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#1
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How to tell if your AC compressor is bad?
I've got a mechanic telling me my AC compresser and evaperator/dryer are bad and need to be replaced. I bought the car off Ebay and the AC worked for about 300 miles.
I've purchased a 'parts car' of the same year and modle and I was going to take the compressor and dryer off of it. The engine on the parts car doesn't run and when it did, the former owner said he wasn't getting any cold air off of it. So, without knowing how to tell if the AC compressor is working, I don't know if it's worth the time and effort to take the part off the 'parts car' other than hoping it works and saving about $400 in AC parts. (It's about another $300 to $400 for labor and freon.) |
#2
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What flavor of car are your writing about?
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BENZ THERE DONE THAThttp://www.peachparts.com/shopforum/...c/progress.gif 15 VW Passat TDI 00 E420 98 E300 DT 97 E420 Donor Car - NEED PARTS? PM ME! 97 S500 97 E300D 86 Holden Jackaroo Turbo D 86 300SDL (o\|/o) |
#3
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A compressor can still operate even with leaking seals. Make the mechanic tell you what is wrong. It is standard practice to replace the dryer along with the compressor. In a perfect world, the dryer should be replaced any time the A/C system is opened.
Do not use a used dryer. They are usually $50 or less. Cheap insurance. A plugged dryer will cause the system to not function, or worse.
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RRGrassi 70's Southern Pacific #5608 Fairmont A-4 MOW car 13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete. 91 W124 300D Turbo replaced, Pressure W/G actuator installed. 210K 90 Dodge D250 5.9 Cummins/5 speed. 400K |
#5
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not a foolproof test but....
put your hands on the compressor and turn the metal center part, usually with three angle parts forming a triangle.
if it is free, at least you know the compressor is not siezed up. John |
#6
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Quote:
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BENZ THERE DONE THAThttp://www.peachparts.com/shopforum/...c/progress.gif 15 VW Passat TDI 00 E420 98 E300 DT 97 E420 Donor Car - NEED PARTS? PM ME! 97 S500 97 E300D 86 Holden Jackaroo Turbo D 86 300SDL (o\|/o) Last edited by TX76513; 08-23-2006 at 10:45 AM. |
#7
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Quote:
I'll drop ya a PM too, my '85s will be gettin' fixed this weekend hopefully.
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I'm not a doctor, but I'll have a look. '85 300SD 245k '87 300SDL 251k '90 300SEL 326k Six others from BMW, GM, and Ford. Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG] |
#8
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Quote:
Saving money on A/C repairs usually turns out to be an expensive proposition. |
#9
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Napa Auto has the R4 version which I think is whats on that car for 130 bucks. Its a reman but for the price you get a warranty. A cheap option but way better than junk yard ac parts.
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#10
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Do you know the p/n and would that fit my 75 240D?
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#11
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I dont have a clue whats on the 1975 but Its prolly the older Sanden one. That one looks like a bilge pump sitting on the pass ide of the engine. The R4 look slike a doughnut.
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#12
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not that mine works (spins freely, but i think it doesnt work) my 76 300d has a york compressor
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__________________________ 76 300D 108,110 miles 99 Saturn sl1 80,000 miles - moms 91 Grand Marquis 45,000 miles - Grandparents 97 Ford F150 - 16,000 miles - Grandparents 73 Ford Monarch (parked 65,000 miles - Grandparents |
#13
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Unless it's been retrofitted, a '75 240D will be equipped with a York recriprocating compressor. A retrofitted car would have a rotary Sanden.
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Never a dull moment at Berry Hill Farm. |
#14
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Quote:
Thanks, Padraig
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1984 300SD TURBO DIESEL |
#15
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Sent
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BENZ THERE DONE THAThttp://www.peachparts.com/shopforum/...c/progress.gif 15 VW Passat TDI 00 E420 98 E300 DT 97 E420 Donor Car - NEED PARTS? PM ME! 97 S500 97 E300D 86 Holden Jackaroo Turbo D 86 300SDL (o\|/o) |
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