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Old 10-12-2018, 02:32 AM   #11
Cusser
 
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I got an entire O-ring kit at Autozone, said it would fit my 2004 Frontier: MT2571, set of 30 green O-rings, like about 5 or 6 different sizes (still did not locate my stash of new refrigeration O-rings, sure it will turn up someday).

I was able to remove the old compressor through the top of the engine compartment, so I didn't have to remove the compressor brackets from the engine block itself.

I drained only about 2 oz. oil from my old compressor, maybe that's why it locked up (my Mazda B2200 compressor that seized a few years ago had only a few drops).

The new UAC CO10607C compressor from Rock Auto stated that it contained PAG 45 oil, so I drained that out. I added 2 oz. PAG-100 contain UV dye to the condenser and 4 oz. to the new compressor, added the rubber plugs and bolted those in. I used the new green O-rings for the high pressure connections to the condenser, one for the pressure switch that I swapped to the new condenser, and 2 different size ones for the compressor connections.

New condenser installed, photo #1

New compressor installed, photo #2; I flushed out the high pressure line with solvent and blew out the solvent.

I pulled good vacuum for 90 minutes, and vacuum held after disconnecting the pump, good, photo #3

Adding refrigerant, just over 25 oz.

Pressures at idle; forgot to measure at 1800 rpm. Photo #4

Good thing I had some photos of Mrs. Cusser to look at (photo #5), as this took most of the day. Just have to add the front plastic trim tomorrow. AC works, and is quiet too - good !!!
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2004 Frontier King Cab (2WD, 5-speed, 4-cylinder, 98.5K), 1998 Frontier regular cab (2WD, 5-speed, 4-cylinder 225K), 1988 Mazda B2200 (2WD, 5-speed, 4-cylinder, 214K), 1971 VW Convertible (140K), 2005 Yukon (180K), 1970 VW (260+K)
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Old 10-17-2018, 12:54 AM   #12
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I had the front grille off on my 2004 Frontier to replace the AC condenser last week, and I decided maybe that I should add some mesh to its grille openings.
Before, sorry didn't take head on picture (photo 1)

I used "hardware cloth" which is a steel mesh screen, 1/4 inch openings. I cut to fit, spray painted with black engine enamel, and used my Harbor Freight pneumatic staple gun to attach. This should provide some protection from flying stones without impeding air flow. (Photos 2 and 3)
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2004 Frontier King Cab (2WD, 5-speed, 4-cylinder, 98.5K), 1998 Frontier regular cab (2WD, 5-speed, 4-cylinder 225K), 1988 Mazda B2200 (2WD, 5-speed, 4-cylinder, 214K), 1971 VW Convertible (140K), 2005 Yukon (180K), 1970 VW (260+K)
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Old 10-17-2018, 01:10 PM   #13
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Note that there is an aftermarket grille available for the 2004 Frontier, for all pieces maybe about $75 plus shipping. But to me looks like it might affect air flow over the condenser and radiator, not something that one would want in Arizona heat.
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2004 Frontier King Cab (2WD, 5-speed, 4-cylinder, 98.5K), 1998 Frontier regular cab (2WD, 5-speed, 4-cylinder 225K), 1988 Mazda B2200 (2WD, 5-speed, 4-cylinder, 214K), 1971 VW Convertible (140K), 2005 Yukon (180K), 1970 VW (260+K)
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