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Model No. MRT15CRBWO Refrigerant- R12 Mfd 02-94 Serial No. BA40807070 charge: 5.00 oz 142 gm the freezer department is not working. Fridge works OK

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Check that there is not a frost build up in the freezer compartment if there is it narrows it down to the defrost timer defrost thermostat or the defrost heater

Posted on Aug 05, 2008

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Posted on Jan 02, 2017

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How much freon does a 2002 Chevy Tahoe take with a 4.8 v8.The system has already been evacuated and is ready to be recharged.


Should have a sticker on the radiator core support that shows how much it takes . But if your's is missing here

Refrigerant System Capacities
Application
Specification
Metric
English
PAG Oil GM P/N 12378526 for United States
PAG Oil GM P/N 88900060 for Canada
Accumulator Replacement
-ml*
- oz*
* Add 60 ml (2 oz.) of PAG oil, plus the equal amount of oil drained from the accumulator.
Compressor Replacement
60 ml
2 oz
Condenser Replacement
30 ml
1 oz
The Delphi replacement compressor is precharged without PAG oil.
The Denso replacement compressor is precharged with 237 ml (8.0 oz) of PAG oil.
Evaporator Replacement
90 ml
3 oz
Evaporator, Rear Replacement
90 ml
3 oz
If more than the specified amount of PAG oil was drained from a component, add the equal amount of oil drained.
Total System PAG Oil Capacity
240 ml
8 oz
Total System PAG Oil Capacity with Rear A/C
330 ml
11 oz
R-134a
Refrigerant Charge
0.8 kg
1.8 lb
Refrigerant Charge Utility with Front and Rear A/C
1.2 kg
2.7 lb
Refrigerant Charge Suburban with Front and Rear A/C
1.4 kg
3.0 lb

Mar 15, 2017 | 2002 Chevrolet Tahoe

2 Answers

I had it recharged to 4.8 oz


OK, so you had it recharged to 4.8 oz.
Now, what happened next?

Jun 29, 2015 | Whirlpool EV250NXT Upright Freezer

5 Answers

How do I convert from r12 to 134a cooling refrigerant in a 1992 Buick Lesabre?


I think you can still find the old R12 at a premium price. It would be worth it if your air con system holds well with no significant leaks. Genuine 12 Refrigerant LARGE SIZE 2 14 oz Cans
The old refrigerant and oil are not compatible with the new stuff. The expansion valve is questionable, may or may not work properly. The oil in the compressor, in the evaporator, in the condensor, and in the accumulator/filter/dryer need be removed thuroughly. New service port adapters are installed. Then the new R134 can be introduced. You may find a conversion kit with instructions.
I recall a bulletin calling for replacing the oil and reusing the refrigerant, repeatedly, 2-3X, the final oil replacement gets the new refrigerant.
When ever the system is exposed to the atmosphere, it should be evacuated before refilling. So much to think about and consider.

May 26, 2015 | 1992 Buick LeSabre

1 Answer

There is a line with with wrappin on back of ref that is frezzing over wht is wrong


Hi,

That is typically a sign of a problem with the heat exchange, specifically the suction line and capillary line have separated OR...the system has been worked on recently and been over-charged with refrigerant.

Answer me these questions...

Is it frosting up close to the compressor ? Where it comes out the back wall at the top back corner only ? Or the entire line all the way down to the compressor ?

Has this fridge had any system work performed on it recently or has anyone "topped it up" with refrigerant ?

What are the temperatures in the fridge ? Are you capable of gauging/measuring system pressures ?

Finally, how old is this fridge and do you know if it contains R12 or R134A ? ...if it`s old enough for R502, forget it ha ha !

I`ll watch for your reply.

macmarkus :)

Jun 22, 2010 | Kenmore 64802 Top Freezer Refrigerator

1 Answer

How do I tell the year an Admiral refrigerator was built?


Most older refrigerators will have the Date Of Manufacture stamped on the model number tag. Most newer models after 1990 will not have the DOM.

If no DOM is present, you can tell if your refrigerator or freezer is made before or after 1995, IF you still have the model number tag. This tag always has the model and serial number, as well as some technical information, including the refrigerant type used in the system. Models made before 1995 will use refrigerant 12, or R12, models 1995 and after will use refrigerant 134A or R134A.

Mar 28, 2010 | Refrigerators

3 Answers

What should refrigerant gauges read when charging walk in freezer?


Depends on what kind of refrigerant its works, if is an old unit probably is charged with R12 or R22 newer ones work with R404 ;for R12 presures should be around 20psi on the low side and 160 on the high side ,for R22 about 60 and 250 and for R404 50 and 350 ;you have to look at the condensing unit tag to find out what type of freon its uses ,or look at the expansion valve at the evaporator coil.

Jul 31, 2009 | Everest Refrigeration Freezers

1 Answer

I have a GE model# GSH25JFXJ that I have had for around 3 months and have only been able to use it for a total of about a week. The freezer works ok but the fridge side keeps getting warmer even all the...


1. If you are cutting the system open, like installing a new compressor, repairing a leak, or install a new filter drier, yes, the system would be pumped into a vacuum, but just to add refrigerant, no you can add some without pumping the system into a vacuum.
2. If the freezer side works, the sealed system should be fine. On most refrigerators, all the cooling takes place in the freezer, and the fan in the freezer blows some of that air into the refrigerator section to cool it. It sounds as if you have an air flow issue. I would check the air dampner at the very top back left side of the refrigerator section to see if it is stuck in the closed position, preventing air from entering the fresh foods section. (air exits back out the bottom left back into the freezer compartment)
3. If this unit is indeed under one year old, call GE to request they dispatch a different service tech to assess the situatiion. Try 1-800-386-1215.
4. Oh, almost forgot. The proper factory charge of refrigerant in the system is listed on the model / serial number tag. It will be listed as something like 3.2 or 4.15 Oz (or similar amount) of R-134A. Once extra refrigerant is added or removed, the only way to get an acurate charge is to evacuate the entire system (into a vacuum) and re-charge it with the exact amount of refrigerant.

Jul 25, 2009 | GE GSS25JFM Side by Side Refrigerator

2 Answers

I have a upright deep freezer modrl u13w/p60335-7w .i lost r12 so i would like to fiil it up so need alocation of the filing point as well as i would like to know that can i fill R134a.also i would like to...


DO NOT PUT 134 IN IT. If it was an original R-12 system, 134 will not work. Most all domestic refrigeration systems are sealed and have no service ports for attaching hoses for service and charging purposes. You need to find the I.D. tag. It should have all the specs on it, including how much refrigerant goes into the system. You may be able to get R-12 from an auto parts place. I've heard rumor that automotive R-12 is of lesser quality than refrigeration grade but I've found no proof. Just rumor.

Good Luck

Feb 22, 2009 | Whirlpool Freezers

1 Answer

Maytag mbb2256gew Is 50oz. r134-a the correct charge?


r134 pressures are similiar to r12. charge to about zero pressure on the return line

Jul 06, 2008 | Maytag Atlantis MAV6000 Top Load Washer

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