'll charge first.
It will rattle slightly, this is normal. The ones that are burned out will sound like they have gravel in them, you can defininely tell something is wrong.
The problem with diagnosing Kenmore fridges with this problem is that there are different manufacturers. Yours is built by Frigidaire and probably has a Tecumseh compressor. We find more failed compressors with the Tecumsehs than we do with the models that have Embraco compressors. The models with Embraco's generally have more relay failures.
You should not hear the buzz/hum at startup. You will need to replace the compressor, which will be replaced at no charge to you if it is less than 5 yrs old.
If it is older than 5 yrs, you can have it replaced, but it will be almost as expensive as a new fridge. You can buy an aftermarket start device called a 3-in-1. This has a start capacitor built in to give it a little more boost on start up. I don't recommend using them unless it is a short term fix until the compressor can be replaced or if it is out of warranty and there is nothing to lose anyway.
Thanks/Mike
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