1972 Duster Build with my Daughter

RV2 AC compressor, simple, reliable, easy to rebuild, power hogs and bloody heavy. Lets rebuild one...

Here are the parts I used....

1960-1976 Dodge Parts | MD646747 | 1961-76 Mopar Rv2 AC Compressor Shaft Seals | Classic Industries

1960-1976 Dodge Parts | MD646748 | 1961-76 Mopar Rv2 AC Compressor Gasket Set | Classic Industries

I already pulled it apart but assembly is the opposite of disassembly... I clean it out with Acetone and blow it out. Then flush and blow it out with Southern Polyurethanes 700 Wax and Grease remover. Water based and leaves no residue. When your are blowing it out do NOT hit the reed valves hard and damage them and do NOT spin the ball bearing with it, especially if you have used the cleaner to remove the old oil....

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This one has no damage to the walls and you can still the the hone hatch marks. The reeds were not rusted and in good shape. Perfect rebuild candidate.

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Cylinder head and valve plate. This is exactly what your air compressor looks like :)

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Oil pump is super simple. Make sure you retain the orientation of all the parts. They have worn in that way so make sure they remain that way.

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Here is the 134a compatible seal I bought from Classic Industries. The one for the Coronet was of a different design and way more confusing. This one is the same design as the original.

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Here is the old one to compare.

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First polish up the shaft where the seal rides with 1500 grit paper. Try to get any evidence of the old seal line off the shaft.

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About as good I could do.

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Lots of debate between Ester and PAG. I used Ester in the Coronet an a SAE paper I read showed there is a slight cooling advantage with Ester. I get the type with the dye in it to look for leaks later.

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This is the micro polished surface the seal rides on. An o-ring is around the outside and it slips into the housing. You can put it in backwards so look for the highly polished surface to go toward the seal.

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