air conditioning

  1. I

    Adding Air Conditioning to 1989 6.2 diesel

    Apologies in advance if this has been discussed already, I've tried searching everywhere for a diagram or photo reference and have come up short. I recently bought a base model 1989 C2500 Cheyenne/Fleetside with a 6.2 diesel paired with a TH400 and pretty much no options. The powertrain is...
  2. T

    AC rebuild questions r12 or r134a retrofit

    Long time lurker, first time poster. I have a 1990 c1500 ext cab, 5.7&700r, when I got the truck there was tape on the hoses coming from where the compressor originally was and the compressor was bypassed with a free spinning pulley. I was told that th compressor gave out 5 years ago and he...
  3. hekg

    My 99 Tahoe's AC is cold up front but hot in the rear

    Hey all, I'm trying to figure out if I can fix my rear AC because it's extremely hot down here in South Florida and my two year old boy gets hit in the face with hot air when I attempt to cool him down in the back however my front AC vents blow nice and cold for me. Where should I start looking...
  4. S

    A/C compressor not engaging

    I have a 1997 Silverado that has a new compressor and accumulator that I just finished installing. The low and high side switches have no power going to them, jumping them does nothing. I can hear the relay clicking on, I even put a relay in without a cover and watched it (the relay) engage. I...
  5. cjmspartans

    Yet another air conditioning thread!

    With the temperatures hitting mid to upper 90s almost daily now, I threw in the towel and decided to start poking around with my 97 Suburbans (7.4L, no rear A/C) air conditioning system. It hasn't worked at all in the 4 years that I've owned it. To start, I tested the clutch on the compressor...
  6. DeputyPelican

    A/C Help...

    I'll preface this by stating I've got a 1997 Sierra with a fairly new (replaced approx. 2 years ago) a/c compressor, and I just checked the A/C refrigerant today and it was still within proper range. For the past three-to-four weeks my A/C has been blowing properly until I reach highway speeds...
  7. A

    1995 suburban rear ac

    I have a 1995 suburban, and recently I discovered it had rear ac. I was never able to get it to work so I figured whoever installed the new ac compressor that was on it when I bought it charged it wrong. Today I drained and recharged the refrigerant but nothing has changed. The front ac is...
    • Alexander Levi
    • Thread
    • ac compressor air conditioning rear ac rear air conditioning
    • Replies: 3
    • Forum: The Garage
  8. Johawk94

    Air Conditioning GHOST HUNT

    In need of help! I have replaced every A/C component on my truck from the evaporator to the condenser. High and low pressure hose High and low pressure switches (all 3) Compressor Accumulator O-tube Condenser Compressor relay A/C Switches inside car Evaporator All wires and connectors are in...
    • Johawk94
    • Thread
    • a/c compressor accumulator air air conditioning switches
    • Replies: 20
    • Forum: The Garage
  9. LoCascio_Inc

    Weak air flow on passenger side vents only?

    1998 2500 extended cab truck, now with a 1996 style 2500 dash and the accompanying upper HVAC ducting. Both dash styles have had really weak air flow on the two passenger HVAC vents near the glovebox. Driver side vents blow great hot or cold but passenger side is always kinda lame. Anyone else...
  10. RQ Jay

    R12 to R134 conversion wiring, what am I seeing?

    Can anyone tell me what I am seeing in this picture? This is a 1993 chevy 2500 with 5.7, and it looks like the previous owner did a AC conversion, but I am pretty sure they went a cheap route on this... I have looked online for any videos or written instructions on how the conversion is done...

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