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  1. d9103365

    converting to 134- how much pressure?

    Thanks for the advice. I should add that the car was changed over to 134a about 4 years ago. During that time it has blown a new compressor and sprung leaks after long periods of use. Each time it was checked for leaks when maintenanced. The compressor, drier, clutch, and evaporator valve were...
  2. d9103365

    converting to 134- how much pressure?

    I've converted two AC systems to 134, and it seems that leaks keep happening...I know our cars are old - and to some extent that's bound to happen...but in a couple cases I replaced most everything...I'm wondering if my mechanic is putting in too much pressure. I believe the pressure or amount...
  3. d9103365

    AC pulley squealing - bad compressor?

    The noise occurs even with the AC turned off. When I turn the AC on...the blower works and I can hear the "doors" moving in the dash...but I don't hear the AC clutch engage...but that's probably because its not suppose to engage if its out of freon. - - - Updated - - - Yeah, it happens...
  4. d9103365

    AC pulley squealing - bad compressor?

    I resurrected the AC in my 77 Cordoba with no problems...just replaced the evaporator valve, dryer, and one of the hoses. Converted it to 134 and it fired right up. Only cost me $80. I had the same experience with my 73 Satellite. $1300? No way. Just about everything my AC system needs is...
  5. d9103365

    AC pulley squealing - bad compressor?

    on my 75 fury the AC pulley is making a loud noise...its even louder on acceleration...sounds almost like a grinding. I'm wondering if this means just the pulley needs to be replaced or the entire compressor? I just got the car but was told the AC hasn't worked in a while.
  6. d9103365

    Replace thermostat?

    I have a 75 Sport fury 318 that's been sitting up for a few years and I'm bringing it back into action. I'm replacing the usual wires/hoses, etc. and am wondering if I should replace the thermostat? It does seem to warm up real fast when I crank it cold. It doesn't overheat (doesn't go past...
  7. d9103365

    Rust in Block..is this end?

    Noticed that my 77 Cordoba (400 4BBL) has had some dark coolant for a while....had the fluid changed, and the tech told me it was a little chunky with rust. New coolant still looks rusty. The car doesn't overheat..but it does seem to run a little warm on a hot day. 100 degrees outside and the...
  8. d9103365

    engine "shimmys" at idle with AC on

    I have a 77 cordoba 400/4BBL. Whenever I'm at idle and the AC is on, the engine seems to shimmy a bit as if its struggling. This goes away once i start moving. It also seems to heat up a bit during this time, and oil pressure goes down....all of this corrects itself once I get moving. I've...
  9. d9103365

    How much 134 refrigerant can it hold?

    original 77 shop manual says it should hold 2 5/8 lbs of refrigerant....but that's R12...not sure if it would be the same for 134.
  10. d9103365

    fan shroud

    will the same part number fit my 77 cordoba, 400 engine?
  11. d9103365

    fan shroud

    77 doba? will the same part number fit my 77 cordoba, 400 engine?
  12. d9103365

    How much 134 refrigerant can it hold?

    I have a 77 Cordoba. My system has been converted to 134. I'm not sure how much refrigerant to put in it. I've put in 2 1/2 pounds so far. It needs to run a little colder at idle but I'm scared to add more because the pressure on the high side is getting high.
  13. d9103365

    AC clutch issue? or electrical?

    When I turn my AC on, I can hear it "click"...but I noticed that lately it keeps clicking on and off. Is it supposed to do this? Could this be a problem with the AC clutch or could it be an electrical problem with my switch under the dash? BTW, its not cooling right now, but i think it...
  14. d9103365

    how do I tell if 134 converted?

    I just bought a 77 Cordoba. I think the AC may have been converted over to 134 but I'm not sure. How can I tell?
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