AC compressor questions
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Logistics Pro
Joined: Apr 2011
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From: Earth
AC compressor questions
Ok as most know my AC went out last year around the mid summer time when it started cooling down more (so didn't have to worry about it) and then went that summer with out it figuring id save the money on my ever limited budget at the time (never was able to happen) so now I finally am working so I can start putting money aside, now I am going to have the AC professionally done (obviously for safety and the fact that I don't have all the equipment and disposal equipment needed) but I am going to see if the place I can take it to will let me supply my own parts.
now im looking at a Reman refurbished AC pump with clutch so what I want to know is that a good brand? I usually use the OE motorcraft parts when possible but still have limited budget and other more expensive projects are on there way so I want to save for those as those are of higher importance but the AC is not going to be with out this year (too dang hot for me). if its not what other brands/options should I be looking for??
now im looking at a Reman refurbished AC pump with clutch so what I want to know is that a good brand? I usually use the OE motorcraft parts when possible but still have limited budget and other more expensive projects are on there way so I want to save for those as those are of higher importance but the AC is not going to be with out this year (too dang hot for me). if its not what other brands/options should I be looking for??
Post Fiend
Joined: Nov 2005
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From: Charles Town, W bygod Va
I doubt anyone remembers what the problem with your ac is. Do you know that it is the compessor that is bad? 90% of the time low freon charge is the reason for compressor not coming on.
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Logistics Pro
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From: Earth
so im just wondering if a referb unit by reman would be a good unit to buy or if theres a better brand (if I can't go with OEM) that I can use, or even if theres a better to use brand then OEM...
Posting Guru
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RockAuto Parts Catalog they have some motorcraft parts theres a cheaper one (withoutclutch) and a more expensive one. i dont know what the budget it though
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Logistics Pro
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From: Earth
as fars I can tell I mainly need the clutch I think, but i will be taking it to a AC service place some time soon to have them check it and maybe bleed some pressure off to see if it works, if it does then im cool if not ill go from there, so im assumeing worst case senerio and saying I will most likely need clutch, flywheel, compressor, and possibly oreaface tube too...
I also do plan to go OEM if i can, but is there a better brand then the usual Motorcraft unit??
I also do plan to go OEM if i can, but is there a better brand then the usual Motorcraft unit??
Posting Guru
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i usually go to rock auto and the motorcraft was the most expensive. as far as the best i dont know for sure
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Postmaster
Joined: Aug 2005
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From: Cleveland, TN
true, with the AC I believe it was the clutch not working properly, I checked and I know the system was at the proper level (30PSI i believe, maybe a bit lower) now I do plan to have the AC system flushed and all that to have it returned to normal levels as I don't want to over charge it, but the clutch acts like its trying to engauge for a second then stops, and repeats, so thats why im think its either the compresser or more likely the clutch bit, and I could get a compressor plus the clutch/wheel for a good price, but its a referb unit by "reman" and I am not sure if thats a good brand or if there any others that would be better (personially I would rather stick to motorcraft/Ford OEM but I don't know if the OEM is the same brand (reman) or if its branded under Morotcraft (theres no tags on my current compressor).
so im just wondering if a referb unit by reman would be a good unit to buy or if theres a better brand (if I can't go with OEM) that I can use, or even if theres a better to use brand then OEM...
so im just wondering if a referb unit by reman would be a good unit to buy or if theres a better brand (if I can't go with OEM) that I can use, or even if theres a better to use brand then OEM...
Low freon causes this, the compressor starts to pump, pulls the pressure below the low cut off, compressor shuts off.. Pressure equalizes, pressure at low cut off switch comes up above the cut off point, compressor starts.... wash , rinse, repeat!! You can verify this by bypassinf the low cut off switch on the accumulator to see if the compressor wil stay running,,,, I'm betting it will... If so a system recharge is in order...
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Logistics Pro
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From: Earth
Ok coo hite, I was kinda wondering if I may need it flushed and recharged (as I was going to do anyways) but wasn't sure if this was a sign of a bad clutch or something like that, as for the bypass valve and accumilator im not 100% sure where either should be on the truck if you would tell me where to look or show a picture of what they look like I can go from there, thanks!
on a side note white, not sure if this matters or not, but my truck has the R134 set up for AC, not the old system (R22 I believe), which is still there also.
also I plan to buy a spare just to be safe so if its not a recharge that is in order (which I hope is all I need) ill be ready with the part its self!
on a side note white, not sure if this matters or not, but my truck has the R134 set up for AC, not the old system (R22 I believe), which is still there also.
also I plan to buy a spare just to be safe so if its not a recharge that is in order (which I hope is all I need) ill be ready with the part its self!
Postmaster
Joined: Aug 2005
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From: Cleveland, TN
The low pressure switch is on one of the freon lines at the heater/A/C box under the hood, sitting on top of a big black can looking thingie 
, it has an electrical plug with 2 wires in it.. Pull the plug and use a paper clip to jump the plug (temporarily) to test..
A/C Accunulator
Low pressure switch..
<table border="0" cellpadding="2"><tbody><tr></tr></tbody></table>
, it has an electrical plug with 2 wires in it.. Pull the plug and use a paper clip to jump the plug (temporarily) to test..A/C Accunulator
Low pressure switch..
<table border="0" cellpadding="2"><tbody><tr></tr></tbody></table>
Postmaster
Joined: Aug 2005
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From: Cleveland, TN
Most likely your problem is old hard o-rings that have let the freon leak out.. If you take it to a shop have them replace ALL O-rings while it is apart, if you don't another one will leak soon and you will be right back where you are now.. As far as a flush, it won't need one UNLESS something has come apart and made a mess inside..
BTW that old automotive freon was R12 not R22..
If you find it low on freon, replacing the O-rings, evacuating the system (vacuum) and recharge "should" get you up and running...
BTW that old automotive freon was R12 not R22..
If you find it low on freon, replacing the O-rings, evacuating the system (vacuum) and recharge "should" get you up and running...
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Logistics Pro
Joined: Apr 2011
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From: Earth
ok cool, White, I thought that was the AC condencer thing, thanks for confirming that for me, I know exactly where that is now I know what that odd black thing is, gonna see if I can get it hooked up to some diagnostic equipment and check the freon and pressure and see if either is too low or too high, and see if that gets things in the right direction, from there Ill go with replacing all Orings and work my way up to the more expencive things...
back to my original qurestions is a reman pump/compressor a good buy at $40 some change? or should I avoid referbs like the plague?
back to my original qurestions is a reman pump/compressor a good buy at $40 some change? or should I avoid referbs like the plague?
