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  1. Chevy Suburban Forum (GMC Yukon XL)
    Hey all, new to the forum here! I picked up a 2005 lt suburban a couple months ago and has had an engine tick since I got it. What I’ve noticed is what follows. • oil pressure at idle is around 28-32 psi warm or cold(verified with mechanical gauge) • oil pressure at 2100 rpm at 70mph is 38psi at...
  2. GM Electrical Tech
    Hi! I was able to replace the oil pressure sensor, but the connector was so brittle and I ended up with a broken connector. Now I bought a connector but the wire colors are black red and yellow while the original are black, tan and white. Please help which wires should be connected. Thank you!
  3. Chevy Suburban Forum (GMC Yukon XL)
    I've had my 2000 yukon XL (supercharged 6.0) for just over 5 months now and I've noticed I've got a lifter tick going on. The engine has 130k miles. The tick sometimes gets louder and sometimes gets softer at idle but its always there. I don't think it gets louder when I accelerate but I'm not...
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