BLACK DEATH Question
The Southernmost Mod
Joined: Dec 2004
Posts: 6,902
Likes: 20
From: Caracas, Venezuela
Usually "black death" comes from a failed/failing compressor, and your system looks quite contaminated. You need to replace basically everything except the evaporator core and hoses, which can be cleaned (the condenser core passages are too small, apparently). That's what I've found from my research. Compressor replacement brands won't back their warranty if you don't show them invoices for the purchase and replacement of the parts I mentioned (or didn't), Condenser, orifice tube, dryer/filter. If you're using R134 then you need HNBR O-rings (the green ones), they're way better anyway, so I just use them everywhere.
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Lead Driver
Joined: Oct 2016
Posts: 6,185
Likes: 633
From: Houston/Sugar Land
Usually "black death" comes from a failed/failing compressor, and your system looks quite contaminated. You need to replace basically everything except the evaporator core and hoses, which can be cleaned (the condenser core passages are too small, apparently). That's what I've found from my research. Compressor replacement brands won't back their warranty if you don't show them invoices for the purchase and replacement of the parts I mentioned (or didn't), Condenser, orifice tube, dryer/filter. If you're using R134 then you need HNBR O-rings (the green ones), they're way better anyway, so I just use them everywhere.
Thread Starter
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Lead Driver
Joined: Oct 2016
Posts: 6,185
Likes: 633
From: Houston/Sugar Land
Yes sir that is going to be bad A$$. Really nice. Ready to see how it turns out and what you do with the interior. What is that in the garage? Looks familiar 
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Tuned
Joined: Jan 2021
Posts: 377
Likes: 81
That last one is not mine, just an example of what I am hoping for. Interior very will may just some super cool dark wood tone trim panels and a double din upgrade. We will just have to wait and seel
i ain't rite
Joined: Mar 2005
Posts: 65,481
Likes: 5,542
From: Marlboro Mental Hospital.
sandy, next time you have the system open do a complete flush with AC flush solution.
that is the only way to get all the crud out of the hoses and evaporator.
then when you put the new orifice tube in it will stay clean.
that is the only way to get all the crud out of the hoses and evaporator.
then when you put the new orifice tube in it will stay clean.
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Lead Driver
Joined: Oct 2016
Posts: 6,185
Likes: 633
From: Houston/Sugar Land
WI'll definitely do that. Does complete include the compressor? Or do you mean remove hoses and components to flush? I have never done this process and of course want to do it correctly.. Thank you for the reply. I appreciate it. Sandy
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Lead Driver
Joined: Oct 2016
Posts: 6,185
Likes: 633
From: Houston/Sugar Land
Just got back from a 30 mile drive. Hooked up the gauges and low side was 25 and the high side was 200. Temp is 84 and humidity is 51%. Guess I will continue on and see how it goes for a while before I do anything. I think the numbers are about perfect any one think different? Sandy
i ain't rite
Joined: Mar 2005
Posts: 65,481
Likes: 5,542
From: Marlboro Mental Hospital.
at 84 outside degrees, i would want to see 45-55 low side and 225-250 high side. but if it is cold enough for you now, leave it.
as for flushing the compressor, i usually replace compressor.
but you can flush it. remove belt and gently spin the shaft by hand to circulate the flush through the compressor to get as much crud out as you can. when the discharge flows clear you are good. same with hoses, evaporator, and condenser. when the flush comes out clean you are golden. it should take about a gallon of flush to clean a system.
then blow all lines, condenser, and evaporator out with air. refill the compressor with oil while spinning the shaft.
pull a deep vacuum for 1/3 hour or so, and recharge.
as for flushing the compressor, i usually replace compressor.
but you can flush it. remove belt and gently spin the shaft by hand to circulate the flush through the compressor to get as much crud out as you can. when the discharge flows clear you are good. same with hoses, evaporator, and condenser. when the flush comes out clean you are golden. it should take about a gallon of flush to clean a system.
then blow all lines, condenser, and evaporator out with air. refill the compressor with oil while spinning the shaft.
pull a deep vacuum for 1/3 hour or so, and recharge.
Thread Starter
|
Lead Driver
Joined: Oct 2016
Posts: 6,185
Likes: 633
From: Houston/Sugar Land
at 84 outside degrees, i would want to see 45-55 low side and 225-250 high side. but if it is cold enough for you now, leave it.
as for flushing the compressor, i usually replace compressor.
but you can flush it. remove belt and gently spin the shaft by hand to circulate the flush through the compressor to get as much crud out as you can. when the discharge flows clear you are good. same with hoses, evaporator, and condenser. when the flush comes out clean you are golden. it should take about a gallon of flush to clean a system.
then blow all lines, condenser, and evaporator out with air. refill the compressor with oil while spinning the shaft.
pull a deep vacuum for 1/3 hour or so, and recharge.
as for flushing the compressor, i usually replace compressor.
but you can flush it. remove belt and gently spin the shaft by hand to circulate the flush through the compressor to get as much crud out as you can. when the discharge flows clear you are good. same with hoses, evaporator, and condenser. when the flush comes out clean you are golden. it should take about a gallon of flush to clean a system.
then blow all lines, condenser, and evaporator out with air. refill the compressor with oil while spinning the shaft.
pull a deep vacuum for 1/3 hour or so, and recharge.