4A-GZE MK1 Engine Replacing A/C compressor [Archive] - Toyota MR2 Message Board

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I am refreshing my entire A/C system. I bought a new (refurbished) compressor, oil, expansion valve, drier, and O-rings. I originally thought this was going to be a fairly straight forward job, however... When all the parts arrived I noticed that the bag of O-Rings had like 20-30 pieces of varying sizes. So my question to anyone who has done this type of work before is... Does this kit have extra rings or are there a bunch of rings other than the ones on the compressor & drier that