Question about 1991 Chevrolet Silverado 2500

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1991 C/K, 5.7, AC r134a conv. charge capacity? lb/oz?

1991 C/K, 5.7, AC r134a conv. charge cap?

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  • dlhop80 Jun 23, 2009

    3 lbs is the amount I used, blows ice, in Phx AZ. just was concerned may have passed the 85% of orig. r-12

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  • Chevrolet Master
  • 3,433 Answers

3 lbs.

Posted on Jun 23, 2009

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1 Answer

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

How many grams of r134a will it take as it has no plate with the info


Usually it will take 2 or 3 cans of 134a to charge a typical American car's or light truck's a/c system.

There are about 454 grams per lb. of matter and each can is about 12 oz. (not 16 oz. = 1 lb.).

3 cans would be 3 cans x 12 oz. = 36 oz. or about 2 lbs. 4 oz.

If you round down to 2 lbs., then the grams is about 454+454 which is about 900 grams rounded down.

You could find the grams per ounce and multiply by 36.

454 /16 = 28.375

and 28.375*36=1021 grams for 3 12 oz. cans of refrigerant.


Jul 04, 2010 | 2000 Ford Ranger SuperCab

2 Answers

I want to recharge my air conditioning in a 1991 cadillac deville


Here's what you do.

Get an R134a recharge kit or R134a recharge hose (with an optional gauge) that has the adapters to put on to the low side port located near the firewall on the passenger side.

If the system is down already, the computer may have disabled the compressor.

To reenable the compressor, disconnect the battery for a few minutes and reconnect.

Charge the system with about 2 or 3 11 oz. or so cans of R134a while the car is running and the temperature is set to the lowest (say 60 deg. F).

If your recharge hose has a gauge on it, the right pressure should be in the green area ranging from 25 psi to 45 psi on the low side when the compressor is running.


Jun 10, 2010 | 1991 Cadillac DeVille

1 Answer

How many pounds of freon does a 1993 Saturn SL2 hold?


The R12 spec on the Saturn Threw 93, capacity R-12 2.1 to 2.25 lbs.

On the 94 -98 S-series cars; per the Haynes A/C manual these systems should take 6.5 oz of Ester oil and 24 oz of r134a refrigerant.

The amount of refrigerant required is printed on a label in the engine area. I think its 1.5lbs or 24ozs or two 12oz (net wgt) cans if your system is the R134a.

Thank you for using fixya and just make sure that your have the right system in your Saturn, it's going to be R12 from 1993 and earlier and 1994 will be R134a. Note: at if your not the original owner, your system may have been converted to the R134a.

Here is a link for you that should help you.

http://www.saturnfans.com/forums/showthread.php?t=80107

Apr 16, 2010 | 1993 Saturn SL2

1 Answer

What is the Air Conditioning system oil charge. Type and oz. 1999 suburban, dual air 4x4 5.7


it a lubricant for your ac compressor that lubricates the ac system, it comes in 2 to 10 oz cans witch you in install the same way as R134a refrigerant same hose and input. i hope this helps you let me no.

Aug 02, 2009 | 1999 GMC Suburban

1 Answer

I am needing to know how many cans of freon are required after replacing all ac parts to recharge ac?


Hello robinjones_m: My name is Roger and I will answer your question. Your truck should hold 2 lbs. of R134A freon. That equals to 32 oz. of charge. If all components were changed be sure to add 8 oz. of A/C oil. Should you need any further help please just ask. Please rate the quality of your answer as this is how we know you received the correct answer to your question. THank You for using Fix Ya.Roger

Jul 07, 2009 | 1998 Chevrolet C1500

1 Answer

Ac pump oil


3 to 6 ozs of oil for pag oil or oil that will work for r134a.

Jun 17, 2009 | 1993 Nissan Quest

1 Answer

AC stopped working


Try disconnecting the battery for a minute or so and reconnect it. Believe it or not this has worked for me numerous times. If this doesn't work then disconnect the switch on the accumulator. The accumulator is located in the low side (big) hose near the firewall on the passenger side of truck. Using a paperclip jump the two wires (harness side) together with engine running and a/c on. If compressor kicks on when jumped either it's low on freon or the switch is bad. Hope this is helpful.

May 21, 2009 | 1991 Chevrolet C1500

2 Answers

1992 fire bird Ac help?


you need to have your system evacuated ac a service center i wont pay more than $5o for that cause u got r12 in there n u cant buy that anymore then u need r134a fittings to go on urs napa has the good ones i wold charge yourself case theyll charge $70 dollars a lb for r134a that u can 4 $7

Jun 07, 2008 | 1992 Pontiac Firebird

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