Dumping oil out to measure for correct amount
Don't mess with system talk it to some one that dose this you can't do it your self off the shelve at an auto parts store
I use 2 ounces in the compressor and 4 ounces in the driers when I install new units there should be a total of 6 to 8 ounces in the entire system and no more. New compressors are assembled with some oil to test them so even ones with the dry warning stickers have about a ounce in them.
SOURCE: need to know amount of
The oil capacity for a 2003 Cavalier with filter change is 4 quarts. In some cases the dipstick may read a little low, In that case then add 1 pint more.
The filter number is:
AC Delco: #PF47, (Original Equipment)
Fram: #PH3387A
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SOURCE: need to bypass ac compressor on a1997 chevy lumina 3.1l
I doubt anyone knows that off the top of their head. You could run a string through the path you want the belt to take and measure how much string it takes. This will give you an approximate length for the belt -- most parts stores could find one close to that size.
SOURCE: AC system's lubrication amount?
The oil spec is PAG 150--68.00 ounces. General Motors issues Bulletin # 02-01-39-004B replacing PAG 150 oil with a lower viscocity oil. Thus, now indicates PAG 46 (P46D) oil for those vehicles.
There is a high pressure side and low pressure side to the system. The high vapor=compressor to the condensor. Low side vapor=compressor to evaporator. Your system will use R134a freon.
The A/C is a sealed system and when the compressor fails it circulates debris throughout the A/C system and contaminates it. Before replacing the compressor several other A/C parts have to be checked or changed.
Typically, the condenser should be flushed to remove any debris or contaminated compressor oil. Use approved flushing agents (aresol or liquid pour types), that evaporate quickly and don't leave any residue in the system. You will also need access to 'DRY' compressed air or nitrogen to push the flush through the system. Nitrogen (an inert gas), is best because it doesn't introduce moisture into the system. You need to do this a couple of times.
Accumulator or receiver drier should be replaced when you are replacing your A/C compressor. If don't replace your accumulator or drier you will probably void your compressor warranty. It's virtually mandintory to replace the orifice tube or expansion valve. The openings are usually about .050" and are quickly plugged. Be sure to clean all hose assemblies internally prior to installing your new compressor. Not doing this could contaminate your new compressor. Flush both ways until the flush agent exiting is clean, you will need to remove the hose assemblies to do this.
After you have cleaned, inspected and replaced all the parts, you connect the vacuum pump and remove the air from the system. Make sure it holds pressure. Then recharge the system with the proper freon and oil to the system specified levels.
No matter why you are replacing the A/C compressor there is a lot of other related work that has to be completed before you install the new compressor. Hope this helps, good luck.
SOURCE: Where is the oil sending unit located on a 2003 Chevy Tahoe 5.3 engine
its in the block behind intake manifold .
SOURCE: amount of R134A refrigerant and compressor oil to use in system?
Sticker should be right on top of compressor...Don't use anything with sealer in it. I don't recommend doing anything else but perhaps a squirt into a known good slightly low system without complete equipment and training or it can cost more in the end than having it done for you.
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