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    New AC compressor making noise

    Did you see the post I added to the video? It went to page two. Here is another video where they show it with the AC on and with it off This one starts at 13 seconds, very distinctive high frequency pulsating noise that sounds like a gear box with one gear. It gets quieter when the RPMs drop...
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    New AC compressor making noise

    The guy in video turns the AC on at 14 seconds so that's when the noise starts. After looking more into it I found Mini had a TSB on the issue and the fix was putting a weighted damper on the suction line behind the compressor. That is something I shouldn't have to do since GM did not have this...
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    New AC compressor making noise

    The part number for the accumulator is Everco 4539N and/or 33219. I asked twice to make sure it was for systems with rear AC and he said yes, but who knows. I will try and get a recording of it if that IS the right accumulator. Edit: I found the sound already posted on youtube, it is from a...
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    New AC compressor making noise

    The performance test checks out, I have 42 on the low side and 200 on the high side and 39 degrees at the vent. Do you think the noise could have something to do with the accumulator? I asked for all the parts that go with a Yukon with rear AC but the accum. was a little shorter and more...
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    New AC compressor making noise

    Yes the low side coming to the compressor has a muffler and the high side leaving the compressor also has one.
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    New AC compressor making noise

    No because the noise quits every time the compressor stops, even with the blower still on. The noise also changes pitch with the engine RPMs.
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    New AC compressor making noise

    I rebuilt my AC system with a new compressor, new main line, new condenser, new O/T and new accumulator. I flushed the evaporator and left the rear ac alone. After I put it all together I vacuum tested the system and let it sit with a vacuum for an hour and it held. I put the recommended oil and...
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    Four wheel drive issues.

    I would say that's normal, especially at idle. You probably wont be able to stop both at the same time when at a higher rpm. Best way to tell is take it off road, even if it's just a level gravel road, and see how it does.
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    Is the AC low side port removable?

    The schrader valve in the low side port is broken in a way where I can't get the valve out. I went to the store and picked up a low side service port and figured I would get the high side to while I was there. I replaced the high side port no problem but the low side doesn't seem to unscrew...
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    Wheel hub/bearing Mounting bolts 99 yukon 4wd

    #29 on what list?
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    Wheel hub/bearing Mounting bolts 99 yukon 4wd

    I need some hub mounting bolts for a 99 4x4 yukon. I got the dimensions for the bolts I need and I went to the hardware store, the guy showed me a bolt that size but the bolt he showed me was a 22mm socket size and I think I need a 14 or 15 mm with a flange. He also asked what thread length I...
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    99hoe sounds like a dead batt.but its fully charged

    Like Big Roller it's not just the volts at the battery, it needs good cold cranking amps. You can check the battery while it's under load yourself if you have a multimeter. If the wires are long enough place it so that you can see the display from inside your truck, if you can't you can get...
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    4x4 parts missing?

    Nice find for $500, I would have bought it myself as a parts vehicle and saved hundreds on parts I need for my truck. Did you get the 4wd working? if you get the drive shaft in and it still doesn't work, check/replace the "Transfer Case Control Module" which is under the dash, you can get one...
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    just quit

    My truck also died while going down the highway a couple years ago. I had to pull off the road with no power steering or brakes. After I pulled over I tried to start it and it started right up like nothing was wrong, however when I got back on the road it died again when I got up to 10 mph. I...
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    99hoe sounds like a dead batt.but its fully charged

    Are the post corroded? I would disconnect the battery and clean the post with a wire brush, also clean the cable ends. Check the water level in the battery if it's not a maintenance free battery. Whenever I have a starting/clicking problem that is solved by jumping the vehicle, I just replace...
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    Radiator and water pump replacement on a 99 Yukon, 3 questions

    TxDrewski and ccapehartusarmyINF.(ret) Yep, everything is being replaced, radiator, water pump, thermostat, coolant reservoir and hoses. I'm just running the cleaner through it to make sure the engine block channels are clean. The cooling system actually works fine but a long crack in the side...
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    Radiator and water pump replacement on a 99 Yukon, 3 questions

    Thanks for the tips guys `On the bottle I bought it said for heavy duty cleaning run it for 3 to 6 hours. I would agree with you that that would be overkill for a normal system but if you seen the inside of my radiator you would agree it needs it. I ran stop leak in there for the last 3 years...
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    Radiator and water pump replacement on a 99 Yukon, 3 questions

    Hello tahoeyukonforum people, this is my first post! 1st question; For the next few days I'm going to drive around with chemical flush in the engine. I have to put on the heater to make sure the heating core gets cleaned and I've seen other people do this but they turn the heating blower...

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