Recent content by KerryBoehm

  1. K

    A/C Question

    Sorry if I missed it but have you actually measured the high and low side AC pressures? I'm not talking with the gauge on the AC Pro can but an actual AC gauge set? That's where you want to go first. Especially the age of the vehicle. 20 years old my first suspicion would be a leak. Actually, my...
  2. K

    Misfires on one bank

    I had issues like yours and eventually every cylinder on bank 2 stopped firing completely! Although each cylinder has its own coil the entire bank of coils shares a common ground. Basically the ground connected to the block and the eyelet was seriously corroded. I've heard it happening to others...
  3. K

    Safe jobs from A-I

    No, it went back to the collective lol.
  4. K

    misfiring on driver side cylinders

    On my 07 there is a common ground for the coils on each side. Mine corroded bad and lost all spark on the passenger bank. Really have to hunt for it but it's a round eyelet on the side of the block.
  5. K

    Rattling Sound From Rear and Highway Vibration

    I ended up ordering the Dorman Driveshaft. Due to arrive Thurs. I was a bit leery attempting heating/beating the old ones out and then have a disabled vehicle occupying the driveway. I was going to pull a whole drive shaft from the U Pull It nearby but they only had one vehicle compatible and...
  6. K

    Rattling Sound From Rear and Highway Vibration

    Ahhh, thank you. I'm showing my age :). It's been a very long time since I replaced a U Joint. Probably late 80's / early 90's on a vehicle from the 70's
  7. K

    Rattling Sound From Rear and Highway Vibration

    What do you mean by melted out?
  8. K

    Rattling Sound From Rear and Highway Vibration

    Thanks! I did some searches before I posted and read through that thread. I've been trying to source compatible vehicles for drive shaft. I have a 2007 4WD with the 4L60E. Not finished researching but that seems to limit my choices to just 2 years. I frequent junk yards and would like to find a...
  9. K

    Rattling Sound From Rear and Highway Vibration

    Thanks all. I took it for a 30 mile drive yesterday. Going from Park to Drive, Park to Rev I heard a crack, feel a thud. I'm really thinking U joints too. Will get under it in the next couple days and check it out. Probably been 30 years since I changed one.
  10. K

    Rattling Sound From Rear and Highway Vibration

    I can rule out loose lugs. I rotated tires and they were all tight. My Kobalt impact struggled a bit getting them off in the below freezing temps. Taking it out today I'm sure the vibration will still be there. Next I'll jack up the rear wheels and see if I can replicate the noise I'm hearing...
  11. K

    Rattling Sound From Rear and Highway Vibration

    This is on a 2007 GMC Yukon XLT 1500 4WD with about 130K miles. Noticed this last weekend while on a longish highway trip last weekend. At 75 mph there is an annoying vibration seemingly coming from the rear of the vehicle. At 80 it mostly goes away. This weekend I rotated the tires to see if...
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