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  #16  
Old 05-17-2006, 09:02 AM
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Join Date: May 2004
Location: Sunnyvale, Texas (DFW)
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James,
Could I ask exactly how you flushed your system, and what you used to do it. I am fixing to have to do mine, and I think the Hitman is also about to tackle this.
Thanks!

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  #17  
Old 05-17-2006, 09:43 AM
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Join Date: May 2000
Location: Greenville, NC
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recover refrigerant, break all the line fittings apart, pb blaster, flare nut wrenchs, flush with your choice of mineral spirits, brake cleaner or spurge on the flush gun with flush (auto zone). follow this by continuous shop air in both directions at all connections, use rags, baby bottles to catch stuff, covers seats it will be messy. repeat this process numerous times. the evaporator and condenser take the most time to flush beacuse of all the tubes and bends.

do not flush compressor, rec/dryer or expansion valves. if your new R4 compressor comes loaded with pag oil as mine did and you are going with R12 freon, on the work bench remove all caps and let drain (i let mine drain for days), then i filled with mineral oil and let drain, did this numerous times, again for days and let drain.

get new o rings for every thing, nylog, new exp valve, new rec/dryer, new switches, new compressor with seals. use a good quality mineral oil, not ester oil.

autozone has a good dvd by bruce bonebrake, commercial lisc autozones rent the mastercool 2cfm evacuation pump also for free!

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1993 Mercedes Benz 300D 2.5 205K (ex wife's)
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