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Loud Rattle when A/C turned on 1992 3.4 DOHC Z-34

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  • Question : Loud Rattle when A/C turned on 1992 3.4 DOHC Z-34

    Today I started hearing a loud rattle from under the hood. I turned off the A/C and it went away. The car seems to be running fine. However, every time I turn on the A/C I hear the loud rattle and air coming out is not cold.

    It is very hot outside and I am not sure what to do because I am supposed to take a long trip for work tomorrow. Has anyone else run into this problem? If so, what is going on and how do I fix it as inexpensively as possible.

    Thanks,

    Tom

  • #2
    Sounds like maybe the bearings in the compressor are bad. Hard to tell without hearing it.
    -Matt

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    • #3
      It was the compressor. The compressor was replaced and AC seems to work fine. However, whenever I depress the clutch at a stoplight or stop sign...or to take a curve, the car stalls out and dies. Does anyone know what is going on?

      Thanks,

      Tom

      Comment


      • #4
        sounds like a shorted wire.. look under the car and make sure when you got the compressor replaced the crank sensor wire didnt get pinched or something...

        that is where i would start, hope that helps
        Shane "RedZMonte"
        2004 Corvette Z06 Commemorative Edition -VIRGIN
        1995 Monte Carlo Z34 14.38@101mph, 331hp/355tq
        -Turbonetics T04E Super 60 Turbo, 2.5" Borla Catback, OBDII, 42.5# Injectors
        2004 Subaru WRX STI -Lightly Modded (SOLD)
        1994 Lumina Z34 -VIRGIN (SOLD)
        1992 Lumina Z34-VIRGIN (RIP)
        1992 L67 Lumina Z34 (SOLD)
        1990 Turbo Grand Prix (SOLD)

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        • #5
          Originally posted by NCChevyMan View Post
          It was the compressor. The compressor was replaced and AC seems to work fine. However, whenever I depress the clutch at a stoplight or stop sign...or to take a curve, the car stalls out and dies. Does anyone know what is going on?

          Thanks,

          Tom
          Does it only stall when the clutch is pushed in? Even while sitting still at idle, but fine otherwise?
          -60v6's 2nd Jon M.
          91 Black Lumina Z34-5 speed
          92 Black Lumina Z34 5 speed (getting there, slowly... follow the progress here)
          94 Red Ford Ranger 2WD-5 speed
          Originally posted by Jay Leno
          Tires are cheap clutches...

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