| A/C Engine Compressor Replacement [message #285472] |
Thu, 20 August 2015 16:59  |
captjack
Messages: 271
Registered: February 2010
Location: Sebastopol, California
Karma:
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After talking to Nick at Applied GMC and a local RV shop, I concluded that replacing the original GMC compressor with the Sanden unit Jim sells was the best course of action. Everyone claimed that rebuilds are losers. Although I like to do my own work, I don't have the tools to do A/C work, so I used a local shop. (ALED in Petaluma, CA) I was impressed with their work and the care they took.
Anyway,
Here's what you need to know if you're taking this on yourself.
In addition to Jim K's kit comprising the Sanden Compressor, adapter brackets, and two hoses, you'll need
1. To paint the brackets
2. An adapter for the high side fitting to convert to R134A P/N 409902
3. A new A/C belt as the old one is too large. The belt listed in the Vintage Air bracket kit is incorrect. One that fits is NAPA 257585
You'll have to clean and pull a vacuum on the A/C system, install oil, dye, and refrigerant, all of which I didn't feel comfortable doing myself. Because of the slightly different location of the new compressor, the heater hoses interferred and required repositioning and/or replacing.
Jack Christensen - K6ROW,
'76 Glenbrook/Clasco - "The Silver Bullet",
Sebastopol, CA
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