Just had my AC Compressor replaced for a new one (Not OEM, and not sure what make). The original OEM one was leaking. Its a perfect fit and even came with the 4 OZ. of PAG Oil. The new compressor works well, but I noticed that it has a shrader valve in it. the original OEM one did not. What is that valve for? The garage that installed it also didn't know.

Thanks

Phil

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'95 E300 Diesel, 264,000 Miles. [Sold it]

Its for checking pressure. Some compressors have an extra valve so that the compressor can work on many different models.

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1981 300D 147k
1998 VW Jetta Tdi 320k
2001 Dodge Ram 2500 141k
1979 300D 234k (sold)
1984 300D "Astor" 262k(sold)
Mercedes How-To and Repair Pictorials
I love the smell of diesel smoke in my hair

makes sense. Thanks

Phil

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'95 E300 Diesel, 264,000 Miles. [Sold it]